From today 20/05/2019 the kilogram has a new definition, in terms of fundamental constants of the universe.
https://en.m.wikipedia.org/wiki/Kilogram
All the platinum alloy standard kilograms scattered across the globe can now take a well-earned rest.
Congratulations Kilogram!
From today 20/05/2019 the kilogram has a new definition, in terms of fundamental constants of the universe.
https://en.m.wikipedia.org/wiki/Kilogram
All the platinum alloy standard kilograms scattered across the globe can now take a well-earned rest.