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seunosewa
on Oct 14, 2015
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Kilogram conflict resolved at last
That's unfortunate. How did it come to be that way?
lvh
on Oct 14, 2015
[–]
Water is too hard to keep constant, and too hard to reproduce. Keeping it exactly in 1dm3 is tricky, for example. Not for "regular" use, with a few significant digits of course; but when you're defining fundamental physical constants, atoms count.
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