Photovoltaic Cells: Energy Source of the Future.

Chia sẻ: Luuhuy Hoan | Ngày: | Loại File: DOC | Số trang:4

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Photovoltaic Cells: Energy Source of the Future.

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As populations increase and countries industrialize, the world’s demand for energy increases. Our supply of petroleum and gas is limited, but the photovoltaic cell offers a solution to the problem of a future energy shortage. This cell is already an important source of energy. In fact, it seems almost like magic. The photovoltaic cell changes sunlight directly into energy. Solar energy – energy from the sun – is clean, easily available, inexhaustible, and free, if the equipment is available....

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