A Novel Way to Concentrate Sun's Heat

Most technologies for harnessing the sun's energy capture the light itself, which is turned into electricity using photovoltaic materials. Others use the sun's thermal energy, usually concentrating the sunlight with mirrors to generate enough heat to boil water and turn a generating turbine. A third, less common approach is to use the sun's heat ? also concentrated by mirrors ? to generate electricity directly, using solid-state devices called thermophotovoltaics, which have their roots at MIT dating back to the 1950s.

Source: http://www.renewableenergyworld.com/rea/news/article/2011/12/a-novel-way-to-concentrate-suns-heat?cmpid=rss

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