Thought for the month

“Nothing in life is to be feared, it is only to be understood. Now is the time to understand more, so that we may fear less.” Maire Curie, Scientist (1867-1934).

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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