Re: Fotos: Niagara Falls (1651362) | |||
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Re: Fotos: Niagara Falls |
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Posted by Spider-Pig on Mon Aug 26 11:39:31 2019, in response to Re: Fotos: Niagara Falls, posted by Orange Blossom Special on Mon Aug 26 11:14:54 2019. The change was negligible for day-to-day use.At some point they'll have to change it again so that 1 mole of Carbon-12 once again has an exact mass of .012 kg. |