5 Responses to “How Does Solar Energy Work???/ I Need It In Simple Details Pllzzzzzz Really Desperate!!!!?”

1. birchard
   July 13th, 2010 @ 1:36 am

   Let’s start with the Sun — there’s ongoing thermonuclear fusion reactions going on there, which release a lot of energy. We get a tiny fraction of that energy here on earth as electromagnetic radiation, in the form of light (infrared through ultraviolet, mostly, but from gamma rays down to low frequency radio waves at lesser intensities as well).
   That energy from the Sun can be concentrated by mirrors or lenses to heat things (I remember melting the tar lines on the school playground’s concrete ball court with magnifying glasses — it would solidify right away when you moved the focused sun image). On a larger scale this can make a working fluid (water) boil, and its vapor (steam) can turn a turbine and that turns a generator.
   Another technique is photovoltaic cells (solar cells) which use a semiconductor material which sunlight is able to free electrons which then can power things, charge batteries, run satellites, or whatever. The details of this are more complicated than the generator idea.

2. c
   July 13th, 2010 @ 4:19 am

   http://www.ucsusa.org/clean_energy/techn…

3. Will
   July 13th, 2010 @ 4:29 am

   Here’s the best link that i could find:

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