"Coffee Joulies work with your coffee to achieve two goals. First, they absorb extra thermal energy in your coffee when it’s served too hot, cooling it down to a drinkable temperature three times faster than normal. Next, they release that stored energy back into your coffee keeping it in the right temperature range twice as long.
This amazing feat of thermodynamics happens thanks to a special non-toxic material sealed within the polished stainless steel shell. This material is designed to melt at 140 degrees Fahrenheit, and absorbs a lot of energy as it melts. This is how Joulies cool your coffee down three times faster than normal. Once it reaches this temperature, the special material begins to solidify again, releasing the energy it stored when it melted. This is how Joulies keep your coffee warm twice as long."
The Joulies are being developed as part of a Kickstarter funded project. Kickstarter is the crowdsourcing way to fund creative projects. Creators can post their ideas with the total funding requirement on Kickstarter website and solicit funding for a certain duration. If the project does not attract the required funding within the duration, none of the pledged amounts changes hands.
(HT: Fast Company)
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