We often think of solar-powered devices as pretty new. But we’ve been harnessing the sun since long before the first practical solar cell was introduced back in 1954 . For instance, in these solar-powered contraptions from a 1937 Popular Science film — including the amazing fridge that turned sunbeams into ice cubes in just two hours!
Source: http://feeds.gawker.com/~r/gizmodo/full/~3/Cw53pqxWH80/+kcampbelldollaghan
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