Magic Beans to Keep Your Coffee Hot: Coffee Joulies

Magic Beans to Keep Your Coffee Hot: Coffee Joulies

Back when Coffee Joulies were just a Kickstarter project, I felt like these heat-absorbing beans that promised to cool your coffee to drinkable temperature and keep it there could turn into either an easily-dismissed gadget or a gimmick. A few weeks ago, I finally had a chance to try them for myself.The beans are about the size of a soup spoon and bigger than I expected.

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特殊な金属でできたこのコーヒー豆のような形のものをカップに入れてコーヒーを注ぐと一番飲みやすくて美味しい温度を長時間保ってくれるという優れもの。, また、温度が高過ぎる場合、適温まで冷却コーヒーが速いことと、その後は温度を長く維持します。,

coffee joulies

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Invention of the Day: Magical Beans Keep Your Coffee Warm for Hours « Science Experiments :: WonderHowTo