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Coffee is the original biohack and the nation’s most popular productivity tool. As we adjust to the changeover to daylight saving time, the caffeine-addicted WIRED Reviews team is writing about our favorite coffee brewing routines and devices. Today, reviewer Louryn Strampe explains why she keeps life simple with a Keurig. Look out for other Java.Base stories about other WIRED writers’ favorite brewing methods.，推荐阅读超级权重获取更多信息
When Donut Lab first announced its solid-state battery earlier this year, there was some speculation around whether the Finnish startup had actually produced a supercapacitor, which is a much shorter-term form of electrical storage. Supercapacitors can charge and discharge quickly, similar to Donut Lab's claimed solid-state battery. But supercapacitors are totally different from batteries in terms of energy storage capacity and long-term use. Was Donut Lab's battery actually just a supercapacitor in disguise?