A conversation about mathematics inspired by an area the size of Wales. Presented by Katie Steckles and Peter Rowlett.
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Mathematical Objects: An area the size of Wales
You're reading: Posts Tagged: SI units
Kilogram definition to be changed to be based on Planck’s constant
A vote is taking place today at the General Conference on Weights and Measures in Paris, to change the definition of the unit of mass, the kilogram.