The killer passage in this great piece on the International Prototype Kilogram: "The IPK can’t technically lose or gain weight. Instead, it’s more accurate to say that the rest of the world has been getting slightly heavier."https://www.theverge.com/2018/11/13/18087002/kilogram-new-definition-kg-metric-unit-ipk-measurement …
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There are so many baffling concepts in that piece that my brain has just gone for a lie down.
9:25 AM - 13 Nov 2018
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