Have you always wanted to charge your gadgets with hot and cold drinks? If so, then you’ll love the Epiphany One Puck, which uses a stirling engine to heat into energy. According to the company, just about any source of heat that can fit on the puck will work – “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.” Continue reading for a video and more information.

The company also wanted to let consumers know: “Once we have this project off the ground, we’ll get to work on larger scale versions of the onE Puck that will provide inexpensive power to households and villages using nothing but waste heat as the energy input.”


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