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Solar power is energy from the sun that is converted into thermal or electrical energy.
The costs all depend on the cost
of silicon. The price is approximatly
$1 per wat these days. It is less
expensive than coal.
Even though civilizations such as the romans
have been using solar energy for hundreds of years,
the first person to discover that certian materials
conduct a small amount of electricity when exposed
to light was Edmond Becquerel in 1839.
Crystals suck as copper or indium produce elecrical current when struck by light. This works because the electrons in the crystal move when exposed to light. This turns a good portion of light energy into electricity.
The total amount of solar energy recieved is 35,000 times the amount used by man.
1/3 absorbed is reflected back into space.
Solar energy is used all over the world and
on space on spaceships. The map shows where
the higher volume solar energy is being
farmed.
Solar energy is used pretty much
everywhere it can. The map shows
where the heaviest solar energy
is being farmed.
It's clean, and "it's not cold,
it's hot!"
Pros: no polution, quiet, can be placed
in remote locations, and don't take up too
much space.
Cons: Bad weather=no power, can be expensive
at the beggining, and it's not always sunny.
Solar panels can go on roofs on almost every
building, go mounted on the ground, and can
have the electricity sent to be used for many
uses in cities.