Sciences/ Scientists Redefine the Centuries-Old Definition of a Kilogram

In 1791, several prominent scholars from the French Academy of Sciences began working to create a universal system of measurement. They wanted it to be accessible to everyone on the planet, so they decided it would be based on nature. The meter was defined as a specific fraction of Earth’s circumference, and other units were derived from it. For instance, the kilogram was defined as the weight…
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