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Essay text:
The amount of energy at the solar constant, which is at outer edge
of the earth's atmosphere, is two calories per minute per cm squared. A calorie
is the amount of energy needed to raise one gram of water one degree Celsius.
If we could efficiently harness the energy bombarding the earth for twenty-four
hours we could power New York for a year. Unfortunately the photovoltaic cells
that change the energy into electricity are so inefficient that it would take
twenty-five years to pay for it's self in output.
There many uses of solar energy. Some homes rely fully on the power of the sun
to heat their water...
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Common topics in this essay:
- THE CURRENT ENERGY MARKET AND LINKS BETWEEN ENERGY PRICE AND BUSINESS PROSPERITY
- Solar Energy
- Solar Energy
- the alternative energy source to oil
- A Great Alternative Energy Source
- Alternative Forms of Generating Electrical Energy: Wind, Solar and Fuel Cell Power
- Solar Energy
- Solar Energy
- Solar Energy
- Solar Energy: An Alternative Energy
- solar energy
- solar energy
- Why Do We Need Solar Energy?
- Solar Energy
- On Solar Energy
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