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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 ...

The International Committee for Weights and Measures is about to reach a decision that could affect the teaching and understanding of basic science for the next hundred years. It has passed a ...

Add Yahoo as a preferred source to see more of our stories on Google. Le kilogramme est mort. Vive le kilogramme! The U.S. National Institute of Standards and Technology called this Friday a “turning ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. We measure stuff all the time—how long, how heavy, how hot, and so ...

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 have voted to approve the ...

Scientists have changed the way the kilogram is defined. Currently, it is defined by the weight of a platinum-based ingot called "Le Grand K" which is locked away in a safe in Paris. On Friday, ...

The vote to redefine the kilogram was, as expected, unanimous, with representatives from more than 50 countries saying "yes" or "oui" at the historic meeting in Versailles, France. Bill Phillips, a ...