The Solar-Powered Fridge of 1937 Made Sunbeams Into Ice Cubes In 2 Hours

Folks, this is dated 1937 and to be honest, my first reaction after seeing this video was “HOLY CRAP!”… again 1937!
We are in 2014 so WHY is this not MAINSTREAM!? (Economical interests maybe?)

http://paleofuture.gizmodo.com/the-solar-powered-fridge-of-1937-made-sunbeams-into-ice-1574174343/+kcampbelldollaghan

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