The kilogram can do it, why not me???

(via Metafilter)

The kilogram is losing weight! (NYT link requries registration)

At least, the refence kilogram, defined by a platinum-iridium cylinder, has lost 50 micrograms, so scientists are looking for a new way of defining the kilogram, perhaps as a certain number of molecules of an element. They’re probably afraid they’ll look fat next to a slimmer, trimmer kilogram at parties.

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