The Latest on a scientific meeting on how to define weights and measures (all times local): 1:35 p.m. The international system of measurements has been overhauled with new definitions for the kilogram ...

Deep underneath the Parisian suburb of Saint-Cloud, in a vault that can only be opened by three people wielding three different keys, there lies a hunk of metal that is so crucial to the world of ...

The kilogram is getting an update. No, your bathroom scales won’t suddenly become kinder and a kilo of fruit will still weigh a kilo. But the way scientists define the exact mass of a kilogram is ...

The international system of measurements has been overhauled with new definitions for the kilogram and other key units. At a meeting in Versailles, France, countries voted unanimously to approve ...

Scientists say the old definition of Kilogram would not work in the 21st century. (File) If John Pratt were an international criminal mastermind, he would fly to Paris, don an all-black suit and ski ...

The 'one kilogram to rule them all' was cast in platinum and iridium in 1879 and is kept in a triple-locked vault THE world says goodbye to the original kilogram on May 20, on World Metrology Day.

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Scientists from around the world are gathering in France today to decide the fate of the kilogram. For nearly 130 years, the kilogram has been based on a lump of metal called the Big K, locked in a ...

VERSAILLES, France — The Latest on a scientific meeting on how to define weights and measures (all times local): At a meeting in Versailles, France, countries have voted to approve the wide-ranging ...

In this photo taken Wednesday, Oct. 17, 2018., the head of BIPM (International Bureau of Weights and Measures) Martin J.T. Milton holds a replica of the International Prototype Kilogram in Sevres, ...

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