Why can't they update the Avogadro constant and keep having 1 mole weight 12g of... | Hacker News

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		Jyaif on July 6, 2017 \| parent \| context \| favorite \| on: NIST to redefine the kilogram based on a fundament... Why can't they update the Avogadro constant and keep having 1 mole weight 12g of carbon 12?

spiralganglion on July 6, 2017 | [–]

And for that matter, isn't it a bit frivol to call it a constant, if it's based on something mutable? Perhaps "the Avogadro number" would be a more appropriate name.

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