Coffee Joulies 5-Pack
By Coffee Joulies
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Review & Description
As seen in The New York Times, WIRED, Gizmodo, ABC News, Popular Science, and more!!
Tired of burning your tongue on coffee that is too hot only to have it become too cold a few short minutes later? Then toss a few Coffee Joulies in your cup or thermos right when it's poured and they'll cool your coffee to the right temperature three times faster and keep it there twice as long.
This works thanks to a special material sealed inside the polished stainless steel shell called a "phase change material" that is able to absorb a large amount of energy as it melts at a specific temperature. We use a PCM that melts at 140 degrees Fahrenheit, which we have found to be the perfect temperature for drinking any hot beverage including coffee, tea and hot chocolate. This material is food-based and completely nontoxic.
Each Coffee Joulie works with 5 ounces of hot beverage, so toss one in your espresso, two in your double-short vanilla latte, three in your tall drip, four in your vacuum thermos and five in your venti or xl coffee right when it's poured. The material sealed inside the Joulie will begin to melt, absorbing energy from your coffee and cooling it down to the right temperature, 140 degrees Fahrenheit, three times faster. When your coffee reaches this temperature the process reverses. The phase change material begins solidifying, releasing the energy it stored earlier back into your coffee, keeping it hot twice as long. When used in a high-quality vacuum thermos, Coffee Joulies can keep your coffee in the right temperature range for over five hours!
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