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by crispyambulance
2586 days ago
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It's actually really hard to imagine an actual physical apparatus for producing a "reference" Kg mass using the new definition of Kg. I get the feeling this just changes the definition of "Kg", but not how reference Kg's are actually produced? |
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The standard changed because people came out with a apparatus for using it. If there wasn't one, it wouldn't have changed.
But it's fit for measuring micrograms up to grams. One won't measure actual kg on it, at least not currently.