Sus preguntas sobre el viento y energía solar

17 de mayo 2012 por
Filed under Eólica y Solar Q & A

Tomás pregunta ...

¿Usted apoya la energía nuclear? ¿Por qué o por qué no?

Yo personalmente su apoyo.
Debido a que:
Aquí en Australia, tenemos una gran cantidad de uranio por lo que también puede ganar dinero exportando a otros países.
No genera dióxido de carbono tanto como, por ejemplo, el carbón que es también una fuente no renovable.
Usted puede producir una gran cantidad de electricidad en una sola planta.

Pero no estoy ignorando el hecho de que la energía nuclear es, como todo lo demás, no son perfectos.
El almacenamiento de los residuos es un problema, y también lo es el hecho de que es una operación arriesgada.

Pero si nos fijamos el problema de la basura a un lado por un momento, la cosa riesgosa operación no es realmente de una gran cantidad.
Quiero decir que si nos fijamos en la vida cotidiana, hay una mayor posibilidad de personas que mueren en accidentes automovilísticos (algo que se hace casi todos los días es el paseo en un coche) que de ser matado por la crisis / accidentes de una central nuclear.

A pesar de que el uranio no es renovable y que sólo estará disponible para un máximo de 100 años, sigo pensando que es una mejor opción en comparación con el carbón, etc, porque lo que realmente hace una diferencia a la emisión de dióxido de carbono.

Comparta sus opiniones por favor y dar las razones. :)
@ Poco
Entiendo que usted está viniendo, pero en comparación con el carbón, ¿cuál elegiría?
Yo mismo preferiría si usamos la energía eólica o la solar, ya que son libres de riesgo, las fuentes renovables, pero en estos momentos estamos confiando en el carbón en su mayoría.

Se está produciendo una gran cantidad de dióxido de carbono que contribuye al calentamiento global.

Las respuestas de expertos:

Estoy de acuerdo contigo, por las mismas razones.

Laura le pregunta ...

¿Son las células de combustible de una economía falsa?

Todo el mundo parece estar muy estimulada por la revolución del hidrógeno se supone que está a la vuelta de la esquina. Coches de pilas de combustible alimentadas, se nos promete, será del 100% con agua sólo como un producto de desecho. Se nos dice que las pilas de combustible se va a poder todo, desde automóviles hasta computadoras portátiles.

¿Alguien más ve problemas con esta propuesta? En primer lugar, el hidrógeno es un gas muy volátil, por lo que llenar los coches, etc con él será mucho más peligroso que llenar con gasolina. Además, si un coche lleno de accidentes de gas de hidrógeno y se rompió el tanque de almacenamiento, todo esto va a explotar a la primera señal de una chispa.

En segundo lugar de hidrógeno, no se produce en grandes quanities natural, por lo que tenemos que producir. Esto requiere de energía y, seguramente, esta energía es sólo va a provenir de la quema de más combustibles fósiles en centrales eléctricas. Y si no lo hace, si hemos creado una infraestructura de energía renovable, ¿por qué siquiera necesita de hidrógeno? todo (incluyendo vehículos, etc) solo puede ser conectado a una toma de corriente ...

Las respuestas de expertos:

La eficiencia de combustible de célula a motor de conversión de energía es sin duda mucho mayor que la de motores de combustión interna o motores de vapor. El coste del sistema de célula de combustible es también innegablemente mucho mayor que la de IC o máquinas de vapor.

Desde Ingeniero Visión:
"Muchas empresas de automóviles en marcha de combustible los vehículos de celdas de prueba para mostrar a la última célula de combustible avanzada tecnología. Un buen ejemplo es el de Daimler Chrysler NECAR. La última es NECAR NECAR 5. El 4 de junio de 2002, NECAR 5 completado un recorrido histórico de 16 días desde San Francisco a Washington, DC Fue el primer intento de conducir un vehículo de pila de combustible en los EE.UU. ".

Desde Nueva York, Nueva York a San Francisco, California, es de alrededor de 2930 millas. A una velocidad media de 50 kilómetros por hora y día de conducción promedio de 10 horas. (500 millas / DA), este Thip debe tener 6 días para conducir con relativa comodidad.
El coche de pila de combustible promedio de 184 km / da, por lo que un tiempo considerable que se han gastado en la promoción, o el coche fue muy lenta, dadas las condiciones reales de conducción. Se puede lograr este promedio con un Modelo T.

La producción de hidrógeno como combustible a gran escala es muy costoso e ineficiente uso de las tecnologías actuales. La propuesta más popular es la reducción de los combustibles de hidrocarburos, que sigue los mismos problemas de contaminación que tenemos hoy, aunque sea más fácil de tratar. Los óxidos de carbono, nitrógeno, azufre y otros contaminantes tienen que ser borrado a cabo y desechado de forma segura. Para ser eficaz, el hidrógeno debe ser comprimido y almacenado en cilindros de alta presión, luego se distribuye a "gasolineras". Esa tecnología existe, y necesita ser gastado solamente. El peligro que representan los cilindros de gas H2 no es mayor que la planteada por los actuales GLP (propano o butano) o gas natural licuado (metano), los tanques, y en realidad es mucho menor que la proporcionada por un depósito de gasolina medio lleno.

Con el tiempo vamos a recurrir a electrolosys de agua para producir hidrógeno. Nuestras opciones de fuentes de energía será nuclear, solar, eólica, geotérmica y las mareas. De éstos, sólo nuclear tiene alguna esperanza de proporcionar la energía necesaria sin la destrucción irreparable a nuestros ecosistemas. Con suerte, cuando llegamos a este paso vamos a dominar las reacciones controladas de fusión.

Vehículos totalmente eléctricos son inaceptables, ya que están limitados en alcance, velocidad y resistencia. Los híbridos se están produciendo, y vehículos de prueba han recibido una amplia aceptación (un sujeto de la prueba se negó a renunciar a su vehículo después de la prueba.).

Lisa le pregunta ...

Diez puntos!!!?

Diseñado por Peter Poulet y Michael Harvey, la Casa de hormigón celebra el hormigón como un material fuerte. Por
usando componentes fácilmente disponibles y transportable esta casa es asequible, rápida de construir, y no se basa en
trabajadores muy especializados. El hormigón es un material durable que requiere muy poco mantenimiento.
Vivir en esta casa sería un compromiso de vivir de manera sostenible, uso de energías renovables, la recolección de agua de lluvia
y minimizar los residuos. Almacenamiento de agua de lluvia está integrado en el diseño usando las columnas de hormigón prefabricado
- Casi cualquier volumen de agua que pueden ser almacenados usando este sencillo método. Un sistema solar de agua caliente se puede instalar
en el techo. Natural de la masa térmica del hormigón se utiliza para mantener la casa fresca en verano y cálida en invierno.

Buscar en el texto.
a) El frente de frío:
b) Un sinónimo para la construcción de:
c) Un modal verbo:
d) Un verbo auxiliar (negativo):

Las respuestas de expertos:

Una caliente
b constructo
c haría
d no

Daniel le pregunta ...

¿Qué nos pasa a los cientos de miles de millones de dólares antes de la guerra.?

De alguna manera la asumida por muchas personas que el fin de la guerra mejorarán nuestras vidas de alguna manera.
¿Sabía que gastamos 20 mil millones de dólares para la cura del cáncer o invertir en la producción de energía renovable, o incluso dar un buen cuidado de crianza de los niños para asegurarse que ninguno de ellos se abusa.

No lo creo.

¿Qué es lo que gastamos el dinero.

Puentes a ninguna parte, las oficinas de correos, cambio de nombre de los aeropuertos privados, casas rodantes de FEMA que se sientan vacíos pudriéndose y alquiler de espacio de almacenamiento para almacenar los bienes donados para los esfuerzos de ayuda que deberían haber sido dispersadas a las víctimas del huracán.

Hemos gastado millones en estudios para determinar la mejor manera de reconstruir la devastada costa del Golfo y, sin embargo hasta la fecha sólo unos pocos miles de viviendas han sido reconstruidas.

Para que la gente piensa que el gobierno hubiera gastado ese dinero en algo que no sea sí mismo y las necesidades de los ricos es una tontería.

Creo que la guerra da trabajo a muchos de los que no tienen ninguna.

La vida es peligrosa y más personas mueren en accidentes de tráfico a continuación, en la guerra.

Las respuestas de expertos:

He aquí las estadísticas reales del Departamento del Tesoro, la Oficina de la Deuda Pública. Parece que la gente realmente no sabe lo que son, o incluso tener una pista.

(Año / Deuda Total Nacional / Intereses Pagados)
2000 / 5,7 billones de dólares / $ 362 mil millones
2001 / $ 5.8 billones / $ 359,5 mil millones
2002 / 6,2 billones de dólares / $ 333 mil millones
2003 / $ 6.8 billones / $ 318 mil millones
2004 / $ 7,4 billones / $ 321,6 mil millones
2005 / 7,9 billones de dólares / $ 352 mil millones
2006 / 8,5 billones de dólares / $ 410 mil millones
2007 / $ 9.0 billones / $ 430 mil millones

Esto es interesante, el déficit del presupuesto como porcentaje del PIB. Desde la Organización de Cooperación y Desarrollo Económicos. Hay países mucho más que podría haber puesto aquí, pero yo sólo quería mostrar unos pocos.

(Country/1990/1995/2000/2006)
USA/-4.2/-3.1/1.6/-2.3
Austria/-2.5/-5.7/-1.6/-1.2
Norway/2.2/3.2/15.4/19.3
Unidos Kingdom/-1.8/-5.8/4.0/-2.9

-Acaba de agregar para el hombre debajo de mí-

Note que dije "por debajo" de mí. Tal vez debería haber dicho por debajo de ... de todos modos. He hecho 2 tours en Irak y uno en Kosovo, Macedonia y Bosnia. No pretendo hablar conmigo acerca de los militares. Si alguien tiene un familiar o amigo que ha muerto en la guerra, no hay que hacer un flaco favor al decir estas cosas. Tenga un poco de respeto. Sólo porque eres demasiado de un pensamiento a firmar y luchar por ti mismo. ¿Eres tan ingenuo que no sabe que los soldados se inscribió para la guerra? Te lo explicaré a usted, eso es lo que hacen los soldados, se pelean las guerras. Espero que al menos esa parte tiene sentido. Nos ha liberado 24 millones de personas inocentes. Hemos ganado la guerra en Irak. Los medios de comunicación simplemente no quieren a las masas ignorantes, como usted, para saber de él hasta después de haber votado por Obama. No seas tan ingenuo.

En cuanto a la deficitaria del presupuesto y la deuda se va, que está dictada por la economía. La economía hace lo que le plazca y no le importa quién es el presidente.

Susan le pregunta ...

Seleccione los dos puntos que siguen que no son ciertas sobre la energía nuclear y las centrales eléctricas?

A) las plantas de energía nuclear se desarrolló por primera vez comercialmente que en los años 1950
B) es subsidiada por el gobierno, porque es muy caro en comparación con los combustibles fósiles
C) se considera una fuente de energía renovable
D) los resultados de energía nuclear de una división de la reacción en cadena controlada por núcleos separados llama fisión atómica
E) 20% de la electricidad de los EE.UU. es de la energía nuclear
F) libera menos emisiones de gases de efecto invernadero que los combustibles fósiles
G) por lo general tiene menos riesgos de salud y seguridad para los trabajadores de la planta que en las plantas de carbón
H) Pennsylvania no tiene ningún alto nivel sitios de almacenamiento de residuos radiactivos de generación de energía nuclear

Las respuestas de expertos:

B y C

Ruth le pregunta ...

que sea sencillo para mí?

La energía hidroeléctrica se produce en centrales hidroeléctricas. Energía Hidroeléctrica de energía hidráulica significa también conocido como la fuerza o la energía del agua en movimiento. Se trata de una fuente de energía renovable no produce residuos y dióxido de carbono que ayuda a gases de efecto invernadero (gases presentes en la atmósfera que reducen la pérdida de calor). La energía hidroeléctrica proviene de la energía potencial del agua embalsada de conducir una turbina de agua (motor que toma la energía del agua en movimiento) y el generador (un dispositivo que convierte la energía mecánica en energía eléctrica). La energía extraída del agua depende del volumen y la diferencia de altura entre la fuente y la salida del agua. Esta diferencia de altura se llama la cabeza. Energía hidroeléctrica por bombeo produce electricidad para abastecer la demanda pico de alta por el movimiento del agua entre los depósitos (un lugar o recipiente hueco donde se guarda algo (generalmente líquido) en la reserva, para su uso posterior) a diferentes alturas. En los momentos de demanda eléctrica baja, el exceso de capacidad de generación se utiliza para bombear agua en el depósito superior. Cuando hay una mayor demanda, el agua se devuelve al depósito inferior a través de una turbina.

Las respuestas de expertos:

Hay una planta de energía hidroeléctrica en el norte de Gales, Reino Unido, que hace más o menos lo que su escritura-up dice.
Hay 3 grandes turbinas de agua que toman el agua de una presa de 600 pies por encima de la planta para hacer funcionar sus generadores respectivos.
A la salida de las turbinas, el agua fluye a otro lago justo debajo de la planta.
Durante el día (06 a.m. a 20:00), los generadores están produciendo energía al Sistema Interconectado Nacional en el costo máximo a los consumidores.
Durante la noche, cuando los costos de electricicty son mucho menos, los generadores se convierten en los motores y la marcha atrás en su rotación. Las turbinas están alineados en serie. El sistema se pone en marcha las turbinas de las bombas y convertirse, el agua del lago menor se bombea de nuevo hacia el lago más alto durante la noche.

Entonces, ¿qué, si se cortar y pegar el texto que usted tiene.
He visitado la instalación anterior (soy un Brit), y es nada menos que un lugar increíble para visitar.
La planta de turbinas de generación con todas las instalaciones están construidas en una montaña ... Un poco de James Bond-ish ", pero, es un hecho ... una fantástica puesta a punto.

Linda pregunta ...

hacerle un comentario acerca HECHOS DE RECICLAJE Y BENEFICIOS?

Hoy todo el mundo ha oído hablar de lo importante que es reciclar y la mayoría de las ciudades ofrecen un programa de reciclaje, pero ¿qué es el reciclaje y lo beneficioso que es realmente para nosotros y el medio ambiente?

¿Cuáles son los hechos de reciclaje y los beneficios?
El reciclaje es el proceso de convertir un producto piezas útiles en un nuevo producto, esto se hace para ahorrar en el consumo de recursos, la energía y el espacio utilizado en los vertederos.
Al reciclar 1 botella de plástico no sólo ahorra entre 100 y 1000 años en el vertedero sino que también ahorra el medio ambiente de las emisiones en la producción de nuevas botellas, así como el aceite usado para producir la botella.
Por cada tonelada uno de plástico que se recicla se ahorra el equivalente del consumo de energía de 2 personas por 1 año, la cantidad de agua utilizada por una persona en tiempo de 2 meses y casi 2000 libras de aceite.
Aproximadamente el 60% de nuestra basura tirado hoy podrían ser reciclados. Se realizó una encuesta y 9 de cada 10 personas encuestadas dijeron que reciclar más, si era más fácil.

Por extraño que parece que hay mucha gente que no se dan cuenta de que las botellas de plástico el agua entra en está hecho de petróleo. Este es el mismo aceite que se utiliza para producir gasolina. Es el mismo aceite que se encuentra en gran demanda y no es un recurso ilimitado.
Hoy en día los productos más comunes en las ciudades de los programas de reciclaje son los productos de papel, cartón, plástico, vidrio y aluminio.

Tomando sólo un momento para poner en su periódico, una lata de soda y frasco de vidrio espaguetis en la papelera de reciclaje se ahorra todo el mundo en el año el daño ambiental de la producción de nuevos materiales, sobre los vertederos llenos de gente y el agotamiento de nuestros recursos naturales.
4000 años

Cuando no reciclar al menos el nuestro vidrio o aluminio que cuesta la tierra en el uso de energía de uso, el agua y el aceite y la utilización de rellenos sanitarios, vidrio tarda hasta 4000 años en descomponerse en un vertedero sin embargo, se puede reciclar indefinidamente.

Ganar Dinero
El reciclaje puede ser hecho en casa, así como en relación con los programas de la ciudad. Muchas yardas de la chatarra pagar por chatarra incluyendo las latas de refresco y latas de sopa que usamos todos los días.

Sea creativo
Muchos artículos útiles se pueden hacer de la basura todos los días, los tubos de cartón sobrantes de papel toalla y papel higiénico puede hacer que los recipientes de almacenamiento de útiles para nuestros cables de extensión adicionales e impide que una maraña de las luces de Navidad. Si tu vas a lanzar éstos hacia fuera no sólo tirarlo a la basura, puesto que la papelera de reciclaje.

Frascos para bebés pueden llegar a ser globos de nieve de los niños pueden hacer y dar como regalos, tarjetas de navidad puede llegar a ser las nuevas tarjetas hechas a mano y un vaso o una botella de plástico junto con un poco de aceite clara y colorante de alimentos y algunos otros elementos comunes de la casa puede convertirse en una lava maravilloso lámpara!
Las posibilidades son infinitas y las instrucciones se pueden encontrar en libros y en Internet.

Comience hoy
El reciclaje es una actividad muy verde el medio ambiente, sin embargo, hay maneras que usted puede hacer que sea más verde, así como la construcción de un sólido comienzo si no se reciclan actualmente.
Muchas personas que comienzan un programa de reciclaje de mirar alrededor y se preguntan qué pueden poner en el recipiente de reciclaje, no hay tanta información disponible en este sitio, así que no cunda el pánico.
Mediante la reutilización de los envases de almacenaje reciclados a ahorrar en el impacto ambiental también. Las bolsas de papel y plástico son buenos para el reciclaje de almacenamiento, sin embargo, una bandeja de plástico reutilizable es aún mejor.

Corre la voz!
Comparte lo que sabes. Si se observa la basura abunda en el barrio empieza a esparcir la palabra y su experiencia con el reciclaje y si no es ya uno en su lugar se esfuerzan por conseguir un reciclaje de la ciudad recoge el programa comenzó.

El hecho es que muchos de nuestros recursos, así como nuestra Tierra no es renovable y tenemos que empezar a tomar el control de nosotros mismos a partir del mundo en que vivimos

El calentamiento global ya no se considera como una teoría de los científicos y se ha convertido tristemente en un hecho. El cambio necesario debe estar en sus acciones de hoy con el fin de asegurar un brillante (no muy caliente) de mañana.

Las respuestas de expertos:

Bueno, me corté el tirar basura en un 50%!

Comencé a beber cerveza de 24 oz Latas, así que ahora sólo se tiran tres latas de la ventanilla del coche en vez de seis!

No me lo agradezca ... Sólo estoy haciendo mi parte.

Sharon pide a ...

OFERTA DE TRABAJO de la careers@hewlettpackard-uk.co.cc y hp.recruitmentlondon @ live.com?

Tengo el correo folowing es estafa o FROD o es verdad que no puedo understnad que me están enviando ofrecen más adelante ¿cómo puedo saber esto es HP verdaderos formulario o no?

Atención: el Sr. Udaysinh C. Vaghela,

Saludos desde Hewlett Packard (HP)

Esta es una afirmación que ha emergido con éxito y de ser nombrado para el cargo indicado en su documento de nombramiento.

El modo de selección se basó en los siguientes;

1. CV y la calificación
2. Modo en el que sus datos se presenta en la hoja de datos de empleo.
3. Experiencias de trabajo.

Contamos con personal basado en cuatro valores fundamentales a saber;
La productividad, talento, la ambición y el carácter y esperamos que todo nuestro personal de nueva contratación para exhibir estos valores fundamentales.
También nos aseguramos de que todo nuestro personal, especialmente a nuestros empleados internacionales se sienten cómodos.

Se adjunta a la presente, que contiene el documento correspondiente copia electrónica de su paquete de contrato para su examen y aprobación.

Su Resumen de oferta de empleo es el siguiente;

Duración del contrato: PLAZO DE 5 AÑOS DE CONTRATO (renovable)
DESIGNACIÓN DE TRABAJO: Desarrollador de Software

INICIO FECHA: 26 DE AGOSTO, 2010

Período de licencia: dos veces cada 12 MESES

REF TRABAJO: RADUK/COL/543AB

CÓDIGO DE TRABAJO AP/S2653

Lugar del Trabajo: LONDRES, REINO UNIDO

NOTA: Usted debe reportar su deber de Gerente de Recursos Humanos.

Copia electrónica de tu contrato de trabajo,

ESTE ACUERDO se celebra hoy entre Hewlett Packard (HP) de la parte primera y segunda, como una de las partes.
Para ser considerado bueno, Hewlett Packard (HP) cuenta con el empleado en los siguientes términos y condiciones.

ARTÍCULO 1: PLAZO DEL CONTRATO
La duración del contrato será de duración del contrato: El contrato tendrá una duración de duración de 60 meses consecutivos; 5 años y podrá ser renovado basado en servicios satisfactorios de los empleados a la empresa.

ARTÍCULO 2: SUELDO
Hewlett Packard (HP) pagará los empleados en el desempeño satisfactorio de los servicios de la suma de (£ 7.200) siete mil doscientos libras de Gran Bretaña. Básico (Impuesto incluido) al mes. es decir, después de impuestos mensuales, equivalente según el país de origen del empleado.
El empleado será reembolsado por el empleador por los gastos razonables incurridos en movimiento sólo como resultado de la reubicación o terminación anticipada de contratos de arrendamiento, gastos de almacenamiento, adquisición de documentos de viaje. Los reembolsos se harán antes de embarcarse en el viaje de los empleados, a más tardar cinco (5) días hábiles después de la presentación del informe de gastos del empleado y los ingresos, este .. después de la adquisición de los correspondientes documentos de viaje a través de la asistencia del asesor legal de la empresa en materia de inmigración
Empleador también deberá hacerse cargo de los empleados billete de avión incluido el de los empleados de la familia sólo en la notificación de los empleados temprano para el empleador y que deberá ser solicitada por los empleados (SOLO DOS MIEMBROS DE LA FAMILIA SE PERMITE)

ARTÍCULO 3: Deberes y de posición.
Hewlett Packard (HP) contrata al empleado en la capacidad de los deberes del empleado puede ser razonablemente modificada en Hewlett Packard (HP), la discreción de vez en cuando.

ARTÍCULO 4: Empleado para dedicar tiempo completo a Hewlett Packard (HP).
El empleado va a dedicar a tiempo completo, la atención y energías a la producción de las computadoras, y, en este trabajo, no se involucrará en ninguna otra actividad económica, independientemente de si dicha actividad se persigue fines de lucro, ganancia o ventaja pecuniaria. El empleado no está prohibido de realizar inversiones personales en cualquier otro negocio siempre que esas inversiones no requieren la participación activa en el funcionamiento de dichas empresas.

ARTÍCULO 5: Confidencialidad de la Información Confidencial.
Empleado se compromete, durante o después de la vigencia de este empleo, a no revelar información confidencial de la prestación de cualquier servicio a cualquier entidad a la que dicha información ha sido o está amenazado con ser divulgada, el derecho a obtener una orden judicial no es exclusivo, y la EMPRESA puede ejercer cualquier otro recurso que tiene contra el empleado de una violación o amenaza de violación de esta condición, incluyendo la recuperación de los daños causados ​​por el empleado.

ARTÍCULO 6: Discapacidad.
En el caso de que el empleado no puede desempeñar las funciones como consecuencia de enfermedad o incapacidad por un período de más de 1 mes, la compensación en otro caso se dijo durante la enfermedad. Compensación total del empleado será reintegrado a su regreso al trabajo. Sin embargo, si el empleado se ausente del trabajo por cualquier razón durante un período continuado de más de 2 meses, la compañía podrá dar por terminado el empleo del empleado, así como las obligaciones de Hewlett Packard en este acuerdo dejará en esa fecha.

ARTÍCULO 7: Terminación del Acuerdo.
Sin causa Hewlett Packard puede terminar este acuerdo en cualquier momento mediante notificación por escrito de 6 días para el empleado, el empleado seguirá desempeñando sus funciones y pueden ser pagados a su / su salario con regularidad hasta la fecha de terminación. En adi

Las respuestas de expertos:

Eso es una estafa - ni de ellos son legítimos Hewlett Packard direcciones de correo electrónico. Si no termina in@hp.com que no se trata de la empresa real

Esto no es más que una estafa para robar el tiempo la totalidad de su dinero y cometer robo de identidad con sus datos. They will ask you to send a copy of your passport to some “agency” to process the visa, then ask for money. Then ask for more money for another certificate. Then more money then more until you finally wake up and realise it's been a scam all the time

Delete this or report it to whichever agency in your country deals with internet crime

A major global company like HP is NEVER going to offer a job over the internet. If you were not flown to the UK for an interview at their head office in Bristol (they aren't in London) then the job doesn't exist. A company cannot get a visa for a person they've never met in person. That's one of the requirements the company has to prove – that they have either flown to meet you or flown you in to meet them for at least 2 interviews before they can offer you the job and sponsor a visa

Joseph asks…

Renewable energy ideal – wind turbine on wheels to capture hurricane power?

Is it possible to get a giant mobile wind turbine on wheels that can be placed in hurricanes in order to collect large amounts of energy ?

For example, how about a very rugged turbine(like propeller you would use for planes going 500 MPH) and a energy storage device that converts aluminum oxide to aluminum(high energy potential material/released energy = thermite reaction) for example. With hydrogen, you waste energy compressing… so preferrably some energy conversion system that gives solids or liquids. Then just pump the fuel to anywhere and convert it to electricity.

YEAH???
Of course you take the wheels off and lock in down once on location… materials for construction can be very cheap I think if they REALLY REALLY tried to build using already made parts.

Las respuestas de expertos:

No es posible hacer fuertes las turbinas suficientes suficientes y grandes que también son portátiles, y de cualquier manera, los huracanes no ocurren con suficiente frecuencia. Y sólo imaginar la cantidad de combustible y el número de trabajadores y el tiempo que se necesita para mover estas máquinas gigantes! Es mucho mejor para construir miles de turbinas instalados de forma permanente en lugares que ven a los vientos moderadamente fuertes la mayor parte del año. Los vientos lo suficientemente fuertes para hacer un montón de poder, pero no tan fuerte como para dañar las turbinas. Los vientos que soplan casi todos los días y los días no sólo uno o dos de los años. Eso se está haciendo ya.

Y sus ideas de almacenamiento de energía sonar como que se guarde muy poca energía y requiere una gran cantidad de problemas para llevar a cabo.

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Sus preguntas sobre el viento y energía solar

16 de mayo 2012 por
Filed under Eólica y Solar Q & A

Juan pregunta ...

qué tipo de planta es la Planta de Energía Nuclear Turkey Point en Homestead Florida?

es o bien BWR o PWR?

Las respuestas de expertos:

Turquía, la planta nuclear es un punto de PWR (reactor de agua presurizada), pero las instalaciones el 30 de junio 2009 se presentó una solicitud para construir dos de 1.550 MWe ESBWR (económicos reactores simplificados de agua en ebullición), de modo tras la finalización de los reactores de alrededor de 2017. Turquía río sería tanto un reactor de agua presurizada (PWR) y un reactor de agua en ebullición (BWR)

Betty le pide ...

¿Vamos a ver las nuevas centrales nucleares construidas en el futuro cercano?

En el ejemplo más reciente de los asombrosamente caros nuevas centrales nucleares,

"El gobierno de Ontario puso sus planes de energía nuclear en espera el mes pasado debido a que la oferta de Atomic Energy of Canada Ltd., el único" conforme "uno de ellos recibió, fue más de tres veces superior a lo que la provincia debe pagar [en $ 13 mil millones de dólares reactor].

Esto significa que un solo proyecto habría acabado con la provincia nucleares -. Presupuesto de expansión de la energía para los próximos 20 años, dejando sin dinero por lo menos otros dos proyectos de rehabilitación de miles de millones de dólares "

"Gran parte del aumento de precios dramática se relaciona con el costo de la mano de obra y materiales, que se han disparado en los últimos años. De Suministradores Nucleares y sus inversores también tienen menos tolerancia al riesgo."

http://www.thestar.com/comment/columnists/article/665644

Asimismo, Turquía no pudo obtener ninguna oferta por debajo de 21 centavos de dólar por kWh para un arma nuclear nueva (el costo de la energía media es actualmente de menos de 8 centavos de dólar por kWh).

http://www.todayszaman.com/tz-web/detaylar.do?load=detay&link=164556&bolum=105

Una nueva arma nuclear en Finlandia pasó por encima del presupuesto en más de $ 2 mil millones (50% sobre la estimación inicial) y 3 años más de lo previsto.

http://www.reuters.com/article/rbssIndustryMaterialsUtilitiesNews/idUSLS56745220080828

En la energía nuclear de nueva EE.UU. está en camino de costar 15 centavos a 20 centavos de dólar por kilovatio-hora. Y ninguna planta nuclear ha llevado a cabo dentro del presupuesto.

http://www.time.com/time/printout/0, 8816,1869203,00. html

Florida Power and Light llegó a la conclusión de que dos nuevas unidades por un total de 2.200 megavatios costaría $ 12 mil millones a $ 18 billones.

Reguladores de Progress Energy informó del estado que los gemelos de 1.100 megavatios plantas que tiene intención de construir en Florida costaría $ 14 mil millones, lo que "triplica las estimaciones de la utilidad que ofrece poco más que hace un año." Y sus estimaciones de costos son "no vinculante" y "sujeto a cambiar con el tiempo. "

http://climateprogress.org/2008/06/13/ nuclear - el poder-parte-2-el-precio-is-not-a la derecha /

Con estos costos muy altos para las nuevas centrales nucleares en todo el mundo, ¿crees que vamos a ver las nuevas centrales nucleares construidas en el futuro cercano?

Las respuestas de expertos:

I think it depends on how much the federal government subsidizes it. The US Has already put out over $100 billion (Time article). The rational originally was to promote a fledgling industry. But the nuclear 'wings' still don't support its weight.
And that's not counting the cost of permanent disposal of nuclear waste, which is very expensive. The Yucca Mountain facility is on hold, because Nevadans don't want the waste 'in their backyard'. So it's kept a lot closer to you than Yucca Mountain is to most Nevadans.
Who computes the end-to-end cost of nuclear fuel? It takes a lot of oil to produce the fuel ready to go into the reactor, and leaves behind a mess of radioactive tailings.
Three Mile Island accident discouraged banks from financing industry. The costs overruns and political uproars in the 70s and 80s..
So unless the idea of Uncle Sam subsidizing power plants heavily gets traction, I don't think there will nuclear plants built here.
Oh, and Germany just had an accident (Krummel), including core damage.

David le pide a ...

Why don't the proponents of global warming support nuclear power?

This has always puzzled me, because most proponents of global warming are skeptical because they're afraid of the lower cost and efficiency of nuclear power .

But you would think if that were the case, they would mostly favor the change to lower the consumption of cheap fossil fuels such as coal and natural gas. Yet most proponents seem to wholeheartedly resist an increased use of nuclear power .

This seems to contradict their ecological motivations, because new nuclear power is extremely efficient and clean. One of the few new nuclear power plants proposed to be built in the US in the last 30 years – in San Antonio – was originally estimated to cost $13 billion for 2 reactors. The price tag just went up another $4 billion due to unions and unfounded EPA regulations.

http://www.mysanantonio.com/news/ Nuclear

The same story can be applied to proposed nuclear plants in Florida , North Carolina, and abroad in Canada and Finland. Due mainly to the EPA and the proponents of global warming, nuclear power is highly suppressed viable alternative.

Yet we constantly hear questions from proponents of global warming about why non-believers don't support algore and the church of global warming more strongly.

What's the deal? Do they not understand the reality of clean, efficient nuclear power ? Do they resist it just because non-believers know nuclear power is better than coal and natural gas? Are they just parroting what they hear from the liberal media and political websites?

Las respuestas de expertos:

They're afraid that a nuclear power plant will be built where they can see it, and they don't look very good. Obviously, the solution is to build them in AGW skeptic's backyard, which alarmists see as fair. However, the rest of us don't agree with the alarmists, so they feel the need to eliminate all the nuclear power plants, as not everyone agrees with alarmists over them.

You all think I'm joking, don't you? Ted Kennedy refused to have a wind farm built near his property, because it would disrupt his view. Same thing with liberal Sen. John Warner, who tried to bar the Army Corps of Engineers from permitting offshore windfarms, as he and his relatives all live on the coast. Clearly, all the alternative power plants belong in the west, so that they can disrupt the view of people that don't matter (particularly conservatives).

Just imagine what it'd be like if you replaced the windmills with a massive nuclear power plant belching clouds of steam.

Steven pregunta ...

Why do global warming 'skeptics' support nuclear power so strongly?

This has always puzzled me, because most AGW deniers are 'skeptics' because they're afraid of the economic costs of carbon regulation.

But you would think if that were the case, they would mostly favor the status quo of relying on cheap fossil fuels such as coal and natural gas. Yet most 'skeptics' seem to wholeheartedly support an increased use of nuclear power .

This seems to contradict their economic motivations, because new nuclear power is extremely expensive. One of the few new nuclear power plants proposed to be built in the US in the last 30 years – in San Antonio – was originally estimated to cost $13 billion for 2 reactors. The price tag just went up another $4 billion.

http://www.mysanantonio.com/news/Nuclear_cost_estimate_rises.html

The same story can be applied to proposed nuclear plants in Florida , North Carolina, and abroad in Canada and Finland. Due mainly to increased construction costs, nuclear power is an expensive alternative.

Yet we constantly hear questions from deniers about why “alarmists” don't support nuclear power more strongly.

What's the deal? Do they not understand the reality of nuclear costs? Do they support it just because environmentalists used to object to nuclear power ? Are they just parrotting what they hear from the right-wing media?
Looks like it's indeed a combination of my suspicions.

1) They're purely anti-environmentalists.
2) They're purely anti-liberal, and view renewable energy as “liberal” and nuclear as “conservative”.
3) They're stuck in the 1970s and think nuclear power is still cheap.

Or some combination of the three.

Las respuestas de expertos:

I think history plays a role in this. Most global warming deniers are on the political right. In the 1970′s-1980′s, many environmentalists had concerns over nuclear power, which eventually lead to stricter regulation. Environmentalists had been supporting renewable energy. Many on the right were angered that environmentalists were successful at influencing policy and blamed them for slow growth of nuclear power, even though much of the reason for that was rising nuclear costs, and plunging fossil fuel prices. So US Republicans believe they “own” nuclear power and see renewables “owned” by liberals. Their support for nukes is like cheering for a team. The fact that nuclear power is quite expensive eludes them. They want to push nuclear power so they can feel like they finally beat those pesky environmentalists that thwarted them in the 1970′s. In other words, they are living too much in the past.

Nuclear power is an effective global warming solution and independent of that, has much fewer environmental problems than coal. If they can get the costs down and economically compete with renewables such that they are clearly and consistently cheaper (nukes no doubt have more environmental and national security costs than renewables), more “power” to them.

Sharon pide a ...

How can we rely on increased nuclear power production given its cost?

Florida Power & Light estimated that building a new nuclear plant in that state would cost $12-18 billion. A new study concluded that generation costs from a new nuclear power plant would cost 25-30 cents per kWh – three times the current average US electrical rates. A June 2008 report by Moody's Investor Services Global Credit Research concluded that any utility engaging in the risky venture of building a new nuclear power plant would experience a severe decline in its credit rating.

http://climateprogress.org/2009/01/07/ nuclear - power - plants -troubled-assests-credit-risk/#more-4585

Now I want to point out that I'm not suggesting we shut down all nuclear plants and never use nuclear power again. However, many people seem to feel that nuclear power is a silver bullet which will solve all our energy problems. Given the costs and risks of new nuclear plants , it seems more like a diamond-encrusted platinum bullet to me.

So how can we rely on increased nuclear power production to solve our energy problems given its cost and risks?
Ben – solar and wind (and geothermal) are cheaper, as discussed here:
http://greenhome.huddler.com/forum/thread/975/new- nuclear - power -plant-costs-appear-staggering

Las respuestas de expertos:

How safe do you want your nuclear power station to be:
very safe
very very safe
very very very safe

add more verys as you feel like
The cost goes up in proprtion to the number of verys.

Linda pregunta ...

How does Turkey Point Nuclear Power Plant dispose of it's nuclear waste?

Located in Florida ?

Las respuestas de expertos:

Ever had a double down?

Jenny asks…

Why is the GOP pushing for new nuclear power?

“Republicans say, build 100 new nuclear power plants during the next twenty years”

http://www.gop.com/News/NewsRead.aspx?Guid=92504368-37ec-4d4e-94bb-9edc4fc33250

But as they push for a massive number of new nuclear plants , this is what's happening around the world.

Finland: “After four years of construction and thousands of defects and deficiencies, the reactor's 3 billion euro price tag, about $4.2 billion, has climbed at least 50 percent. And while the reactor was originally meant to be completed this summer, Areva, the French company building it, and the utility that ordered it, are no longer willing to make certain predictions on when it will go online.”

Turkey: “The only company bidding…offered a price of 21.16 cents per kilowatt-hour (kWh). Current electricity prices in the country vary between 4 cents and 14 cents per kWh.”

http://www.todayszaman.com/tz-web/detaylar.do?load=detay&link=164556&bolum=105

Even here in the USA, in Florida : “Progress Energy offered its revised estimate Tuesday: $14-billion for two new nuclear reactors…The utility said its 200-mile, 10-county transmission project will cost $3-billion more. The total cost triples estimates the utility offered little more than a year ago.”

http://www.tampabay.com/news/business/energy/article414653.ece

Idaho: "Los consumidores esperan que la energía a un precio razonable, y el proceso de la empresa la diligencia debida ha llevado a la conclusión de que no tiene sentido económico continuar con el proyecto en este momento", dijo Bill Fehrman, el presidente de la Co MidAmerican Energía Nuclear, en la carta a los residentes del Condado de Payette.

http://www.reuters.com/article/companyNews/idUSN2957446620080129

La lista es interminable. ¿Por qué el Partido Republicano quiere 100 nuevas plantas de energía nuclear, cuando en la actualidad son tan caros y con tan poco éxito en los EE.UU. y alrededor del mundo?

Las respuestas de expertos:

Bueno, me llama un teórico de la conspiración loco, pero creo que tiene algo que ver con la centralización del poder. Lea lo que quiera en esa declaración. ¿Qué otra explicación posible puede haber para su vehemente oposición a la distribuida [nada]?

De hecho, podríamos tener limpio eficiente de la energía nuclear con generación IV diseños que en realidad puede quemar nuclear "residuos". Pero este tipo de infraestructura nuclear a su vez, la energía nuclear en una especie de confianza de los ciudadanos - la última cosa que quieren.

Cuando no se puede centralizar y controlar y tomar todas las ganancias y el embudo de ellos hacia arriba - que no quieren tener nada que ver con eso. Más que eso, quieren aplastar la infraestructura distribuida de ninguna clase, para que el pueblo les puede dar la idea de que pueden tener cierto grado de control sobre sus propias vidas y su destino. Creo que la gente está empezando a despertar a lo que sucedió en el siglo pasado. Creo que está diciendo que la nueva administración dio más de GM a los sindicatos que a los tenedores de bonos. Es el comienzo de un retorno a algún tipo de equilibrio.

Me gusta su explicación de antes - nuclear es inútil cuando las energías renovables (energías renovables e incluso centralizados) son más baratos. Sin embargo, si no hacemos gestión de la demanda a lo grande, como un programa Apolo que reduce el consumo de energía a la mitad en 10 años, el crecimiento de la demanda de energía junto con la realización de que el carbón está destruyendo el clima puede hacer nuclear inevitable - porque sin gestión de la demanda de energías renovables no pueden satisfacer la carga. O ¿no?

Reactores de agua ligera son una de nuestras tecnologías más peligrosas, ineficiente, despilfarrador e insostenible. Extraemos el uranio a un costo tremendo (social y ambiental). Sólo tenemos suficiente uranio para 70 años de todos modos. Nosotros lo usamos una vez dejando el 99% de la energía detrás de convertirla en una pesadilla 100.000 años de alta actividad, residuos altamente tóxicos. Todos los residuos del reactor de agua ligera jamás se haya creado todavía está allí, en la celebración de los estanques, en las centrales donde se creó.

“…some form of molten-salt thorium breeder could be the most efficient well-developed energy source known, whether measured by cost per kW, capital cost or social costs.”

But we don't do it. The party of dumb wants more light water reactors. ¿Por qué? See above and some of the other salient answers.

Daniel asks…

Why Not Nuclear Reactors if So Much Concern about Environment?

En California, tenemos un reactor nuclear, en la mitad del tiempo. Todavía tenemos la quema de carbón las plantas de energía. ¿Cuántas decenas de miles de niños y adultos que tienen asma antes de que la energía nuclear se establece LIMPIO? Florida tiene cinco, sus tarifas son 1/4 de California. Incluso pequeña Suiza tiene 5.
Nunca ha habido ningún nuclear "es un accidente en los Estados Unidos. Nadie resultó herido nunca, ninguna planta o animal de cualquier tipo se lesionó. Tuvimos un susto sólo con Three Mile Island. Rusia tenía las catástrofes con los reactores de mal diseñados.
Los reactores nucleares tienen cero emisiones, incluso a diferencia del gas natural "limpia" o los llamados 'limpias' las plantas de carbón.

Las respuestas de expertos:

Debido a que el mundo está lleno de gente muy mal informada, y estúpido por desgracia,. Si sacó la cabeza fuera de la arena y realmente descubrí cómo limpia y segura y rentable nuclear es que tendríamos un montón.
Por cierto, es posible tener plantas de carbón limpio. Los necesitamos también.
Tenemos una diversidad de arma nuclear, el carbón, el viento, el agua, la energía solar. Cada uno tiene su lugar. Tenemos que educar a la gente que el 3-Mile Island fue un éxito! Los operadores hicieron todo lo posible, estúpidos y los controles sigue cerrando sin que nadie geting daño, fugas de radiación minúscula y el daño a un solo reactor. Los modernos son aún más seguro, más barato y más eficiente. Medios de Comunicación "exagerada" Chernobal. Era una planta barata que ponga para arriba por el gobierno estúpido. No tenía la "contención" del edificio (como el que a las 3 millas de la isla). No es de extrañar que fue un desastre.
Respuesta simple. Medios de Comunicación ha hablado "ovejas" en este país en believeing ​​nuclear no es segura. La culpa de Jane Fonda a una cosa más "crisis". Era sólo una gente película, no la vida real!

Pablo le pide a ...

¿Qué es esa planta de energía cerca de Orlando, justo al lado de la línea de playa (528) carretera?

Yo estaba visitando a su familia en Florida, y yo estaba conduciendo de regreso al Aeropuerto Internacional de Orlando en la 528-W, y vi una planta de energía grande con dos grandes torres de refrigeración de la carretera. También voló sobre la central y podía ver todo desde la ventana de mi avión. Estoy bastante seguro de que no es una planta nuclear, pero me estaba preguntando lo que el nombre de lo que es. ¿Puede alguien darme alguna información / web / etc? Gracias.

Las respuestas de expertos:

Creo que usted se refiere a la Planta de Energía Stanton. Formalmente nombrado Curtis H. Stanton Energy Center.

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Your Questions About Wind And Solar

May 15, 2012 by
Filed under Wind And Solar Q & A

María pregunta ...

How does energy storage affect the future of renewable energy?

Las respuestas de expertos:

Thor missed one renewable; Biomass
So biomass is usually woody debri that is ground up and buned in large plant that creates electricity. I am in the Tahoe area small trees are are chipped and used for biomass, by doing this we prevent or slow catastrauphic wildfires. The trees themselves store the energy while growing and it is renewable.

I'ma lumberjack that supplies biomass to a local power plant.

Daniel asks…

Could gravel batteries make renewable energy more realistic?

A company claims to have solved the problem of storing energy from renewable sources using giant gravel batteries:

http://www.guardian.co.uk/environment/2010/apr/26/gravel-batteries- renewable - energy - storage

¿Qué piensa usted?

Las respuestas de expertos:

¿Qué pienso?
Well, when I first read the article, I thought it had to be a joke.
I then had to look at the date of publication of the article, just to make sure that this was a current article, and not an 'April Fools' day joke which I had not heard of before, and then when I realized that it was only published yesterday I had to dismiss the 'April Fools' aspect, and since it is the 'Guardian' then it MUST be TRUE!

There are many things about this story which would actually be funny if it were not so extremely sad.
Without going into any real and 'boring science' (to far too many people), One thing which interested me which really is worth noting was the comment, “Isentropic claims a round-trip energy efficiency of up to 80% and, because gravel is cheap, the cost of a system per kilowatt-hour of storage would be between $10 and $55.”!
I have to ask anyone with a modicum of intelligence to be able to justify that in any way whatsoever.
Or am I missing something?

It seems to me that none of this makes any sense at all (either scientifically, or financially).

Nancy asks…

what do you think about new wind energy maps?

New energy storage systems are able to store so much renewable energy ….so….

HURRICANE ENERGY CAN BE STORED!! So…1 day hurricane would give much more
usable…. energy than a good constant 1 year 6 m/s wind….

Results are evident!

Las respuestas de expertos:

I love the idea. Que Dios los bendiga!

George asks…

What is the energy output when obtaining hydrogen from water using electrolysis?

Let's say one uses 100 kilowatt generating capacity to produce hydrogen from water using electrolysis, and runs the process for one hour. If he then turns around and uses the hydrogen to generate electricity, how much can he generate? Can he then produce 25 kilowatts for one hour? 50 kw? In other words, is the return from electrolysis 25%? Is it 50%? I am interested in the storage capacity from hydrogen produced with renewable energy . Gracias.

Las respuestas de expertos:

Depends how you get your energy from hydrogen. Lets say you burn it to generate heat to make steam to drive a turbine. That's a lot of steps. Lots of places for inefficiency. Probably 25% is a reasonable figure.

Might be 60% with a fuel cell?

Thomas asks…

What do you think about Tomorrowshorizon.org?

Tomorrows Horizon Inc is a start up nonprofit dedicated to the advancement of knowledge regarding the problems our world faces, developments in renewable energy production and storage , and breakthroughs in sustainable living systems.
Our website is still under construction but please take a few minutes to check out our homepage and if you would like updates please join our mailing list.

Las respuestas de expertos:

I think this website is pretty good but how are the people going to know thats the only problem we want people to know these ways of going green …….so i think people should start buying books with recycled paper …..green edition people ……

Lisa le pregunta ...

lightning arresters and storage devices?

is there a way we could use lightning arresters and storage devices to store energy from lightning and use it as a renewable source of electricity?

Las respuestas de expertos:

Fortunately, there is not a terribly large amount of energy contained in a lightning discharge.

Consider, for instance, the voltage, current, and time characteristics of a 'standard' lightning waveform.
This standard waveform is what electrical equipment is designed to withstand, so it actually uses conservative (overly large) values.

On a 35 kV ac distribution system, a 20 kA lightning surge (20 kA is larger than 90% of all lightning discharge currents) would produce about 100 kV crest. The typical waveform has an 8 microsecond risetime and 20 microsecond tail.

Thus, the total energy is not more than (20 000 A) x (100 000 V) x (28 x10^-6 seconds) = 56 000 J.

56 kJ corresponds to 15.56 Wh (Watt-hours). Considering the amount of equipment involved in somehow capturing the energy of the charged cloud-to-ground capacitor, this just isn't enough energy to make it worthwhile.

Lizzie le pide ...

Why not nuclear the same as France?

I've read many questions and answers about power generation and how the US energy crisis could be solved by renewable resources such as wind or solar cells. While wind, solar cells, hydro, landfill gas and other types of renewable generation all have their place in an overall mix, due to their variability and diffuse nature, none are a viable source of reliable base load power. I emphasis the importance of reliability since there are no practical methods of storing energy that do not have a steep price in efficiency.

The first method of effectively increasing the supply of renewable energy is to use less. Next, if and until fusion power becomes a reality, the only other answer, and I know there will weeping, arm flailing and talk of doomsday, is the use of fail safe nuclear reactors (they will shut down before melting down) with fuel reprocessing to alleviate the spent waste storage problem. 80% of France's power is nuclear. What do they know that we don't?

Las respuestas de expertos:

Far be it from me to suggest emulating the French, but….

In this we should. We should stop coddling an irrational segment of our population, and get some new nuke plants up and running. Preferrably hundreds.

The whiners can whine in comfort, thanks to nuke powered air conditioning.

William asks…

The alternatives are horrifying?

When it comes to discussing what is going to happen
when oil runs out, the loudest argue adopting renewable energy
is a horrifying prospect – it's inadequate etc.

But if we turn our attention to:
What will solar energy / collectors and storage devices
be like in the year 3000…
maybe we'd move the debate,
and our reality, on
cos, once identified ~
we could produce now…

¿Qué piensa usted?

I've made a start, putting down my design ideas.
Please take a look:

http://www.the-alternative.org.uk

See: Chapter 6: Energy / Solar

Las respuestas de expertos:

I've always wondered why there seems to be so much hostility towards people who want to find a way to pollute less. How can this be a bad thing. Yes, some of the alternatives we have are stop gap measures, but their designs will improve and guide others to designs that can be a true solution.

I don't understand most of the technical things that go into the production of energy, but it only takes common sense to understand that if we can make electricity from something that doesn't have to be forced from the ground and doesn't release large amounts of pollution it has to be better than what we are doing now.

Helen asks…

Need information on energy?

I am doing a project on energy . It consists of 12 different types of energies. I just need information on some of them because they are hard to find. They are:

1) Ethanol/Methanol
2) Bio-mass
3)Lithium Ion Battery
4) Pumped storage reservoirs
5) Geothermal

The information I need on them are:

A) Is it efficient?
B) Is it renewable , why or why not?
c) Is it reusable
d) can it be used anywhere?
e) where is it best used?

*Thanks for your help!!

Las respuestas de expertos:

I can tell you about Geothermal Energy!
Geothermal energy is pretty much energy inside the earth.
Steam and hot water is geothermal energy.
What happens is the steam/hot water is usually located in a place called a geothermal reservoir, which is a very hot area underground ranging from 300-700 degrees Fahrenheit.
The steam/hot water is sucked through pipes and into a turbine. The steam/hot water causes the curved vanes of the turbine to spin, thus creating energy. That energy is not fully developed though. It goes through a generator, and then the power can be used to heat homes and other buildings.

For ethanol, use these websites:

http://www.drivingethanol.org/

http://www.businessweek.com/technology/content/may2006/tc20060519_225336.htm

For Bio-Mass energy, use this:

http://www.eia.doe.gov/kids/energyfacts/sources/renewable/biomass.html

For Lithium Ion Battery, use this:

http://electronics.howstuffworks.com/lithium-ion-battery.htm

Y para los depósitos de almacenamiento por bombeo, utilice los siguientes:

http://www.darvill.clara.net/altenerg/pumped.htm

http://www.obg.com/solutions/water/utility.aspx

Espero que esta ayuda!

-Tom C

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Tags:

Sus preguntas sobre el viento y energía solar

13 de mayo 2012 por
Filed under Eólica y Solar Q & A

Helen le pregunta ...

¿Es McCain / Palin partidarios ingenuo o inconscientes?

? Yo no lo entiendo, los republicanos se quejan y se quejan cuando las cosas van mal; http://en.wikipedia.org/wiki/Approval_rating

Entonces, de repente, su candidato presidencial republicano, elige una mujer como compañera de fórmula para la vicepresidencia. Se olvidan de todo sobre los grandes temas que por lo molesto se quejó de lo largo de los últimos años. Cuidado de la Salud, Educación, Seguridad Nacional, Inmigración, Aborto, matrimonio homosexual, el Seguro Social, y de Economía.

! ¿Cuál de ellos John McCain y George W Bush en desacuerdo con OH YEAH, ninguno:

http://www.nytimes.com/interactive/2008/06/17/us/politics/20080617_POLICY_GRAPHIC.html

Claro que no está de acuerdo en algunos temas, pero sólo me responde esto en los últimos 100 años (y no en los últimos 20 a 30 años más o menos) ¿Cuál de los siguientes: el Cambio Climático, Energía y Petróleo, Energía Renovable, tácticas de interrogatorio y de armas Control. ¿Se puede decir que fue criado como un tema importante relacionado con el pueblo estadounidense?. Yo tendría que decir que NINGUNO!.

Is Obama the answer I don't know and i don't really care. Is McCain the solution to our problems sure, if hell freezes over.
Jeez, are you serious when you don't see proof you complain. “where are you facts blah blah blah”. I give you actual facts from reliable sources and it's not enough that's amazing how insanely stuborn you people can be.
I don't follow politics but it's laughable how easy it is to correct some of you like ricky there,

McCain/Palin supporters are those that believe in the American dream…

Do you honestly think republicans are the only one's who dream of that, what person in the world doesn't believe in the american dream; it's what most of us dream of it's what we strive for. Do

Those supporteres haven't forgotten about health care and education…

How are thes not your opinions?, it's completely contradictory bush and McCain agree on the same policy. FOR CHRIST SAKE AHHH!!!.

They haven't forgotten about National Security….

The last attack on American soil before 9/11 occurred 60 years prior, how is that any different than the past 7 years?.

They haven't forgotten about immigration, because they want the illegals to stay out and welcome the documented….
This is why republicans disgust me this wonderful country you love so much was founded on a single basis, Give us your tired, your poor, your huddled masses. We are a nation of immigrants how we've deluded ourselves into believing that were not natives of this country is beyond any kind of normal comprehension.

They haven't forgotten about abortion. They remember that, “Thou shalt not kill.” They haven't forgotten about same-sex marriage, they ignore it because it's not a natural union.

Once again how does this not differ from what I said about health and education

They haven't forgotten about Social Security. They believe that putting money into the people's pockets and letting them invest it in private funds is better than having government do it for them. Finally, the economy is in better shape than it was in the Clinton years, but a Democratic Congress has made it difficult for the President these past two years.
Why would anyone in the past 100 years bring up climate change, energy and oil, renewable energy , interrogation tactics, or arms control? Global warming wasn'ta concern. Energy and oil were what made the Rockefellers rich. Renewable energy didn't exist. Interrogation tactics included beating the bejesus out of someone until the talked. And arms control was I dare you to pry this gun from my cold dead fingers.
EXACTLY!, does this person have a brain? I clearly stated that.

Is Obama the answer? No. Is McCain? That's the way I'm voting.

How does this final statement even make sense?.

Las respuestas de expertos:

Look at this “we haven't be attacked in 8 years”. No, seriously…read that again. Maybe a couple times until it actually sinks in. It's only been 8 years. It took over 200 for the 1st attack. Are you people actually that frigging stupid? Honestly, you act like 8 years is long. 8 years is nothing. We ARE going to get attacked again. We figured this right after the attacks. When did you think we were going to get attacked, the next day? We are no safer now than we were 9/10/01. If you believe that, you are ignorant and I hope that it's bliss. But, it's not true. We are no safer now than 9/10/01.

Lizzie le pide ...

Is The government handing out nearly $2 billion for new solar plants to create jobs Bad?

Obama awards $2B for solar power, hails new jobs

Obama hands out $2 billion for new solar plants, says money will help create thousands of jobs

The government is handing out nearly $2 billion for new solar plants that President Barack Obama says will create thousands of jobs and increase the use of renewable energy sources.

Obama announced the initiative in his weekly radio and online address Saturday, saying the money is part of his plan to bring new industries to the US

“We're going to keep competing aggressively to make sure the jobs and industries of the future are taking root right here in America,” Obama said.

The Obama administration says those projects will create more than 2,000 construction jobs and 1,500 permanent jobs.

Obama said that while it may take years to bring back all the jobs lost during the recession, the economy is moving in a positive direction.

The unemployment rate dropped to 9.5 percent.

Obama has said that to bring the nation's economy back from the brink of a depression, it was necessary to add to the country's debt in the short term.

Everyone is talking about CUT SPENDING. But Is this SPENDING bad?

Las respuestas de expertos:

According to conservatives, yes. Because Obama did it. If anyone else had done it, it would have been fine.

Chris asks…

Entries for Issuing and Calling Bonds; Gain?

Entries for Issuing and Calling Bonds; Gain

Vidovich Corp. produces and sells renewable energy equipment. To finance its operations, Vidovich Corp. issued $1,334,000 of 10-year, 13% callable bonds on January 1, 2012, with interest payable on January 1 and July 1. The fiscal year of the company is the calendar year.

Journalize the entries to record the following selected transactions:

2012
Jan. 1 Issued the bonds for cash at their face amount.
July. 1 Paid the interest on the bonds.
2018
July. 1 Called the bond issue at 96, the rate provided in the bond indenture. (Omit entry for payment of interest.)

Las respuestas de expertos:

Hahahaha

José le pregunta ...

Why are there so many social problems in the richest country in the world?

To name but a few, the USA scores lowly in all of the following compared to countries like Japan or Scandinavia (and most of western Europe to a lesser extent):

1) Crime
2) Teenage pregnancy
3) Health/life expectancy
4) Poverty and low income
5) Long working hours culture / less paid hoilday
6) Educational achievement/literacy rates
7) Obesity 8) Environmental pollution eg CO2 per capita, recycling
9) Public transport and renewable energy
by richest country i just meant total not per capita

http://en.wikipedia.org/wiki/List_of_countries_by_GDP_ (nominal)

I don' think you can argue over population is the cause of these problems when the countries that perform best are generally more densely populated (japan and western europe) than the usa.

I would suggest government has a big role to play in most of these as many of them are linked – particularly to inequality, education, healthcare and environmental regulation. With the exception of japan, most of western europe has a bigger public sector than the usa.
Personally I would suggest higher taxes on fuel, higher taxes for the rich, less defence spending, and more education, healthcare and public transport spending.

Las respuestas de expertos:

Rich country doesn't always equate rich people. In other words, just because a country is rich, it doesn't mean the riches are trickled down to the masses.

Government and corporate officials are very rich and can afford the best in healthcare, education, environment.

Over the last 20 years the US Has become less “government of the people, by the people” and more “government of the corporations and for the corporations”

Americans do not have the same resolve as Americans from say world war 2.

United we stand, divided we fall…

Dominos

Linda pregunta ...

Can someone help me with my DIY residential solar project?

I'm new to the topic of renewable energy with solar panels. I've been doing some research and I think I have a general idea of what is required in a DIY scenario. However, most of the guides have very limited information regarding the use of an enclosure, box, etc. The information that I have found usually points to some home-made enclosure or leaving the batteries exposed. I'd rather not do that if possible.

The closest I have gotten is the Xantrex PH-1800, but it is not officially offered to the general public, so their website does not have any documentation posted on this. Here is some info on my scenario and the type of system I'd like to set up:

Portátil:
I live in a house with plenty of space in the yard, and a spare bedroom, however, I don't plan on living here for much longer, so I'd like a small enough system that can be moved to the next house (possibly apartment) I move to.
Here's a picture of one that I found, although again, this one is only sold in bulk:

http://image.made-in-china.com/6f3j00lCf…

I'd like the container to allow for battery replacement. If it's a small container/enclosure, I'd like for it to be scalable so that I can add more batteries down the line if need be. The xantrex enclosure seems to offer that feature, but I'm not sure if that might be too advanced for me. I have a strong tech background, but limited electrical.

Scalable:
To begin with, I would like to simply power just an AC for 4hrs that uses 600 watts. If I'm calculating this right, then I would need 6 deep marine cycle batteries so that I don't drain them past 50%. I would also need an inverter rated at 600watt minimum.

Going back to the enclosure, ideally, the enclosure would have hookups that allow for adding/removing batteries without changing the solar panels. If the charging speed slows down, that's not a big deal for my scenario. Is there a such thing out there?

These requirements are not set in stone, so if I missed anything, feel free to subsititute numbers where necessary. The most important feature I'm interested in is scalability so that I don't have to throw away components down the line. I'd rather buy a 1000watt inverter now even if I would only use 600watts, assuming this doesn't produce another inefficiency. If it does, please let me know.
Update:
Gracias por los comentarios. However, does anyone have information regarding a container that does not involve some kind of DIY process?

Also, since this is more of a starter project for me, I wouldn't be planning on using the AC and charging the batteries at the same time. In fact, I generally get home late from work and might only use this during the weekend.

Also, does higher wattage from the solar panels mean faster charging? I was under the impression that the controller's job is to pretty much take whatever electricity is coming from the solar panel and then “standardize it” to whatever the battery can handle, kind of like a funnel so to speak.

One other related question, would this change if I were to connect say 6 batteries in parallel or woudl it still require the same amount of wattage for the charging process?

Las respuestas de expertos:

Your 600 watt AC will need about 1800 watts of power for start-up. This surge is only about 2-3 seconds. Then the running watts at 600 is okay. These motors take a lot of extra power during start-up. So your inverter needs to be able to accommodate that surge. The batteries can fill in that surge, so your solar panels don't have to be that big in that sense.

But here's the kicker. You'll probably use your AC during the day time, the same time your solar panels are charging the batteries. The battery system would normally provide power during the night or cloudy days when the solar panels are not effective. The solar panels would normally provide power to the AC and recharge the batteries during the daytime when they are effective. The solar panels should be able to provide a minimum of 2400 watts during the time they are effective. They can charge the batteries when the AC isn't running. Depending upon where you live, solar panels may be effective for about 5-6 hrs per day unless you can orient the panels directly toward the sun as the earth rotates on its axis.

120 vac @ 5 amps = 600 watts
12 vdc @ 50 amps = 600 watts. You'll need solar panels that can provide 50 amps just to run the AC during the day. Then additional capacity of about 40 amps to recharge the batteries. 40 amps @ 12 vdc = 480 watts for 5 hrs will give you 2400 watts

So, unless my numbers are wrong, your solar system may have to be as much as 100 amps at 12 vdc = 1200 watts in order to run your AC off grid and still recharge the batteries.

Betty asks…

Am I a Democrat or Republican?

Ok. I'm 13, and basically am just trying to figure out the political party my views fit in with best. I think I'ma Democrat, and that's what most quizzes I've taken have said, but I want a larger amount of people to take a look at it. Without further ado, here are my views on certain subjects.

I generally think that abortion is wrong, but I would NEVER take away a woman's right to choose.
I believe that Obamacare is a good thing.
I believe in welfare programs.
Gay marriage should definitely be legalized.
Affirmative action should be perfected. I believe that someone more qualified should have the job, not the minority.
I believe in a progressive tax rate. The highest bracket should be at almost 50%, with the lowest near 0%.
As for prayer in schools, I think that a student should have the right to be excused from class if he/she wants to pray, but no school should ever mandate prayer.
I would like us to move towards more renewable energy and hybrid cars.
I believe in an absolute separation of church and state. I don't even like it when candidates say, “God bless this land,” at the end of a speech.
Thanks for all the answers. Oh, and to the person talking about socialism and evolution, I am not a socialist, and I believe in evolution. We are humans because of a series of mutations over millions of years, NOT because God created a bunch of different animals.

Las respuestas de expertos:

I would say you are on the Left. You seem to hold a lot of positions that are really easy to hold as long as you don't have to pay for them. It would be interesting to see if your views change at all once you start paying taxes. Good luck to you in any case.

Ruth le pregunta ...

Is The government handing out nearly $2 billion for new solar plants to create jobs Bad?

Obama awards $2B for solar power, hails new jobs

Obama hands out $2 billion for new solar plants, says money will help create thousands of jobs

The government is handing out nearly $2 billion for new solar plants that President Barack Obama says will create thousands of jobs and increase the use of renewable energy sources.

Obama announced the initiative in his weekly radio and online address Saturday, saying the money is part of his plan to bring new industries to the US

“We're going to keep competing aggressively to make sure the jobs and industries of the future are taking root right here in America,” Obama said.

The Obama administration says those projects will create more than 2,000 construction jobs and 1,500 permanent jobs.

Obama said that while it may take years to bring back all the jobs lost during the recession, the economy is moving in a positive direction.

The unemployment rate dropped to 9.5 percent.

Obama has said that to bring the nation's economy back from the brink of a depression, it was necessary to add to the country's debt in the short term.

Las respuestas de expertos:

It is an excellent idea … Solar energy is the way to go … 2 billion dollars is a great start to put us at the forefront of an energy source which is clean and green and which can't be carted offshore for cheap labour … !

We have sunshine in abundance in states like Arizona, California, new Mexico, Texas etc etc so not only would we not have to rely on other countries but existing manufacturers IN the US would cut down on production costs AND we could sell the results of any scientific breakthroughs overseas … So it's a WIN WIN WIN situation.

The only fly in the ointment will be the powerful oil lobby groups who won't like the status quo being upset at the expense to their obscene profits … !

Michael asks…

How are todays landfills for economical and efficient. What would happen if America didn't have landfills?

-what items can be recycled (as in when you take your recycling bins curbside) what goes to landfill? I know pizza boxes, hangers, paint cans, anything contaminated either with food or chemicals can't be… I don't think. Why is it better to put it in the landfill?

I've heard if you throw a plastic bottle in the land fill it can last a thousand years?! Is that true. I read there is a new thing called bio-reactor landfills. These types of landfills use moisture as a method to enhance the waste degradation process. Have you heard of a bio-reactor? ¿Cómo funciona?
Studies carried out by EPA have suggested that by operating a landfill as a bio-reactor there is an increase in settlement of the solid waste as well as an enhancement in the methane generation rate of approximately five times that of conventional landfills. Overall, technologies developed under this program can extend the utility of municipal solid waste landfill space and produce a viable source of renewable energy .

I'm looking for information of how landfills today are economical and efficient.

I keep finding a ton of info on recycle, and zero-waste. But everything can't be recycled can it? What happens to those materials/items? What would happen to America if we didn't have landfills.

Las respuestas de expertos:

Landfills are likely a necessary part of life – at least for the foreseeable future.

You mentioned pizza boxes, things with food on them – these can actually be composted, as opposed to “recycled” or landfilled. There are a growing number of companies that are latching onto this niche – especially in large suburban/urban areas where there is a need/market for such services – and a healthy supply of compostible material. Some government agencies are setting goals for a certain percentage of their waststreams being diverted for composting – significantly reducing the actual trash haul.

Bio reactor landfills do provide a benefit – as in the methane gas they produce which can be collected and utilized.

Someone mentioned planting trees to help stabilize landfill areas – I'd caution against this, as tree roots may penetrate liner layers of the landfill, allowing for unwanted releases or inputs of of percolating liquids.
Grass and small shrubs can hold soil pretty well – hence the standards for maintaining vegetated landfill caps.

Robert asks…

What will America/the world be like when humanity runs out of carbon fuel?

By now, most scientists are beginning to realize large scale renewable energy (such as solar, wind, etc) isn't going to be possible (at least not before we run out of carbon based fuels). So, what the hell are we going to do? What will America be like when the people who live in the suburbs don't have the gas to make it to the city? What will New York City be like with sky high food prices and shortages? How will YOU survive the Apocalypse if it comes in your lifetime? We've already passed our peak for oil and natural gas, and with consumption at the rate it is, it is likely we will run out soon or begin to see amazingly high gas prices.

http://en.wikipedia.org/wiki/Hubbert_peak_theory#Natural_gas

You all realize of course that ignoring the problem or saying it probably won't happen won't keep it from happening right?

Las respuestas de expertos:

The environmental consequences of continuing to use fossil fuels will claim human civilisation before carbon fuels run out completely, assuming that the world continues to consume such energy resources it at its current rate. At the moment, that looks like a pretty safe assumption.

Renewable energy sources are indeed feasible, (http://www.bullfax.com/?q=node-renewable-energy-feasible-group-says) but their implementation would require a gigantic change in the way that the resources of the world are managed, a change that the powers that be are basically not willing to make. By “the powers that be”, I mean the world's most powerful industrialists and corporations.

In any case, I think there are some tough times for the human race coming up this century. Civilisation as we know it may well fall deeper into chaos, famine and war, but perhaps at least some of humanity may be able to survive and eventually see better times. At the moment, most people in the world are just trying to survive day to day, and are unaware that our global society is about to casually walk over the edge of a cliff.

Desarrollado por Yahoo! Respuestas

Tags:

Your Questions About Wind And Solar

May 13, 2012 by
Filed under Wind And Solar Q & A

Ruth le pregunta ...

Have you ever gotten 3 estimates to put solar PV on your house w/ power company rebates and a 30% tax credit?

In CA, you can lease a system, for only the cost of your electric bill at today's rates . That certainly affordable. You lock in the rate you pay today, no power rate increases. The system is warranted for 25 years, is connected to the crid and sized so the power company provides your power in bad weather and at night. Or you can buy the system, pay it off in 8-12 years and have free power from then on. Why do people say solar PV is not viable? Solar is more efficient in colder temperature. Voltage increases as temperature goes down. There are a lot of misunderstandings about solar. The federal tax refund, is like tax deductions for mortgage interest, allowable and your right to use. Renewable energy is not Partisan, it's sensible and saves you money. Why not get a few estimate and find out what it really costs, and how it really works?

Las respuestas de expertos:

Republicans would rather we subsidize already profiting industries like oil. Then oil/military contractors lobby our government to get us mixed up in wars in the middle east. Irresponsible oil regulations lead to oil spills. It's a giant clusterfu*k proving conservative economic policy is a failure.

Laura le pregunta ...

earth sci help! please thanks!! best answer! =)?

8. Between 1930 and 2000, human population rose by _______.
A) 50%
B) 150%
C) 300%
D) 500%
9. At current production and use rates , it is estimated that all of the known oil in the world will be used up in approximately _____ years.
A) 15
B) 40
C) 85
D) 140
10. The United States consumes approximately ____ more energy per person than the global average.
A) 2 times
B) 4.5 times
C) 8 times
D) 9.5 times
11. Which of the following is NOT a renewable energy resource?
A) Solar
B) Wind
C) Clean Coal
D) Tidal
E) Hydrothermal
12. Which of the following is NOT a fossil fuel?
A) Coal
B) Nuclear
C) Gas
D) Oil

Las respuestas de expertos:

8. Between 1930 and 2000, human population rose by _______.
A) 50%
9. At current production and use rates, it is estimated that all of the known oil in the world will be used up in approximately _____ years.
B) 40
10. The United States consumes approximately ____ more energy per person than the global average.
A) 2 times
11. Which of the following is NOT a renewable energy resource?
C) Clean Coal
12. Which of the following is NOT a fossil fuel?
B) Nuclear

Hope this Helps!

Carol le pide ...

How to reduce the USA federal budget deficit? A spending freeze, is that really a serious approach?

A serious freeze on 17% of the budget while the big spending items like the military are not frozen? Is that a real serious approach to deficit reduction?

What about returning income tax rates to what they were about 30 years ago or so on the top 1%?

The other issue is …..how does stopping domestic spending help create jobs? I thought it was common knowledget that one way to stimulate spending and therefore the economy is to have public works projects..like road and highway building and repairs, and same for bridges, dams, and other infrastructure? what about the renewable energy type projects they talked so much about during the election campaign of 2008?

Anyone else like me think that the Obama administration seems to have not conviction…no real belief? certainly not belief in the reform rhetoric they were shouting out during last campaign season. Since when is a 59 to 41 majority in the senate a handicap? since when is a huge election victory last election a handicap? And why the heck is Joe Lieberman chairman of anything right now anyway?

I voted for Obama and Democrats last election…….and like many people who did am getting pretty pissed off. Before you Republicans get too excited, yes I am bashing Obama and Democrats, but it will be cold day in hades before a Republican gets my vote…cause they are even worse.

Las respuestas de expertos:

The military is only $600 billion out of a $3.2 trillion budget. The other $2.6 Trillion is for unconstitutional domestic programs like Medicare, Medicaid, Social Security, etc. Our deficit for the year will be more than $1.4 trillion, so even if you cut the military budget to $0, we would still have an $800 billion deficit.
I don't know you liberals always want to cut the military, when it is a tiny fraction of our spending and it is actually authorized by the Constitution (article 1).

Domestic spending does not create jobs, it just relocates them. Those public works projects are paid for by tax dollars taken out of the community. In other words, the government takes $1 billion in taxes out of 1 community, and then uses that money to build a bridge in the next community over. They didn't create any jobs by doing that, they just moved them from 1 place to another.

You sound like you are making an attempt to be objective, which is more than I can say for most Democrats. However, you are seriously misinformed and need to educate yourself.
Step 1: read the Constitution. Pay special attention to the 9th and 10th amendments.
Step 2: take into consideration how the government works. Everything the government does is done by law, and law is backed by the use of force.

Marcos pide a ...

Would you rather live in a society with no money if it was possible?

this is a little hypothecitcal – would you rather live in a world without money? Imagine if we could harness technology to produce our food and housing and basic needs, used 100% renewable energy such as heat from the earths core. Having no money would also change the schooling system, instead of teaching children to pass exams, to earn passage to university, to earn more money, we could school children to be good human beings and inventors.

Do you think this would reduce crime and war in the world or do you think that humans would find something else to fight about?

Beart in mind that poorer areas of cities and towns ALWAYS have higher crime rates than richer areas, and that all wars are fundemently wars to get control of resources which equal, money.

Maybe a better question would be – does money cause the crime and suffering in the world

Las respuestas de expertos:

Omg I feel the same way in a certain point. I have a dream that one day we will make robots and machines that start by planting the seeds to the food and delivering to our laps. There would be no money because everyone will have everything they want on demand. In school we learn to make more things for the future. All people will do is hang with family and have fun and vacation 24/7. This is a true dream of mine that i believe could happen, its not even difficult.
My idea comes from that true human happyness comes from the most simple and primal things. Food family love freindship relaxation and being with groups, comunication and learning. So have life revolve around that. People do as they wish, with simple rules that protect. And the machinary will take care of the work.

Sharon pide a ...

What measures have the UK government taken to reduce CO2 emissions in industrial/transport/retail sectors?

I genuinely do not know.

They have targeted the housing sector heavily; HIPS, Energy Asset Rating and the constant drives for us to have renewable forms of energy and energy efficient light bulbs.

The problem is, energy wastage in homes is absolutely dwarfed by the wastage in other sectors.

Does anyone have any idea at all how insignificant fitting energy efficient (compact fluorescent) lamps are, when the massive Debenhams in Bond Street has it's entire facade covered in what appears to be standard GU bulbs for Christmas? (one of thousands of such stores)

Heated stores always having their door open; Lights on 24 hours even when the stores are closed. And do not get me started on Transport and Industrial sectors.

Am I the only one who thinks the heavy targetting by the government of energy efficiency in homes is totally misdirected? Focus on the retail sector at least!!!!

Las respuestas de expertos:

Hi oms

not sure of the specifics on the government measures
but i take your point
i did read about a new energy efficient paint… Keeps homes cool in the summer and warm in the winter…

Science is there anything it can't do!!! Yes loads but nevermind lol

William asks…

Why aren't we harnessing our own energy?

Why are we not drilling our own non- renewable resources while developing new technologies that will enable energy independence in the future?

We have a vast supply of Natural gas.

http://www.naturalgas.org/overview/resources.asp

We have a vast amount of land we can use for wind energy .

http://www.windpoweringamerica.gov/wind_maps.asp

We have areas of the US mainland where drilling is prohibited. Why not use these? (with regulations, we can keep both tourism and the oil industry safe)

http://upload.wikimedia.org/wikipedia/commons/5/54/758Syms2006OCSMapWithPlanni.png

Are we developing new weapons? At the rate China is developing, a nuclear warhead will be like TNT in the future.

We have a vast amount of deserts where no one lives, where the sun's energy could be harnessed for miles.

Compare the ISS with China's new space station to be completed in 2020.
China: http://i.space.com/images/i/12419/original/china-space-station-design-art.jpg
The ISS: http://upload.wikimedia.org/wikipedia/commons/3/37/STS-135_final_flyaround_of_ISS_1.jpg
Theirs looks a little bigger. And they will have it completed in only 8 years. The ISS (which is not ours) was completed in 14 years.

Soon China will become the world leader in technology (if their not already!).

Las respuestas de expertos:

Unfortunately, the US is still caught in historical uses of energy only. We are not as progressive because we are an older country with vast common resources. Any progressive energy used must rely on observing actions of poorer third world countries. The greatest country to study is Brazil.

Donald pregunta ...

If you want to rely on solar electricity exclusively, how many solar panels will you need to buy?

Solar energy is one of the most important components of a renewable energy future. Your parents are considering installing photovoltaic cells, which convert the sun's energy directly into electricity, on their roof, and have asked for your help. You do some research and learn that, on a sunny day in Idaho, sunlight at the earth's surface provides about 0.75 kilowatt/m2. Solar panels have an area of 0.5 square meter, operate at 10% efficiency, and cost $63. Your parents use electricity at a rate of 2 kW.

1. If your parents want to rely on solar electricity exclusively, how many solar panels will they need to buy? How big must their roof be (in feet) to hold the array of panels?
2. If electricity costs $0.08 per kilowatt-hour, how long will it take your parents to recoup their initial investment?

Las respuestas de expertos:

Since there are 24 hours in a day, to be completely off-grid you also need battery back-up, a charge converted, and an inverter.

Buut I digress.

I think the questin is asking how to generate peak power of 2 kw

1 solar panel generate
.5*0.75*0.10 kw
0.0375 kw

for 2 kw
2/0.0375

54 panels

the square footage is 27 m^2

291 square feet.

The cost is 54*63
$3,402

at 2 kw/hr

3402/(2*0.08) hours

21262 hours

_____________________-

Juan pregunta ...

Why Germany has it so good while America is going down?

. The European Union, 27 member nations with a half billion people, has become the largest, wealthiest trading bloc in the world, producing nearly a third of the world's economy — nearly as large as the US and China COMBINED. Europe has more Fortune 500 companies than either the US, China or Japan.

European nations spend far less than the United States for universal healthcare rated by the World Health Organization as the best in the world, as US health care is ranked 37th. Europe leads in confronting global climate change with renewable energy technologies, creating hundreds of thousands of new jobs in the process. Europe is twice as energy efficient as the US and their ecological “footprint” (the amount of the earth's capacity that a population consumes) is about half that of the United States for the same standard of living.

Unemployment in the US is widespread and becoming chronic, but when Americans have jobs, we work much longer hours than our peers in Europe. Before the recession, Americans were working 1,804 hours per year versus 1,436 hours for Germans — the equivalent of nine extra 40-hour weeks per year.

People in the countries that are in trouble now economically were the ones willing to go to Iraq — and there is a connection. These are the countries that were much more inclined to go the American route, going into debt heavily, using housing speculation as the engine of the economy, and opening their economies big time to global bank debt and finance.

Goldman Sachs poured tons of money into Greece, and other New York, London and German banks poured money into Spain. None of the bubbles occurred in Germany and in the “old Europe” that Donald Rumsfeld wrote off. Part of Europe is in trouble to the extent — and only to the extent — that it's involved in the American model. Those countries most resistant to the American model are doing fine.

Las respuestas de expertos:

Sophie's right. But I don't think we're suckers and I think if you want to be Europe, move there.

If we are correct about the danger of radical Islamic terrorism, we are right to mortgage our future to rid our world of this danger. Unless you think you would look good in a burka.

Susan le pregunta ...

Would you agree that it is the Conservatives and Libertarians that actually care about the environment?

Considering the fact that Conservatives and Libertarians largely support Nuclear energy – a vital importance to solving climate change– unlike liberals who still think renewable energy is the way to go (lol).In the 1980s, we were commissioning 40 new nuclear power plants a decade. If we kept building at approximately that rate, we would have the share of electricity generated by coal and nuclear almost reversed today. Instead of it being 20 percent nuclear and 50 percent coal, it would be 50 percent nuclear and 20 percent coal. Who would argue that from an environmental point of view that wouldn't be a better situation?
I don't care about what that idiot Glenn Beck said.

Las respuestas de expertos:

The worst polluters in modern times have been socialists: the USSR and China are the best proof of that.

Liberals ban us from using the most environmentally friendly scource of energy known to mankind: nuclear power. They pounce on every nuclear mishap, such as is occuring Japan, to condemn nuclear power regardless of evidence like this:

-For over 40 years after WW2 we tested nuclear weapons — in Nevada! Atom bombs, hydrogen bombs, ground level explosions, under and over ground explosions, high altitude explosions. Other than a few health anomalies for those who lived near the test sites THERE WERE NO CALAMITIES IN THE SURROUNDING STATES RESULTING FROM NUCLEAR FALL-OUT! No mass radiation poisoning, no fingers falling off – nothing!

-The harm resulting from Chernobyl, it turns out, was only in the immediate area, even though the nuclear fallout reached hundreds of miles beyond. Today the “no-go” zone around Chernobyl is 19 miles, leaving Russians with a mere 6,600,000 square miles to live in. Presently the no-go zone around Japan's damaged nuke plants is 13 miles — 13 miles! Oh, my God, how will they survive? It's hopeless!

-Seen any pictures of Hiroshima and Nagasaki lately? Both are thriving metropolises, right on top of their “Ground Zeroes.”

-Casualties resulting from the Three Mile Island leak? Cero. (More people have died in Ted Kennedy's car than all US Nuclear mishaps combined)

Socialists regard us as witless children, spring-loaded to panic, at their self-serving command. They use panic (over manmade global warming, second hand smoke, overpopulation) and now Japan's nuclear power situation, to banish clear thinking. Then they assume their self-righteous role of savior, growing government as fast as they can. Their goal? One world socialist government ruled by rapacious elitist seekers of ultimate power.

Socialism is religion. There can be no reasoning with religious zealots.

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Your Questions About Wind And Solar

May 12, 2012 by
Filed under Wind And Solar Q & A

Sandra asks…

Is anyone in Houston using Spark Energy? Anyone have problems?

I haven't been able to find any reviews and would appreciate any opinions from people who've either tried to sign up or are with them now, or have had them and switched. They seem to have the best rate, especially for the 100% renewable plans so it seems too good to be true.

gracias!

Las respuestas de expertos:

I have had Spark for 3 years and I have no issues with them. My bill is automatically deducted from my checking account and I have never had a problem with billing.

Sandy le pregunta ...

Recall when barry said that under his plan, electricity rates would “necessarily skyrocket”? Is LA there?

Households that get their power from the Los Angeles Department of Water and Power could see their electric bills go up between 8.8% and 28.4%, depending on where they live and how much energy they use, under a plan unveiled Monday by Mayor Antonio Villaraigosa.

Appearing with labor and environmental leaders, Villaraigosa said the proposed increases would ensure that the DWP meets his goal of securing 20% of its energy from renewable sources such as wind and solar by Dec. 31. http://www.latimes.com/news/local/la-me-dwp-rates16-2010mar16,0,7870063.story

Las respuestas de expertos:

What effect will a thirty percent increase in energy costs to the average hospital be?
An increase in the cost of medical care?
Everything this administration has done or is proposing to do increases cost for every American.
And just wait for the massive inflation when they start to monetize the debt.

Richard asks…

Why are so many people concerned with the rate in which the crude oil reserves of the planet are being used?

Only once the non- renewable energy sources are depleted will the science of renewable energy thrive. Drive large vehicles, waste electricity, you will help get us there sooner.
Selfishness and greed are not answers or excuses.

Las respuestas de expertos:

IN a convoluted way, you are making a very good point. Isn't it sad that we change only when forced to? Our consumption of oil is/has produced profound changes to our world…a world that we have no choice but to live in. The greenhouse effect is growing daily, the powers-that-be are so short sighted they do nothing in the serious face of reality. WE are in for some very drastic consequences of our use of oil, and the entire planet will pay heavily for it shortly. In our lifetime, absolutely.

Lizzie le pide ...

What would your tax policy be if you were president?

Esta es la mía. Please comment on yours.
-First, a flat tax is the dumbest idea ever and the Bush tax cuts were terrible.
-I am in favor of cutting taxes for everyone. However, 35% should be the minimum government should tax millionaires.
-I feel that the corporate tax rate should be lowered. American businesses need to get competitive with other countries tax codes. Therefore, I'd lower it to 25% and companies involved in renewable energy projects should get a tax rate of 0%.
2nd, I'd lower interest rates , dividends, and capital gains tax on middle income families making $100,000 or less.
3rd, I favor the current capital gains tax. I think America needs to encourage investments. Therefore, I wouldn't change that.
¿Qué piensa usted? It's a mix of republican values and democrat values.

Las respuestas de expertos:

I like your list. As far as the corporate tax rate, the reason it's 35% is because loopholes prevent anyone from paying even close to that. So 25% is SUPER low, unless you toss out a bunch of the loopholes. I'd also support a minimum corporate tax rate. Even a 5% minimum would mean some tax revenue from companies that haven't paid in quite a long time.

The capital gains tax is hard. I definitely think we should encourage retirement investments. Especially since, in the last decade, market philandering has left some of us quite short in our savings. Suspiro. Por otro lado. Mitt Romney makes more money in a day, doing nothing, than most Americans make in an entire year. It seems unfair that he pays so little taxes. So maybe raise capital gains taxes at an elevated income. I'm not suggesting that he pay as much taxes as a working American, but under 15% seems drastically unfair.

Just because something is simple, doesn't make it better. But just thinking about tax code makes me want to burn it all and start over. As president, I would want taxes to be more accessible.

ADD: Iron_Plague, why is it so stupid? What would your tax policy be if you were president.

Santiago pregunta ...

How would I be categorized politically?

I support unborn rights and would support a pro-life amendment to the constitution, with the only acceptation for the mother's life.

I would abolish the department of education because it's a local and state level responsibility.

I support the right to bear arms, concealed weapons licenses, hunting, stand your ground laws, etc.

I support a 2 strikes and your out drunk driving law.

I support a his body his choice law banning infant circumcision unless it is to treat a legitimate medical condition.

I support the decriminalizing of marijuana because it is less harmful than alcohol.

I think the drinking age should be 18 to match the age of adulthood.

I think it is of the highest urgency to become and stay energy independent.

I support nuclear power and increasing the number of nuclear power plants across America.

I would push the auto makers to make electric cars available for drivers who want them.

I would set and push for goals of energy independence, curing cancer, and paying down the nation debt.

I oppose the endangered species act because it has failed to protect one species and has only given government control of people's land.

I would raise the levels of fines on employers hiring illegal aliens.

Homeland security should only be used as an anti-terror agency and criminal law enforcement should be handled by other agencies.

I don't believe there is such thing as a gay marriage and think we should give them the same privileges that comes with marriage but call it something else.

I think capitalism is the greatest antipoverty tool the world has ever seen and encourage the economy, not put outrageous taxes on it.

I don't believe humans are warming up the Earth but I think we need to clean up some of the messes we are making such as air quality.

I believe in a small federal government. I don't think the general public should even notice the federal government unless they visit their local military recruiter or post office.

No more ethanol, it causes higher grocery bills and less MPG.

I support Boone's plan.

I support the rights of nudists to live their lifestyle on their privately owned property without the government telling them they must put clothes on.

I am a Christian but don't think it's the government's job to push morality, I think morality must come from the people up. Not the government down.

I support net neutrality, and oppose bandwidth caps.

I would revert our copyright laws back to that of the Webster and Benjamin Franklin years: An item can be copyrighted for 14 years, renewable once, then falls into public domain.

We allow men to go out in public shirtless. I support amending the law allowing both genders to do the same. One gender shirtless is discrimination. I support women's rights to breast feed in public. That is the function of the breast. I don't think anyone has ever been harmed for seeing a breast.

I think smokers should be required to pay their own way when they get cancer and heart disease. Not get public money to fight a self imposed condition.

I would allow people to own their social security accounts and allow them to invest in a Roth IRA within their social security account so the people may build a nest egg to retire on. Each person will own their account and congress may never dip into it.

I would make it illegal for credit card companies to raise interest rates , at will, with no delinquent activity: banning universal default.

Absolutely, no more national debt. No more borrowing.

I believe terminally ill patients should be allowed to take experimental drugs that have yet to receive FDA approval.

Lets get rid of the IRS, replace tax system with flat tax or national sales tax. The IRS and current tax code only exists to control people.

I oppose taxes on broadband internet access, sales tax on in items bought online, and regulation of online content.

I don't believe our government is up to the task of providing national heath care and it's much better off left in the hands of the private sector.

I think adults should legally be able to take steroids for body building if he is not competing in competitive sports.

I think daylight savings time should be expanded to a year round project.

I oppose the government regulating the content of literature, films, video games, etc.

Las respuestas de expertos:

Well im not sure what to call it, but
I agree with 80% of that.

Juan pregunta ...

Comparing & Contrasting: Iceland and Finland?

I have been researching and reading a lot about Finland lately and I have made almost a 100% decision that I want to move there for my Master's degree and to pursue an Engineering career (after I'm finished with a few years in the States for my Bachelor's degree). I already know a lot about Finland from the things I have read, such as:
How technologically advanced it is
How the people are very shy and quiet but also are very friendly and cooperative with one another
How little corruption it has
How effective their education system is
Their excellent fluency in the English language
Their scientific and mathematic literacy
Their fairly low poverty rate
Their use of renewable energy and preservation of their environment
Their civil rights, including freedom of press, freedom of speech, freedom of religion, democracy…
Their national pride
etc. etc.

However, I have just recently become interested in Iceland and I have to say I am very impressed with it. Of the things I listed above, how does Iceland compare with Finland? I would also like to know how their job openings in the engineering field compare with Finland (since from what I've heard, there aren'ta lot in Finland at the moment). I'd also be curious to know their relationship with the rest of the world (since I know Finland generally keeps to themselves) and the climate there (yes, I know it's cold as hell, but I've heard that the summer months in Finland are usually fairly nice).

Final note: I know the Icelandic language is extremely difficult to learn, and how most people say it's one of the most difficult in the world. That's why I'm interested in their fluency in English because I want to know how long I can get with English alone (I'm usually not bad with picking up languages through immersion).

Las respuestas de expertos:

Hola

All Icelanders speak English more or less fluently. They start studying the language when they're 10 and it's their 1st foreign language of 2-3 (depending on their level of education).
I would expect the Icelandic language to be easier to learn for an English speaker as both languages are Germanic and share a certain vocabulary and grammar while Finnish is Finno-Ugric and has little or nothing in common with the Indo-European languages (French, English, German, Russian, Indian, Icelandic etc.).

I'm not entirely sure I'm qualified to compare Iceland to Finland as I'm much better informed about my own country than the other.Therefore, I think I will describe Iceland in accordance to the list and give you the opportunity to compare them.

How technologically advanced it is
World innovation champions ;)

http://www.businessweek.com/innovate/next/archives/2010/03/once_upon_a_tim.html

How the people are very shy and quiet but also are very friendly and cooperative with one another
Icelanders are generally more outspoken than shy in my opinion, but I have heard both things from tourists; that Icelanders are closed and not very talkative and that they are open and friendly. I guess it's very different between individuals and hard to declare something about a whole nation.

How little corruption it has
The whole financial sector used to be very corrupt (and more corrupt than people generally realized), but it has changed a lot after the crisis.

How effective their education system is
Around or over 30% of working people have a university degree and a lot of emphasis is put on maintaining equal opportunities for everyone, “irrespective of sex, economic status, residential location, religion, possible handicap, and cultural or social background”.

Their excellent fluency in the English language
Considerable excellency, if that's any sort of an answer.

Their scientific and mathematical literacy
Well below Finland actually. According to statistics Iceland ranks similar to Denmark.

Their fairly low poverty rate
Like in other Scandinavian countries poverty is almost non-existent.

Their use of renewable energy and preservation of their environment
Around 81% of primary energy is derived from renewable sources, hydro power and geothermal and the country's goal is to be carbon and oil free by 2050.

Their civil rights, including freedom of press, freedom of speech, freedom of religion, democracy…

Http://www.nationmaster.com/red/country/ic-iceland/dem-democracy&all=1

http://www.nationmaster.com/graph/eco_eco_fre-economy-economic-freedom

http://www.guardian.co.uk/world/2010/feb/12/iceland-haven-freedom-speech-wikileaks

Their national pride
Icelanders are big on national pride (perhaps profusely). A part of the Wikipedia article about the culture of Iceland says: “Yet, an important key to understanding Icelanders and their culture (and which differentiates them from the majority of their contemporary Nordic peoples) is the high importance they place on the traits of independence and self-sufficiency.”
Icelanders are generally very proud of their language, history, nature, culture, music, handball team etc.

To demonstrate that pride I will finish my answer with two videos ;)

Best wishes to you :)

Edit:
I wouldn't say there were no jobs in Iceland. Unemployment rate is approx. The same in Iceland as in Finland (8.5%) – which is actually 4 times what it used to be. And the government is trying to restore the economy by investing in education and innovation.

Linda pregunta ...

Why do people say solar panels are too expensive when in CA they lease/install at current electric bill rate?

If your electric bill is $200. you can lease a Solar PV system in CA, and pay $200. for 20 years. No raising of rates !!! No C02 or pollution to offset. The Panels are warranted for 25 years. Yet, so many here buy into the ignorant idea, solar is not viable, it's too far off, why is that? Glen Beck said so? Check rates in your area. 21 states have incentives. If Oil and Defense get corporate welfare solar incentives are fair. The main components are silicon (same as computer chips), metal and glass. It's a no brainer. The ones trying you to convince you it's not realistic are Petroleum companies, ever wonder why?

Database of State Incentives for Renewable Energy

Las respuestas de expertos:

That is all relatively new many people are not aware of the incentives.

Sharon pide a ...

Science report help! (year 7)Fossil fuels etc?

Ok i have almost finished my report but there are a few things that i need to include but i don't know the answers.I have tried browsing the internet but i can't find anything.The report is based on Fossil fuels and renewable energy sources…

1. Explain how animal waste can be used as a source of energy .Write a balanced equation for the reaction that produces the energy .(you don't have to write out the equation but a few facts and notes would help for this one please)
2.Which of these are renewable sources of energy ? a) the sun, b) rainfall, c) the wind, d) the tide, e) hot rocks, f) biomass.
3.the importance of fossil fuels and their products in life
4.How long fossil fuels are likely to last at the present rates of consumption.
5.Pollution problems involved in the use or fossil fuels.
6.How recycling plastics etc can help us to save fossil fuel.

Thanks if you just know the answer to one it really would help.

Las respuestas de expertos:

Hey i hope these help

1. Combustion, you know burning it to create heat that boils water and then the steam turns turbines
2. All are sources of renewable energy
3.Fossil fuels have fuelled our growth from the industrial revolution to plastics and oil for cars and power stations.
4.Natural Gas and oil will last for another 50 years or so and Coal has alot longer as we don't use so much of it.
5. Carbon dioxide released into the atmosphere causing green house effect and sulphur dioxide also released which causes acid rain
6.We can use less oil to make the fractions we need to make plastics meaning that we can save the reserves of oil we have by reusing what has already been made.

Robert asks…

Do you think that someday as many homeowners that own cars will own the Solar PV power plant on their roof?

Seems to me that when cars were first invented and people owned horses, and buggies and carriage houses, they denied that cars were reliable and worth the investment. Here in CA you can buy a solar PV system, it's connected to the power company with a bi-directional meter, it's sized so that you get your power from the power company at night and bad weather, and they buy your excess power when your family is at work and school. NO BATTERIES unless you want back-up power from the grid. Most don't have batteries. Then there is CSP, those giant trough-like concentrated solar power plants in the desert. I square mile of CSP could power the country. Sure we'd have to update the grid. The biggest resistance is coming from the Nuclear and Petroleum industries. They want you to think those are better options. Nuclear is a dead end game, we don't need it and it's too dangerous. There is a 30% Federal tax rebate — NOT A SUBSIDY — no more than any other allowable deduction is a subsidy. The power company in many states like CA, NJ, NY and 21 States will also pay a big portion of your initial cost? ¿Por qué? They get to buy the excess power from your roof cheaper and locally. It's win/win. If we manufactured here, and people bought the systems like they do cars, the market would drive the industry. Solar, Wind, Hydo, Tidal these are the future of energy and they are renewable . Oil is half gone refered to as “Paek Oil” they will squeeze every dime of profit before it's gone. Would be better to see to it petroleum lasts longer. Corn ethanol is a loser but switch grass ethanol is a winer, made from weeds. Why is corn ethanol pushed instead? The corn industry. It's corporatism driving what is really best into the ground with misinformation and propaganda to head off the emergence of Renewable Energy which is the best way to go. Solar PV on your roof is distributed solar (not a huge power plant) depending on where you live and your local power rates the payback can be 8 years, warranted for 25 years, that's 17 years of free power. The current energy industry is dead set against US buying into that reality, hence all the misinformation. I know a family who has solar and wind turbines. The turbines work great in winter and the solar work great in summer, they sell excess power to the power company and get power when the solar and wind systems are not at their best. Works great and saves them a bundle. That's in CO.

Las respuestas de expertos:

Yes I think solar panels will be the new and upcoming thing, My uncle was a roofer and has upgraded to installing solar panels once people catch on to how much better they are for our earth and cheaper they are in the long run everyone will be getting them, hopefully that answers your question I just ready the title.

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Tags:

Your Questions About Wind And Solar

May 12, 2012 by
Filed under Wind And Solar Q & A

Helen asks…

Should I take a 50% increase on my energy bills for the sake of the planet?

And that's just my bill. No telling what it will do to businesses whose energy bills are more than 10 times mine.

The governor of California is mandating that energy companies provide electricity that is produced by 30% renewable sources such as solar panels and wind turbines.

These companies will raise energy rates so they can collect the money needed to invest in these additional energy sources. By the way, it would cost me $15,000 to solarize my house. Given my current energy bills, it would take more than ten years for my panels to pay themselves.
Roadrunner: You bring up another point. The governor promised 500 thousand “GREEN JOBS”, which were supposed to include solar panel factories.

He promised the jobs, but I guess he didn't promise them in California

Las respuestas de expertos:

I love everything about California, except the political culture and they are the FUTURE!? California will be left by workers and businesses alike…leaving the scum behind. Maybe some of them will leave and this state will be great again!…here's to hoping.

Michael asks…

How much oil do we have left?

Also, when will it all run out if we continue drilling at the rate we are now and which renewable energy source is most likely to rule supreme once petrol and diesel is no longer an option?

Las respuestas de expertos:

According to peak oil theory we have about half of the available supply left to us. Like some slush drink so far we have sucked out about 1/2 the available liquid. Now increasingly what is left is mixed with the ice and may be harder to remove.

But how long it will last will depend upon our usage. We could switch to alternative modes of transportation and heating for our buildings. This would eliminate 90% of our oil usage. The remaining 10% of our usage would then have about 10 times the supply to draw from and may last ten times as long as our present usage.

Or as we could continue to use oil as the primary fuel for transportation and a significant fuel for heating. If India and China try to pursue an oil economy like the US, each with 4 times our population the supply may last only 1/10th as long as our present rate of usage assuming we could sufficiently increase the flow.

Increasing the flow (adding more wells ie “drill baby drill”) is like putting more straws into our slush drink. It does not increase the ultimate supply, only the flow. The amount of liquid remaining in our drink is constant, but we can be conservative or use it as fast as possible.

The world has been moving to electrical based energy usage for over 100 years and away from fuel based energy usage. Electrical energy storage and wireless energy transfer are the technological hurtles that will soon be resolved and implemented. Electric vehicles are inevitable. Wireless energy transfer could expand their usage even today: http://www.iav.com/us/index.php?we_objectID=15760

Mandy le pide ...

Should politics be one big game or should it be for the benefit of the people? What say you?

In its first 40 hours, the new majority of the House of Representatives kept their promise to voters and passed legislation—increasing the minimum wage for the first time in a decade, empowering Medicare to negotiate lower prices on drugs, cutting interest rates on student loans in half, revoking big oil subsidies and using the money to invest in renewable energy —that provided a down payment for a new direction for this country.

These bills are overwhelmingly popular, and are simply common sense reforms. Yet every one of them—and many more—got held up in the US Senate.

Conservatives boast about the “success” of their strategy in discrediting the new majority. As Senate Minority Whip Trent Lott, R-Miss., put it, “the strategy of being obstructionist can work or fail. So far it's working for us.”

How is it working? It's dragging the reputation of the Congress down to the level of the failed president. Conservatives lie in the road of progress and then complain that nothing is moving.

This values partisan posturing over reforms vital to the country. It must be challenged.

It's time to take the gloves off.

The first step is to expose the obstruction to the American people. Let's urge Senate Majority Leader Harry Reid to force a real filibuster. Keep the bills on the floor and force vote after vote, exposing the obstructionists. We'll organize in states across the country to insure that their constituents know exactly who is standing in the way of progress.
Proud Conservatives need to learn how to read, the freaking point is that the Senate has obstructed the bills , what a freaking tard
All idiots like the Proud Conservative please refer to paragraph 2 before you open your pie hole and make a fool of yourself
Yeah it tells me that a bunch of mindless idiots who can't see past the REAL problem forgot to vote straight ticket to get a REAL majority that could effect change
Indeed, Hendrix also sang
With the power of love anything is possible

Band of Gypsys………..absolutely GREAT RnR
DC John are you really that stupid? The American people VOTED for this agenda so if that's ram rodding something it's the DAMN WILL OF THE PEOPLE , what an idiot

Las respuestas de expertos:

Politics should absolutely be for the benefit of the people, because that is the only way that is right and moral and just! But, this is not the case. Politics is actually a big game, and the people are the losers. The people have the numbers, but the people are kept in the dark, and divided, so we are not standing up, as one, against those who have hijacked our government. Until we do, we cannot defeat them. We are all one, and our true power is in realizing this fact…en mass!

Jimi Hendrix once said….When the power of Love, overcomes the love of power, the world will know peace!

*sm*

Chris le pregunta ...

Shouldn't McCain be questioning his own energy policies instead of Obama's?

“In 2007, McCain missed all 11 energy -related Senate votes considered key by the League of Conservation Voters, including votes related to automobile fuel economy, offshore Virginia drilling, refinery construction, renewable electricity mandates, energy efficiency, liquefied coal and support for biofuels. The absences prompted the League to give McCain a “zero” rating for the year.”

And Inflating your tires is a tip recommended by all energy experts, Obama merely endorsed it, he never said anything about making that his energy policy.

Las respuestas de expertos:

He knows he has nothing,even his supporters know it. Thats why he has to remain on the offensive with all these false ads and lame gimmicks,mccain is a joke.

David le pide a ...

Why would John Mc Cain be a good president in terms of energy policy for the US?

In 2007, McCain missed all 11 energy -related Senate votes considered key by the League of Conservation Voters, including votes related to automobile fuel economy, offshore Virginia drilling, refinery construction, renewable electricity mandates, energy efficiency, liquefied coal and support for biofuels. The absences prompted the League to give McCain a “zero” rating for the year.
JonChicago – he has received $200 million from oil companies… he is bought and paid for. how does this make him independent or a maverick?

Las respuestas de expertos:

He wouldn't be!! Instead of building solar power towers he wants to build 43 new nuclear plants which cost 3 times the price and put out nuclear waste which nobody wants around them. Also his chief economic adviser is Phil Gramm, who is the former senator that slid the Enron Loophole into the 2000 Energy Bill. To Paulofhouston!! Currently Canada doesn't reprocess it's spent nuclear fuel and it is highly radioactive. Also if it did reprocess, it would be less radioactive but would still have to be disposed of. The cost of Candu nuclear plants are extremely high, even though they are more efficient, they would still produce radioactive waste. Why are you so against solar power tower technology?? Maybe you should check out this website http://www.solarmissiontechnologies.com
before you spout off your McCain ignorance.

Robert asks…

Why are there so many social problems in the richest country in the world?

To name but a few, the USA scores lowly in all of the following compared to countries like Japan or Scandinavia (and most of western Europe to a lesser extent):

1) Crime
2) Teenage pregnancy
3) Health/life expectancy
4) Poverty and low income
5) Long working hours culture / less paid hoilday
6) Educational achievement/literacy rates
7) Obesity 8) Environmental pollution eg CO2 per capita, recycling
9) Public transport and renewable energy

Las respuestas de expertos:

Interesting Question!! I think it's because in poorer countries people keep to themselves. For example, in the phillipines where i lived, parents would get mad if a teen had a baby because they can't afford it. Obesity occurs in America because people have enough food and people usually take for granted their health. As for Pollution, In phillipines our pollution was so bad I couldn't find a spot of soil that did not have a plastic bag buried or on top of it!

William asks…

Is China taking a more sensible approach to coal-fired energy?

I have read that since about 2006, China has been 'retiring' many of its smaller, older, less efficient coal-fired plants. To offset the closure of these plants, they are building new, more efficient coal-plants that don't put out as much in the way of pollutants.

As China is rich in coal resources, don't you think that it is wise for them to make the most out of their cheap, readily available energy resource?

China closing down small coal-fired plants
Yvonne Chan in Hong Kong, BusinessGreen, 31 Jul 2009

“Facilities with a total generating capacity of 54GW have been shut from 2006 to June this year, Sun Qin, deputy director of the National Energy Administration, said yesterday.
The announcement follows the release of a Greenpeace report earlier this week that called for China to phase out outdated facilities with a generating capacity of less than 100MW and set a renewable energy target of 30 per cent by 2020.
Sun said the number of plants with a capacity below 100MW comprised 14 per cent of the total proportion of energy -generating units, down from 30 per cent in early 2006.
However, in the meantime new coal-burning plants are still being built at a rate of 70GW per year, although Sun said most of the new facilities have significantly higher levels of energy efficiency than those they replace.
China is the world's largest coal producer and consumer. The fossil fuel accounts for at least 70 per cent of its energy needs – a factor that has led to its top ranking in global greenhouse gas emissions.”

Las respuestas de expertos:

We have 2 and half times as much coal as China, yet we don't utilize ours. China is utilizing their resources as are every other country in the world so yes they are taking a more sensible approach IMO.
Http://www.sourcewatch.org/index.php?title=Coal_reserves#Worldwide_Reserves

Maria asks…

Can you answer five short poll questions?

1. Should the government tax income earners making more than $250,000 annually at a higher rate or the same rate as income earners making less?

2. Should government provide tax incentives for businesses and individuals who use wind, solar or other renewable energy sources instead of nuclear, oil, coal or other fossil fuels?

3. Should the US government support Israel's occupation of the West Bank and Gaza Strip or should the US government support an independent Palestinian state in those territories?

4. Should the government legalize same sex marriages, civil unions, or neither?

5. Should the government keep abortion legal or criminalize it?

Las respuestas de expertos:

1. Only tax GOVERNMENT Employees higher that make over $250,000 annually. Flat tax on all the rest.

2. No Renewable Energy is unlikely to be directly econoically viable. The energy required to create the renewable energy infrastructure cost too much energy.

3. ¡Sí! If you give Palestine an independent state either they have to stop the terrorist or be attacked by the Isreal. Do the rulers of Palestine wish to put targets on their house?

4. ¡No! Why should the single taxpayer subsidize others?

5. Over turning Roe V Wade gives the option to the states.

Sandra asks…

How does my English essay sound?

The topic is “The greatest evil facing our world today”
It is actually a speech to be given in front of a massive crowd

The greatest evil facing the world today is the footprint left on this planet by mankind. The earth is the only one of its kind that we have. Our planet is being worn out by the unnecessary actions that we take each second, minute, hour, day and year. The ridiculous amounts of greenhouse gases that we emit into our once clean atmosphere are going to result in the earth punishing us at anytime she wants. Our survival could be lost in as little as twenty-five years if our behavior towards the environment doesn't change for the better.
The depletion of the ozone layer will be complete within 200 years at the rate it is being depleted now. If this occurs, no life will be able to live on the surface of the earth. There are already some holes in the ozone layer which have caused immense skin cancers and blindness in animals. Frogs all over the world are becoming dreadfully deformed. In addition, over fifty-one acres of rainforest are destroyed by the developed world per minute.
Currently, twenty-five percent of western pharmaceuticals derive from rainforest ingredients although less than one percent of all rainforest materials have been scientifically tested. This shows that the rainforest could have the cure to the vast majority of the diseases that cause troubles in this world. It could have probably been easily ALL the diseases if the extinction rate of all species was not as high as it is now. Currently, over 130 species are lost per day and more than 99.999% of all species that once lived on this earth are now extinct. Nearly half of the world's existing species will be eliminated in the next twenty-five years due to rainforest deforestation.
The amazing thing is that we still consume non- renewable energy much more than we use renewable energy . We consume almost 1.4 million barrels of oil every forty minutes whilst the solar energy that hits the earth's surface in forty minutes is enough energy for the whole world for a whole year. But this does not make us think about the vast amount of energy that has less effect on their world. If we did, the earth would be a much healthier and cleaner place to be in.
Politicians are actually accepting the reality of our situation and are taking actions. They have been given the irritating wake-up call of land loss due to the rising sea levels. Some people are thankful that they are starting to realize our problem. I for one am not. It shouldn't be economic problems that influence their actions, but moral beliefs.

Las respuestas de expertos:

Muy bueno!
I'd use while instead of whilst (4th paragraph)
Use “our” world instead of “their” world (4th)

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Sus preguntas sobre el viento y energía solar

May 11, 2012 by
Filed under Eólica y Solar Q & A

Lisa le pregunta ...

How much does renewable energy cost?

For domestic and industrial sectors , what are the round figures of renewable electricity rates ?
Where can I find such prices on the net?

Gracias a todos.

Las respuestas de expertos:

It is kind of pricey. But in the long run you will be saving more more. Plus some states actually pay you for your energy.

Robert asks…

Which is the best rated Masters program in renewable energy management?

I have Engineering and MBA degrees and am trying to find a good Masters/ PhD renewable energy management program (not hardcore engineering). I am considering developed countries eg, Scandinavia, Europe, Singapore, Canada, UK, Australia or the US.

Las respuestas de expertos:

In this field you best option is UK or Australia,
Not in Singapore.

I am a Singaporean

Thomas asks…

Mechanical Engineering at Manchester U or Energy Engineering at Leeds U?

In terms of education quality, student life, crime rates , how welcome are the ppl to international students.. I applied through UCAS and so I get to choose my first and second option. My first option will be either one of both, and second option I think will be Mechanical Engineering with Renewable Energy at Edinburgh U.

Las respuestas de expertos:

U of E is very geared towards renewables and Scotland is well placed to derive benefit from them – higher average wind speed and massive currents [compare well globally] in the Pentland Firth.

Overseas students will be welcomed at all your choices.

Universities contain better educated people than the average population and UK has a society tolerant of others.

Paul asks…

Should the government subsidize renewable energy development to the equal dollar value that it subsidizes?

the fossil fuel industry? When totalled this would equal hundreds of billions of dollars each year when all carbon fuel subsidies such as exploration, defense and environmental damage are factored in. At that rate a totally new energy infrastructure would be paid for in half a decade and bringing a return on investment.
Lizzy, tax payers of course. The same people who are subsidizing the oil industry to destroy the global environment.
Jim, get your head out of your butt, you're wrong.
http://209.200.74.155/doc/Real%20Price%20of%20Gasoline.pdf

Las respuestas de expertos:

More bombs and more cops are about the only thing conservatives think that the government should spend money on.

Chris le pregunta ...

What is the possibility of using Al Gore's facial hair as a renewable source of energy….?

….to fuel the planes he is flying all across the country promoting his film? Is it possible that Rogaine, applied to his face, would result in a rapid enough growth rate to reverse his personal contribution to the problem? Or is the energy used to produce the food & clean water to sustain his life in excess of the energy produced by his facial hair such that it is always going to be a net energy loss?

Las respuestas de expertos:

Al Gore invented geothermal energy.

Linda pregunta ...

There are some energy sources that can be either renewable or nonrenewable, depending on the manner and rate?

at which we use them.

VERDADERO
FALSE

Las respuestas de expertos:

I believe it is false, but its not black and white so it depends what you were taught in class.

Renewable resources can be used sustainably (only used at the rate it is produced) or unsustainable (used beyond the rate).

Some renewable resources (such as fish, game etc) can be made non renewable if the habitat is destroyed but the resource would still be renewable just not in that location where it would now not even be a resource.

José le pregunta ...

Renewable Energy homes ?

The cost of running power lines to my property is $18k, and my rate would be the same as every one else. To me $18k is better spend on solar and wind. So many people think this is impossible to do and are just plain wrong !
Here are two good links to find a better way.

http://www.homepower.com/index.cfm

http://www.motherearthnews.com/

I'm not looking for a government handout rebate, just a lifestyle that makes sense. To me RE is just plain patriotic, America at its finest.

Las respuestas de expertos:

Ody

Let me start off by saying we (my family and I) live completely, 100% “off of the grid and are completely self sufficient” using alternative fuels / energy. I was in the exact same situation as you few years ago.

Http://www.agua-luna.com/about_us.html

We do not leave our ranch except about once or twice a year, mainly for travel and vacations.

We raise meat and milk goats, chickens for meat and eggs, ducks for meat and eggs, trap havilina (wild boar pig), rabbit, quail. Brew our own beer from home grown products, preserve our fruits, vegetables, etc. Smoke and jerky the meat, make our own soap, cheese.

There are no utility lines, no water lines, no roads, tv, cell service, etc. On our ranch. EVERYTHING needed is produced here. All electricity comes from 27 solar panels, 2 main wind gens and a back hydrogen generator if needed (typically we can last 9 days with all luxuries of sunless windless weather, hasn't happened yet). Water is caught and storaged from the rain. Hot water is made with solar batch water heaters with an on-demand hydrogen hot water heater as backup. Even our vehicles use alternative energy (2 hydrogen trucks, 1 EV electric vehicle converted).

We've lived self sufficiently off the grid for over 5 years now. In 2003 I left an Engineering position with Boeing, sold 2 houses and most of our positions, purchased a small ranch in West Texas near the Mexican border, built a completely green home using 100% recycled and local (rocks, lumber, sand from the ranch) materials, built a wind generator and some solar panels, built a hydrogen generator and converted the vehicles to run on alternative energy, purchased some goats, chickens, ducks, lamas, etc, a composting toilet, water storage tanks, planted crops and fruit trees and settled down for the long run. We typically don't leave the ranch for 6-8 months at a time, and only then to visit family.

The house is built utilizing natures natural materials, Woodburning stoves, solar chimney, solar AC, solar heating, solar water heating (pool and home), solar stove, solar power, wind power, hydrogen powered back up generator, hydrogen back up water heater, hydrogen stove, 2 hydrogen powered trucks, 1 EV (electric vehicle) and satellite internet.

To see some pics of the ranch you can check out my photobucket below, navigate with the tabs on the left (hacienda, misc, guest house, etc), we're adding every day so be patient and don't laugh at my scraggly winter beard..

Http://s37.photobucket.com/albums/e88/ar…

We also built many small cabins on the ranch that we offer to family, friends and our on-site off-grid workshop guests, including one straw bale, one papercrete, earth bag and adobe, one cob and cordwood, one underground and rammed earth, one log and post and beam and one rock.

I later wrote a several guides on how to build with alternative materials, alternative energy / fuels using alternative methods for next to nothing. Anyone interested can check it out at..

Http://www.agua-luna.com/guides.html

As we have no bills, no mortgage and do not pay taxes (buahaha don't tell anyone) we have little use for money (any extra money saved up usually goes towards vacations as we enjoy traveling to mexico).

If you'd like more info on how you can make the transition easily, let me know.

Hope this helped, feel free to contact me personally if you have any questions if you'd like assistance in making your first self sufficient steps, I'm willing to walk you step by step threw the process. I've written several how-to DIY guides available at http://www.agua-luna.com on the subject. I also offer online and on-site workshops, seminars and internships to help others help the environment.

Dan Martin
Retired Boeing Engineer now living 100% Off-the-Grid with my family, using Alternative Energy & loving every minute.
For more info visit agua-luna com or email me at agua-luna@lycos.com

David le pide a ...

Does anybody use Dynowatt for their electric provider in Texas?

I am looking at switching and I saw that they have cheap per watt rates while still being 100% renewable energy . Is this a good one to use? Is there anything I need to know about them before signing up?

Las respuestas de expertos:

That sounds fabulous, and I don't see what you have to lose! Here in California, I owe PG&E over $1700.00. Fat chance I'll ever pay that bill. The house stays dark until a fire is lit and everyone sleeps on couches around the fire. Well, whatever,.

Steven pregunta ...

How much do you really know about energy #3?

1) According to the Oil and Gas Journal, at 2006 production rates , how many years will the global known reserves last?
a.20
b.40
c.50
d.60

2) According to 2007 data, what percentage of US energy use is currently supplied by renewable resources?
a.0-10
b.10-20
c.20-30
d.30+

3) According to 2007 projections, what percentage of US energy will be supplied by renewables in 2030?
a.0-10
b.10-20
c.20-30
d.30+

4) What percentage of gasoline used in the US would be replaced by ethanol, using current corn-based production technology, if every acre of corn was used to produce ethanol?
a.0-10
b.11-25
c.26-40
d.41-55

5) What percentage of cars on the road today are designed to operate using E-85?
a.0-5
b.6-10
c.11-15
d.16-20

I must say I am very dissapointed in all of the “experts” here who have failed to answer these simple questions.
Gymnastics, your answer was totally non-responsive so you get a thumbs down.

Las respuestas de expertos:

1. C.
2. A.
3. D.
4.d.
5. B.

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Sus preguntas sobre el viento y energía solar

May 9, 2012 by
Filed under Eólica y Solar Q & A

George asks…

I need help with my english homework!?

Hi I speak spanish, but I am studying english and I need some help with some sentences.
I have to write 3 sentences using simple past, used to, simple present, present progressive and imperative. But I also have to use at leat 4 phrasal verbs, 2 indefinite articles, 2 definite articles, 1 reflexive pronoun and 1 reciprocal pronoun. Here are the sentences please hel me to correct them.
By the way it is about global warming, thanks I really need your help!
SIMPLE PAST

1.People overused fossil fuels and they did not consider that this natural resource affects the planet.

2.We believed that water was a renewable resource and we did not pay attention to the way we use it .

3.People used natural resources faster that they can be replaced. They did not think in the consequences of not taking care of the nature.

USED TO

4.People used to drive to their works everyday, but now some of them prefer to walk or share cars.

5.People used to leave all the lights on and they also used to throw garbage away to the rivers. Now people even try to talk to one another about this issue and different ways to help.

6.People used to buy any kind of product without thinking, but now there are special products that help to reduce gas emissions.

SIMPLE PRESENT

7.Now people always turn off the lights this is a good and easy way to save electricity and contribute with the planet.

8.In Costa Rica people rarely consume fast food this kind of food contains a lot of carbon dioxide. We usually eat organic food in that way people contribute with the planet.

9.Most of people own cars, but there are some that prefer to ride their bikes or walk this reduces the emissions of gases.
PRESENT PROGRESSIVE

10.In my family shopping is one of the most important things and one way to save energy is using a reusable bag, instead of accepting a disposable bag in each shop.

11.I am really concern about global warming , that is why I gave up to many things like taking long baths, using hot water and driving my car. In this way I am not consuming too much energy .

12.I pushed myself to get into the green movement and now I am buying fresh food instead of frozen, recycling and I am always telling my family and friends no to waste energy .

FUTURE

13.Schools are going to give more information about global warming and different ways to help with the environment.

14.Global warming itself is a terrible problem that is why there will be campaigns all over the world working this issue out and people will be part of this change.

15.Scientist will use renewable energy in industries and this will reduce gas emissions.

IMPERATIVE

16.Find out if any activist group is working on the issue in your country.

17.Plant a tree. Trees help to suck up the carbon dioxide.

18.Teach children the value of our earth. They are the future and you can even learn from each other.
Thank you so much you really saved my life!

Las respuestas de expertos:

You have good sentences with some minor errors
CORRECTIONS ARE IN CAPITALS, remove words/ word parts between the [ ]

1. People overused fossil fuels and they did not consider that this natural resource WOULD affect the planet.

2. We believed that water was a renewable resource and we did not pay attention to the way we useD it .

3. People used natural resources faster that they COULD be replaced. They did not think OF the consequences of not taking care of [the - no article here] nature.

(When you use past tense, you have to stay in past tense throughout the sentence.)

4. People used to drive to WORK every day, but now some of them prefer to walk or share cars.

5. People used to leave all the lights on and they also used to throw garbage away IN the rivers. Now people even try to talk to one another about this issue and different ways to help.

6. People used to buy any kindS of productS without thinking, but now there are special products that help to reduce gas emissions.

7. Now people always turn off the lights WHICH is a good and easy way to save electricity and contribute TO SAVING the planet.

8. In Costa Rica people rarely consume fast food. This kind of food contains a lot of carbon dioxide. We usually eat organic food, AND in that way people HELP the planet.
(You had two run on sentences. You either need to start a new sentence, or join them with “and” or another conjunction)

9. Most [of] people own cars, but there are some that prefer to ride their bikes or walk. This reduces the emission[s] of gases. (or, more likely we'd say “this reduces emissions”)

10. In my family shopping is one of the most important things and one way to save energy is BY using a reusable bag, instead of accepting a disposable bag in each shop.

11. I am really concernED about global warming. That is why I gave up to many things like taking long baths, using hot water and driving my car. In this way I am not consuming too much energy.

12. I pushed myself to get into the green movement and now I am buying fresh food instead of frozen, recycling, and I am always telling my family and friends noT to waste energy.

13. Schools are going to give more information about global warming and different ways to help with the environment.

14. Global warming itself is a terrible problem. That is why there will be campaigns all over the world working ON this issue [out] and people will be part of this change.
(or working out, but I think on sounds better)

15. ScientistS will use renewable energy in industries and this will reduce gas emissions.

Steven pregunta ...

If Bush Would Have Spent $2TRILLION On Getting USA Off Of Foreign Oil, Would Terrorists Be Going Broke?

Had Bush spent our grandchildren,s SSi on research and production of renewable energy instead of going to war to protect our oil supply, we would be 7 years into the program by now and well on the way to energy independence.America could have lead the world in green technology creating millions of good paying jobs and eliminating our need for foreign oil. The $ Americans spend on foreign oil/gas provides a large % of the terrorist`s funding.Making this war redundant. Bush could have gone down in history as the president who put America back to work,cleaned up the environment,Halted global warming,Starved Alqidea out of existence, And made America the world leader of green Technology b4 we ended up dependent on China for that too! But………. Instead, He invaded Iraq ,A country that had NOTHING to do with 9-11,Had no WMDs creating 10Xs the terrorists we were facing b-4 9-11.

Las respuestas de expertos:

Bush is an oil man. He makes money from oil. He went to war with Iraq because of oil and Saddam's assassination attempt on his father. The welfare of the US was the furthest thing from his mind. He is a traitor.

Chris le pregunta ...

Which is greener, using paper towels or rags?

Paper towels come from a renewable resource. (Hopefully, you have purchased paper towels made from recycled paper.) Paper becomes compost, so it doesn't stay in landfills for as long as plastic. I have heard that using rags, hand towels, or dish towels is greener. But what about the energy and water it takes to wash them? On the other hand, what about the energy , water, and waste that is produced to make paper? I'm looking for some stats and facts so if you are scientist and answer this question bonus for you!

Las respuestas de expertos:

Rag because it takes up energy to recycle more than it takes to wash the rags (if you use greenworks you don't have to wash the rags)

Maria asks…

What majors/colleges should I look into if I want to be an environmental scientist?

Ever since I was little I've had sort of an obsession with the environment and being green , and now that highschool's starting, I want to know which electives I should look into. When I finish school, I want to work with renewable energy and ways to improve and make our lifestyles more “ green .” What kind of electives would prepare me for the type of college courses/major that would be required for a job like that? What major would that be? What kind of colleges are best for students pursuing a career like that?

Las respuestas de expertos:

Information is below.

Donald pregunta ...

some science help please?

1. Technology may be the key to a more _______________ future. A. “ green
B. environmentally friendly
C. sustainable
D. all of the above

2. New discoveries in ___________ are made because of technologies.
A. the environment
B. the world
C. science
D. the human population

3 What is a positive / beneficial reason to use solar energy ?
A. no pollution
B. no use of nonrenewable fossil fuels
C. renewable energy source
D. available all the time
E. all of the above

4 _____ is using knowledge to make tools to meet our needs and wants.
A. The internet
B. Technology
C. Genetic engineering
D. Industrial manufacturing
E. DNA sequencing

Las respuestas de expertos:

1. A
2. C
3. E
4. B

PS Cathy is wrong haha

William asks…

For those saying the stimulus “didn't work”, do you realize that is fundamentally changed America?

It was actually a backdoor way for Obama to advance a green agenda. I know some conservatives must hate that because they hate the environment, but green energy is the fastest growing industry in the world. Here is a sample of that..

Last year, exactly two US factories made advanced batteries for electric vehicles. The stimulus will create 30 new ones, expanding US production capacity from 1% of the global market to 20%, supporting half a million plug-ins and hybrids.

And after the credit crunch froze financing for green energy , stimulus cash has fueled a comeback, putting the US on track to exceed Obama's goal of doubling renewable power by 2012.

That's why the stimulus launched the Advanced Research Projects Agency- Energy (ARPA-E), a blue-sky fund inspired by the Pentagon's Defense Advanced Research Projects Agency (DARPA), the incubator for GPS and the M-16 rifle as well as the Internet. Located in an office building a block from the rest of the Energy Department, ARPA-E will finance energy research too risky for private funders, focusing on speculative technologies that might dramatically cut the cost of, say, carbon capture — or not. “We're taking chances, because that's how you put a man on the moon,” says director Arun Majumdar, a materials scientist from the University of California, Berkeley. “Our idea is it's OK to fail. You think America's pioneers never failed?”

An amazing article on the stimulus, lots of stuff you just don't hear about in the main stream media. http://www.time.com/time/magazine/article/0,9171,2013826,00.html#ixzz1VjXpLSaA

Las respuestas de expertos:

Let's say that everything you wrote is 100% true.

Here's where you and I still disagree: It is immoral and illogical for a few oligarchs in Washington (Republicans Included) to force the citizens to pay trillions of dollars for things they don't support. If you refuse to pay taxes for the stimulus, or wars, or welfare, or drug enforcement, or nation building, or foreign aid, or home loans, or student loans, or the Post Office, then armed men will come to your house and take you away to prison.

Their plan is put in place only through force, and only by infringing on everyone else's property (money).

Even if green jobs are the greatest thing since toast, then why can't people like you invest your own money and leave the rest of us out of it? Then you can reap the benefits without having the government steal our money on your behalf.

Do you really think it makes sense to add trillions of dollars to an already unsustainable debt so you can have your green jobs? Do you really think that it is ok to rob people if you are going to do something that, you think, benefits them?

For the record, your stance has no similarity to the real meaning of the word “liberal”. It is far better described as “authoritarian”.

Ruth le pregunta ...

Which church should I join? Really I need love?

My personailty:
I like computers, mythology, science, art, history, nature, good books, the mountains, clean air, renewable energy
I like to travel, learn new languages(I'm up to 5), meet cool people and have a good time, even a beer once in awhile
My description: I'm 5'10 brn hair, hazel/ green eyes 185 lbs
My education. Algo de universidad
Fav Music: Rush,U2,Pink Floyd, Led zeppelin, Folk music
Fav movies: Anything fantasy
My turn ons –Nice body, brunettes, open minded, adventerous, sweet, humble, non-materialistic
My turn offs: Believing jesus is the only way to get in heaven, are you guys serious! The first christians were mystics and knew alot about meditating and the levels of higher consciousness. You know why I am angry I'll tell you
Christianity=Procrastination
Why wait for death to go to heaven when we can pull it through a dimensional portal LOL and bring it here on earth.Having faith means stop trying and learning
It is called having an idea and making that idea reality

Las respuestas de expertos:

Http://www.watchtower.org/bible/index.htm
You should try to find the truth.

Paul asks…

Can you help my English?

Could you write down what she said ?( Btw I have the dialog which is dubbed by Australian or English???? what do you think it is Austrailian accent or British accent ?)

Australia's BOOLD ????plan carbon emmisions trading scheme are under threat . critic say it would cost jobs and provoke economic uncertainty .
________________________

and What does VOA stands for ? Voice of America ???/ but the news reader does not have North American accent .

or They used the news script from VOA , ????
___________________
m: I think the mojority of their power plants as coal firing .
w: still ? that's the majority
m:that's why they're such a high EDMMITERS????? of the green house gases.
w: ah,,, Australia stiil use power plants as coal firing
it's time to accept the renewable energy in Australia , too
and as you mention before , Australia is one of the worst per capita EMITTORS?? of the green house gases. .so it can't help it . cause they are using power plants as coal firing (speaking korean)

m: yeah unless YOU KNOW?????? they start THE INVESTING ???newclear power plants,
w. you know , these days newclear plants and renewable plants are topic of conversation a lot ( speaking korean)
m: Australia's one of the few countrys VARYING?????? climate zones and territorys and you know PRANTS????? that they could probably use a lot of renewable sources , energy sources such as sun light because they have A ?????desert . they have specific region for there's a lot of winds and they also have tons of landS?????? ( which is correct TONS OF LANDS or TONS OF Land ) you know that outbackS??????? and wilderness IS ???????? another RESOURCES or RESOURCE ??? that they could use ,
——————————-
http://blog.naver.com/intotmind check this plz 10
that 's what I'm looking for fixing

???? means I don't know what it means ..
???? means I don't know this word is correct or not , so Iam asking you fix it for me ,
First of all, Thank you so much ^_^

The guy from this program , actually applyed “The Best Job In The World “and he did it in top 10 but he failed in the final decision.
you can check it out at——–>

Btw You don't feel his Texas accent ?
Cause I heard he lived in Texas almost his whole life ,

Las respuestas de expertos:

Part 1:

“Australia's BOLD plans for a carbon emission trading scheme are under threat. CriticS say it would cost jobs and promote economic uncertainty.”

(Here a man gives the news story with an Australian accent.)

“Okay, that was a VOA news clip, because today is Monday.”

Youre right, they probably received the news story from Voice of America.

Parte 2:

“Okay, that was a VOA news clip, because today is Monday.”
“Mm hm, and did you know that Australia has, I think, the majority of their power plants as coal-firing power plants.”
“Still?”
“Yeah.”
“That's the majority, huh?”
“That's why they're such high EMITTERS of greenhouse gases.”
“Hm hm.”
(Speaking Korean.)
“Yeah, unless, you know, they start investing into some nuclear power plants.”
(Korean again.)
“Yeah, and you know, Australia is one of the, I guess, few countries where they have such varying climate zones and territories, and, you know, different landscapes, that they could probably use a lot of renewable sources — energy sources such as sunlight because they have the desert, they have a specific region where there's a lot of wind, and they also have tons of LAND, you know, the outback wilderness is another resource they could use.”

The male speaking says “you know” a LOT!
That's what they call a “verbal tic,” something people say or a sound they make unconsciously while they're gathering their thoughts and deciding what to say next. Some people say “um,” some say “uh,” President Obama says “ah” : D , others say “er” … And this guy says “you know.” If you take out all of the “you knows,” it makes his speech much easier to understand. He might not even realize he says it!

Your corrections:
emitters
you know (means nothing)
investing (no THE)
nuclear
“… One of the few countries where they have such varying climate zones and territories, and (you know) different landscapes.”
“… Because they have the desert…”
“… And they also have tons of LAND…”
” …the outback wilderness is another RESOURCE…”

Sandy le pregunta ...

Don't you think that India has a lot of lessons to learn from recent fearful Japanese experiene?

Earthquake, tsunami and a nuclear emergency, what has happened in Japan is extremely sad. My thoughts are with the people of Japan. The crisis at Fukushima continues to be a race against time, and is clearly not under control.

But Maharashtra committed to set up a nuclear power plant at Jaitapur! The nuclear reactors planned in the country, especially in Jaitapur, Maharashtra needs to be reviewed. It is also an earthquake prone zone, which the authorities are trying to downplay.

When Japan with its advanced technology is struggling with the situation, imagine what could happen in India? (recall the horrid impact of Bhopal toxic gas leak, due to lax safety systems to protect staff and public, that resulted in the biggest industrial tragedy of our times)!

Nuclear energy is a gamble and the risks can be deadly. The Government needs to invest in renewable energy and energy efficiency, that is not only environmentally sound but also affordable and reliable.

The government needs to know that people all across the country support those opposing the nuclear plant in Jaitapur.

People in Jaitapur don't want this nuclear plant. Green Peace India is taking a signature campaign in the cause against nuclear installations in general and in the Maharashtra site in particular.

Also be informed:
Nuclear power could cost trillions over renewables Scientific American, June 19, 2009:
The analysis factors in studies from Wall Street and independent energy analysts estimating the efficiency of renewable energy at 6 cents per kilowatt hour versus 12 to 20 cents per kilowatt hour for nuclear. Cooper says those costs will fall on either ratepayers through higher electric bills or on taxpayers through large subsidies.

http://www.scientificamerican.com/blog/post.cfm?id=nuclear-power-could-cost-trillions-2009-06-19

Don't you think we should leave a safe and secure place for our children and grand children?

Las respuestas de expertos:

Well!!!!!!!!

You are correct….

Nuclear Plants may serve as a heavy threat to lifes in case of explosion..

PERO ....
Why are nuclear plants being commissioned?
For Energy!!
There is an increased demand for Energy.. That provides the need!!

Today, Thermal (Coal) and Hydel (Water) power plants are the major sources of energy..

The resources for the Thermal energy are being continuously exploited and is being depleting at aa faster rate..
In case of Hydel Energy, it is primarily dependent upon the Water.. Due to the advesre effects in climate, caused due to thermal pollution, water resources are being dried up or getting worse and scattered..

What are the remaining Options?

* Solar Energy:
India can utilise a maximum potential of Solar Energy as the penninsula witnesses Sun atleast 270 days/year!!

* Tidal Energy: This Oceanic Energy can also be very well utilised in India

* Wind Energy:
Available only at few places in India . But, still we can utilise the energy disspiated by a moving vehicle too!!

* Biomass Energy:
This is also a viable option for Energy resource. India has a huge population, and the energy dissipated by the population itself can serve as a Saviour of energy

* Geothermal Energy: Energy from hot springs beneath the crust.

It is quite evident that people themselves can install small power plants in their home using renewable energy.. Por ejemplo:
* Solar Panels at top of the roof for Solar lighting
* Biomass generator for cooking food (instead of / a supplement to LPG)
* Bicycle/ Solar Power to charge the mobile phones
* Wind Energy (a small fan ofcourse) to make some lighting

This can make us self sustained in Energy..

BUT……….

Who is ready to install renewable Energy ?

People always want to have the environment clean and threat free. But, no one seldom uses any measures for that..

Most people prohibit Electric / Solar Cars just because they are not aesthetic!!
Similarly, they turn away from Solar Energy / Wind Energy just because of ots inital cost!!
(Though Govt provides subsidy for that)

Por lo tanto,

Unless People willingly come front to install small renewable energy power plants in their homes, or stop using Energy at their will, Energy Demand will continue to increase…

That implies, we cannot stop the Govt. From installing nuclear power plants…

I am ready.. How many are????

PS:
I am not suggesting to convert everything into renewable energy.. Atleast a small part!!

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Sus preguntas sobre el viento y energía solar

May 8, 2012 by
Filed under Eólica y Solar Q & A

Richard asks…

Creative ways to generate energy?

Besides the well known renewable energy sources (solar, wind , hydrothermal, etc), what are some creative/unique ideas to generate energy ? Whether large scale (like for a company), or that can be done in a home? For example, riding a stationary bike that generate electricity from the turning of the pedals.

Las respuestas de expertos:

Geothermal energy is one you didn't name… If only we could start making more low pressure devices…lol.

Um, you could always use weights to do the same thing as a bike(if you're a weight lifter). Instead of using batteries you could use hydraulics to store and use the energy to power something. I know that hydraulics are pretty awesome if you set them up right. You could probably even install a pressure system that forces oil into an accumulator every time you park on it with your car, they use those in some shopping parking lots(so i've heard). There is a ton of power in water, so if you're near a water source you could probably making a renewable energy source there.
Steam power is great for someone that is certified. It's pretty dangerous, but the power is more than sufficient to run a home if you have a big enough system.
Perhaps you want to capture lightning?
You could come up with some new ingenious way to do it, powering whole cities.
Tesla had some really awesome ideas.

Robert asks…

what type of renewable energy source is the…read on…(easy 10 points!)?

what type of renewable energy source is the most expensive overall out of Solar, Wind , Boi- energy , Geothermal and Hydroelectric?
plz plz i need help!

Las respuestas de expertos:

Bio-energy is the most expensive

Carol le pide ...

i want to prepare a model related to renewable sources of energy.?

It is should not like solar cooker or wind mill. I just want something different and good of the school level and not more than that.

A little can be taken.

Las respuestas de expertos:

I'd make a wind turbine surrounded by fields of corn. That would showcase two forms – wind and ethanol. You could also have a little farm like “off in distance” sort of that has like a solar panel roof or something. Sólo un pensamiento :)

Go green!

Chris le pregunta ...

What is the best renewable energy source?

Please, just answer this if you really KNOW :) For a country that has sun, wind and geothermal areas, and lots of it all, in which order should these resources be used as energy sources , considering cost of production, land use and amount of energy production

Las respuestas de expertos:

This answer is not as simple as which one is best… There are many factors that would largely be based on geographical Location. For instance it would not make much sense to install solar energy collection systems in areas that too far north because they simply do not get enough direct sunlight to be viable. Likewise placing a wind system in an area where sustained winds are rare would do no good. The other thing to consider is where are the consumers for the energy located in comparison to the locations of the energy system. Placing large wind farms in the Dakotas ( two of the states with the largest wind sources in the nation ) really doesn't do the nation any good because you cannot transport the energy very far. The neighboring states is about all the further the benefit would reach. The same goes for placing large solar collection stations in Arizona or Nevada. You could power nearby cities but you really can only transfer the energy so far.

That is based on large scale energy collection systems. If you are interested in something residential then it is a different story.

Currently the best of the 3 options may surprise you… It is GeoThermal. But not geothermal energy production… Merely usage. If you were to install a Ground-source heat-pump in your home you would save up to 70% on the energy you currently use. These systems are proven and have been around a long time. The price range is reasonable NOW unlike other options. Prices can range from $2500 + for install depending on the situation and if you need to tear-out an existing system. The land usage is underground so you just need space to have a crew come in and dig. The unit would pay for itself in savings within a few years. Total amount of energy that the system would save is much more than the amount it takes to put the system in place (thus giving it a smaller Carbon footprint). Even though this system does not produce energy it uses existing energy and greatly reduces the amount of energy that a residence requires.

Photoelectric solar panels are very inefficient and very expensive to produce. The amount of energy that it takes to produce a solar panel is actually MORE than the amount of energy that the panel will be able to produce within it's lifetime. ( given an average lifespan of the panel and current technology ) While the panel may save YOU money and energy, it costs the enviroment more energy than it can recoupe.

A Wind system costs less in money and energy to produce than solar but still has some of the same draw backs. Both systems require battery banks and extra wiring systems before something could be used. Wind and sun are both non-consistent sources so days when the sun is weak or the wind is down you receive no benefit.

All three systems are currently only supplimentary at best. We don't have the technology to use any single source by itself completely. Solar and Wind both require better energy storage techniques to suppliment days of low production. Geothermal heat/cooling systems still require another source of energy. Solar systems need to become much more efficient before they are truly viable except for providing power in very remote locations.

In terms of providing large scale benefits to the masses using industrial sized verions of these energy sources we need to find ways to transport energy over greater distances with better super-conductors or microwave technology or something new.

Currently I would list the three sources in order of energy benefit in this order.

Geotérmica
Viento
Solar

Juan pregunta ...

Can anyone explain to me the negative aspects behind renewable energys such as wind and solar?

There has been consistent talk about the pros of renewable energy source, but just to get a good understanding of the argument I would like to hear some of the negative aspects associated with this energy .

Las respuestas de expertos:

Expensive, takes a lot of land to make a small amount of power, and inefficient. Neither will work everywhere.

Donald pregunta ...

Does it take more water to deliver electricity from renewable or nonrenewable energy?

I've heard that it takes water to power anything, so does it take more water to deliver electricity from renewable sources (solar, wind ,geothermal,tidal) or from nonrenewable sources (coal,natural gas,oil)?

Please include web sources , this is for a research project.
(Does it take any water to TRANSFER energy from sources )

I did not mean does it take water to collect energy .

Las respuestas de expertos:

The actual distribution of energy, from a power plant to your door does not require water. Water is required for the manufacture of nearly all physical goods, including those goods/equipment that generate electricity. Solar cells, wind turbines, gas turbines, etc all required water when they were made.

Solar panels do not require water, neither do wind turbines. Some other solar methods do require water.

The actual generation of electricity requires varying amounts of water, depending on the process. Any steam turbine requires very high purity water that is heated and used to produce power. Typically the water is recycled in the system, but it still uses significant amounts. Water is also used to cool the steam so it can be re-heated. This water is commonly passed through once (think of taking flow from a river or ocean). In gas turbines, water can be injected to reduce emissions and increase power output. Hydroelectric develops all power from water.

Susan le pregunta ...

are main goverments constructing renewable energy plants?

countries like usa and european ones. are they building wind farms and that. what ones?

and also what is the highest renewable energy source for one country?

Las respuestas de expertos:

Yes, a lot of countries are wasting money on wind and solar.

The only 'renewable' sources of power that are actually reliable enough to be worth having or hydroelectricity and geothermal power but not all places have the geology needed for them and hydro has something of a bad reputation (well deserved given the environmental impact and what happens when dams fail).

As for who uses the most renewables, Norway has a lot of hydro and Iceland uses geothermal extensively. Denmark has managed to get about 20% wind capacity but hasn't even shut down any coal power plants and at the moment pretty much just sells the wind power to Norway really cheap where it's used to pump water uphill.

William asks…

Which two renewable energy sources depend on the weather?

solar
de marea
viento
biomass
geothermal

Las respuestas de expertos:

Geothernal is the only one not readily effected by the weather.
Tidal does not depend on the weather but may be effected by it. Think hurricanes.

Biomass needs sunlight and weather to grow.
Wind needs weather to work at all.
Solar works best under clear skies.
Hydro needs rain.

José le pregunta ...

which is not a renewable energy source A.geothermal B.hydroelectric C.natural gas D.wind?

Las respuestas de expertos:

C. Natural Gas
Natural gas is composed primarily of methane (CH4). It does contain other chemical species, such as butane and propane. If the mixture is comprised only of these species, it is called dry natural gas, as there will be no liquid components at standard pressure and temperature. There might also be some other organic components, such as pentanes, that are mixed in with these species. These heavier species are normally liquid at standard temperature and pressure, and comprise what is called natural gas liquids. Natural gas might also be mixed in with non-hydrocarbon compounds, such as water vapor, carbon dioxide, and hydrogen sulfide. If so, it forms what is called wet natural gas, and requires some processing before it can be used.
Natural gas comes from the decomposition of organic matter, just like oil and coal. Unlike oil and coal, though, it can come from almost any organic matter, whereas coal comes only from plant matter and oil comes almost exclusively from plankton and microplankton remains. Natural gas can come from both of these sources as well. This is why you often find it associated with both oil wells and coalmines.
Fig. 1: Jefferson County Landfill (DOE)
Natural gas can also come from unconventional sources, as well. It is produced by dead plant matter decay in swamps and rice fields. Animals, such as cattle and termites, produce large quantities as a by-product of digestion.

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