Kilogram conflict resolved at last - 3 views
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jcunha on 15 Oct 15Apparently it's time for retirement of the Le Grand K, if all goes well until the middle of next year...
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Ma Ru on 16 Oct 15"One method (...) involves counting the atoms in two silicon-28 spheres that each weigh the same as the reference kilogram." Sounds like a lengthy task, but someone must keep those physics PhD students busy, I guess...