What Are The Drawbacks From Using Solar Energy?

October 25, 2009 by admin  
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What are some drawbacks from using solar energy? I know that it is expensive, and it only works when the sun is out, what are 3 other drawbacks?

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What Are Engineering Challenges To Develop Solar Energy For Comfort/home Uses?

October 22, 2009 by admin  
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What are engineering challenges to develop solar energy for comfort/home uses?

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What Are The Ways That Solar Energy Is More Environment-friendly And Feasible Than Nuclear Energy?

October 17, 2009 by admin  
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The more, the better. The arguments should be at least remotely feasible. I’m looking for ecological arguments why Solar Energy is a better alternative than Nuclear Reactors.

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How Solar Energy Can Be Generated At Competitive Cost?

October 14, 2009 by admin  
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How solar energy can be produced at competitive cost for the welfare of people at large?Presently what is the status of its use in india?

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When Solar Energy Is Available In Abundance Why We Rely On Oil And Other Alternative?

October 9, 2009 by admin  
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Why can solar energy be not used everywhere? Is it very expensive to tap it?

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How Did The Cycling Of Solar Energy Through The Biosphere Begin?

October 5, 2009 by admin  
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Photosynthesis and cellular respiration are the same chemical reactions headed in opposite directions. Photosynthesis takes carbon dioxide and water and produces carbohydrates and oxygen. Cellular respiration takes carbohydrates and oxygen and produces carbon dioxide and water. Respiration is the exothermic reaction. Photosynthesis requires the input of energy from the sun in order to proceed. In the economy of ecology, why are both reactions necessary? How did the cycling of solar energy through the biosphere begin? How can it be best maintained today?
–Please help me understand this alittle better.

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How Efficiently Do Plants Use Solar Energy When Compared To Solar Panels?

October 2, 2009 by admin  
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How does the amount of chemical energy stored in plants compare to the electrical energy stored by solar panel/batteries?

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How Is Solar Energy Harnessed For Human Benefit?

September 27, 2009 by admin  
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Please help w/ these questions..And provide Sources/References !
- Type of energy transformations that take place in harnessing the solar energy.
- efficiency of the (solar) energy transformations
- The amount of energy obtained from solar energy?
Thank you !

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How Do Places With Wind And Solar Energy Sustain Their Power?

September 23, 2009 by admin  
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Some places rely on solar and wind energy right? To power their homes and such. How do they use energy in the night or when there is no wind? Do they have something that stores the energy like a big battery or something?
I have to “make” a green city and it will use renewable energy source including solar and wind energy. How would I make the wind and solar energy sustainable and not have shortages of power?

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Solar Energy- Does Anyone Know Of A Diy Way To Make A Solar Collector And Transfer That Energy To Batteries?

September 23, 2009 by admin  
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I would like to learn about solar energy and how I can make some panels for my home, of course with in a reasonable budget. My goal is to be able to run a refrigerator and fan off of battery. Any ideas out there?

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