The time has finally come for the metric system’s long-scheduled upgrade. Next week, the General Conference on Weights and Measures (CGPM) will meet for the 26th time. When it does, it will revamp the ...
The U.S. National Institute of Standards and Technology called this Friday a “turning point for humanity,” even though the difference between this day and the day before weighs, theoretically, nothing ...
The world’s most perfect weight isn’t so perfect anymore. And that has scientists scared. Hidden in a vault outside Paris, vacuum-sealed under three bell jars, sits a palm-sized metal cylinder known ...
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