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Tuesday, February 12, 2013

How a cuppa could charge your phone: The battery booster powered by a hot cup of coffee (or a cold can of beer)

How a cuppa could charge your phone: The battery booster powered by a hot cup of coffee (or a cold can of beer) | Mail Online: "A mobile phone charger that can be powered by either a cold beer or a hot coffee has been unveiled.

The charger uses a Stirling engine to convert heat into energy, and it is hoped the gadget will go on sale next year for around £60

The Epiphany One Puck, which doubles as a drinks coaster, connects to a phone with a USB cable. It has two sides, one red, one blue."

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