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By exploiting the powers of nanotechnology and taking advantage of nontoxic, Earth-abundant materials, Berkeley Lab’s Cyrus Wadia has fabricated new solar cell devices that have the potential to be several orders of magnitude less expensive than conventional solar cells. And, by mastering the chemistry of these materials—and the economics of solar energy—he envisions bringing electricity to the 1.2 billion people now living without it. Series: Science at the Theater [9/2009] [Science] [Show …

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ScienceOnline asked:


Purchase: hilaroad.com This video demonstrates how solar energy can be focused with a curved mirror. Once focused this energy can be used to cook food, sterilize water even create electricity. Includes an explanation of Energy, Power, Joules, Watts. Examples of radiant, heat, chemical and kinetic energy are given. Includes links to directions for constructing a simple solar concentrator.

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Solar energy advantages disadvantages are normally debated in our society but the fact of the matter is without a doubt, the advantages outweigh the disadvantages of having your home powered by solar energy, by a landslide. The enormous amount of money you will be saving using solar energy will be the strongest motivation force for anyone to look into the possibility of making the move to solar power. Read the rest of this entry »