Cream, Sugar and Some Endo-Exothermic Phase Change Material for Your Hot Coffee? [Coffee]

Coffee Joulies are stainless steel beans filled with a phase change material that absorbs heat as it melts—cooling down horrifically hot coffee—and then releases that heat as it re-solidifies—then keeping your coffee warm for longer. More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/KgJJUncpSSs/cream-sugar-and-some-endo+exothermic-phase-change-material-for-your-hot-coffee

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