“You do ill if you praise, but worse if you censure, what you do not understand.” Leonardo da Vinci, Italian Renaissance polymath (1452 – 1519).
Wednesday, 13 July 2016
Weights are measured
As part of the project to redefine the kilogram the NIST-4 watt balance
has completed new measurements of Planck’s constant. The value of h being
6.62606983 x 10–34 kg.m2/s with an uncertainty of plus or minus 22 on the last
two digits.
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