The World's Official Kilogram Is Losing Weight and That Might Screw the Metric System [Measurements]

We've long known that there were some issues with France's 'Le Grand K', the international prototype for what a kilogram really is. Made in 1879 from platinum and iridium alloy, it is the perfect standard for what a kilogram weighs. The problem is, it's losing weight. More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/QVpLbl47994/the-worlds-official-kilogram-is-losing-weight-and-that-might-screw-the-metric-system

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