Solar Energy

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Everyday the sun rises and sends out its rays. These lights of the sun are necessary in humans' life. It is know that life depends on the water which mostly comes from rains. In fact, the sun is one of the main causes of the rains in the water cycle. Over the history, there are many examples of using the sun as a source of energy. The old cultures discovered that fact and used the sun as a way to ignite wood. This way relied on converting the sunlight into one ray by using plates of glasses. Then, in the early 1900's, the steam engines had its power from the solar energy collector that produced the heat to evaporate the steam. During last century, the "efficient solar boiler invented by Charles Greeley Abbott  was great achievement in the technology of solar energy ("Solar Energy.  Latent). Recently, the necessity of the sun arises from Its energy to be an alternative for regular defective energies. Solar energy can be used in many ways: to supply heat, lighting, mechanical power and electricity and many other stuff. Meanwhile, The idea of using the solar energy as a main source of energy has advantages and disadvantages.

First of all, the solar energy has to be collected in o

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