London, United Kingdom
Domestic Solar Panel
Photograph - Photograph
Domestic solar panels on the side of a house. Each solar, or photovoltaic, panel is made up of many solar cells that convert light into electrical energy. The cells are made from a semiconductor. When light hits the semiconductor it releases electrons that are picked up by a grid of wires and form an electrical current. Solar power is an environmentally friendly energy source.
May 2nd, 2013
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