Revolutionary history of weights and measures

Wacky Web Week

Why would anyone invest 1 million euros to sculpt a perfectly round, one-kilogram sphere of silicon?

Derek Muller, creator of the Veritasium channel and its educational science segments for YouTube, packs the history of the kilogram into a video. It’s enlivened by relevantdetails of 18th-century French politics and the behavior of physical objects to explain why the world needs a perfectly round silicon object — and an accurate count of the number of atoms it contains. Play the video




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All Windows Secrets articles posted on 2013-08-15: