How Did The Meter Get Its Length? - NPR

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One of 30 copies of the first protoype meter made by the International Bureau of Weights and Measures (BIPM) in Sevres, France. 1875-1889 NIST Museum Collection hide caption

toggle caption NIST Museum Collection

One of 30 copies of the first protoype meter made by the International Bureau of Weights and Measures (BIPM) in Sevres, France. 1875-1889

NIST Museum Collection

The U.S. doesn't routinely use the metric system. The U.S. government definition of a foot is 0.3048 meters. But if the length of a foot is based on the meter, what's the length of the meter based on?

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