Metrologists to Redefine the Kilogram
The weight of a kilogram is changing—and metrologists want it to stop. The kilogram isn’t just an ephemeral standard of measurement; it’s a physical cylinder of platinum-iridium alloy, cast in 1879 and squirreled away under lock and key at the International Bureau of Weights and Measures in Sèvres, France,…
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Metrologists to Redefine the Kilogram
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on January 28, 2011. Filed under News, World News.
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Metrologists to Redefine the Kilogram
The weight of a kilogram is changing—and metrologists want it to stop. The kilogram isn’t just an ephemeral standard of measurement; it’s a physical cylinder of platinum-iridium alloy, cast in 1879 and squirreled away under lock and key at the International Bureau of Weights and Measures in Sèvres, France,…
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Metrologists to Redefine the Kilogram
Posted by
on January 28, 2011. Filed under News, World News.
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