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

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…

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Australia is the First Country to Get Tesla's Powerwall Battery

That’s right, Tesla’s much talked about Powerwall — the battery that can power your entire house — will be available in the Australian market from late this year. Tesla, the company best known for its Model S electric sedan, is launching Tesla Energy in Australia, which will bring products including both the…