Charge Your Phone Powered by a Hot Cup of Coffee

A mobile phone charger is being developed by researchers that can be powered by either a cold beer or a hot coffee.

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, the Daily Mail reported.

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Owners use the red side as a drinks coaster to place a hot drink on it, and the blue side as for a cooling drink such as a beer.

It uses something called a Stirling engine to turn heat into energy.

US company Epiphany Labs, based in New Castle, Pennsylvania, has built a working prototype and hopes to have it on the market early in 2014.

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The company is still vague on just how long it takes for the device to charge up a phone because there are a lot of variables at play, including how hot or cold the source is.

Any source of heat that can fit on the Puck will work.

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It works best with something that's very warm like a steaming cup of tea or coffee, or very cold like a well chilled beer or soft drink.

Epiphany is aiming to raise 63,000 pounds on fund raising website Kickstarter to turn the prototype into a gadget that can be mass-manufactured.

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By Feb 8, more than 25,000 pounds had been raised, and early birds can still get in for a 62-pound pledge price.

Source-ANI