Scientists are finally ready to agree on the mass of a kilogram

After decades of debate and extensive testing, an international team of scientists might finally be about to agree on the exact mass of a kilogram. You might think the mass of a kilogram is already pretty obvious - it’s 1,000 grams, or 2.2 pounds,...
by José Lourenço via Facebook at October 16, 2015 at 01:28PM
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