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Scientists to swap dirty old kilogram for something more stable

Monday, November 12, 2018 - 02:05

After years of nurturing a sometimes dusty lump of metal as the global reference for modern mass, scientists are to redefine the kilogram - ditching a relic made of platinum-iridium alloy for something more up to date. Stuart McDill reports.

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After years of nurturing a sometimes dusty lump of metal as the global reference for modern mass, scientists are to redefine the kilogram - ditching a relic made of platinum-iridium alloy for something more up to date. Stuart McDill reports.

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Scientists to swap dirty old kilogram for something more stable

Monday, November 12, 2018 - 02:05