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Holy moley! The amp, kelvin and kilogram will never be the same again
samedi 17 novembre 2018, 09:06 , par TheRegister
Measurement nerds enter the 21st century
As incredible as it may seem, until this week the definitive measurement of a kilogram was a cylinder made of an alloy comprising 90 per cent platinum and 10 per cent iridium sat under a glass dome in a room in Paris.…
go.theregister.com/feed/www.theregister.co.uk/2018/11/17/amp_kelvin_kilogram/
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