Magic Metal Beans Keep Your Coffee Hot For Hours
Coffee Joulies were invented by a couple of guys named Dave. If you’re tired of searing the flesh on your tongue or drinking tepid coffee because you got too busy, then these stainless steel beans are for you!
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According to Ben Popken, he would seriously trade a cow for these nifty beans!
How do they work? Their Kickstarter page says:
The 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.