Kilogram, ampere, kelvin and mole redefined
In a landmark decision, representatives from 60 countries voted to redefine the International System of Units (SI), changing the world's definition of the kilogram, the ampere, the kelvin and the mole, forever.
from Latest Science News -- ScienceDaily https://ift.tt/2zdAj7t
from Latest Science News -- ScienceDaily https://ift.tt/2zdAj7t
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