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Essay Galaxy - Solar Energy - The Energy Of The Future?
Solar Energy - The Energy Of The Future?
About 47 per cent of the energy that the sun releases to the
earth actually reaches the ground. About a third is reflected directly
back into space by the atmosphere. The time in which solar energy is
available, is also the time we least need it least - daytime. Because
the sun's energy cannot be stored for use another time, we need to
convert the suns energy into an energy that can be stored.
One possible method of storing solar energy is by heating water
that can be insulated. The water is heated by passing it through hollow
panels. Black-coated steal plates are used because dark colours absorb
heat more efficiently. However this method only supplies enough energy
for activities such as washing and bathing. The solar panels generate
"low grade" heat, that is, they generate low....
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Number Of Pages: 2 |
Number Of Words: 355 |
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