4 ms·
I think the US is not affected by this change, as the NIST didn't define what kilogram actually is back in 1959 [1]. [1] https://www.ngs.noaa.gov/PUBS_LIB/FedR
by lifthrasiir 8y ago
I think the US is not affected by this change, as the NIST didn't define what kilogram actually is back in 1959 [1].
[1] https://www.ngs.noaa.gov/PUBS_LIB/FedRegister/FRdoc59-5442.pdf https://www.ngs.noaa.gov/PUBS_LIB/FedRegister/FRdoc59-5442.p...