The electric kilo: Tears, joy as kilogram gets historic update
457 views · Published 18 November 2018 · 0:57 · Indexed 23 September 2026
Channel: ABC Television Stations · 2018 · News & Politics
In a historic vote, more than 50 nations unanimously approved an overhaul of the international measurement system that underpins global trade and other human endeavors, uniting Friday behind new definitions for the kilogram and other units in a way they fail to do on many other issues. Scientists, for whom the update represented decades of work, clapped, cheered and even wept as delegates gathered in Versailles one by one said "yes" or "oui" to the change, hailed as a revolution in how humanity measures and quantifies its world. The redefinition of the kilogram, the globally approved unit of mass, was the most hotly anticipated change. For more than a century, the kilogram has been defined as the mass of a cylinder of platinum-iridium alloy kept in a high-security vault in France. That artifact, nicknamed "Le Grand K," has been the world's sole true kilogram since 1889. Now, with the vote, the kilogram and all of the other main measurement units will be defined using numerical values that fit handily onto a wallet card. Those numbers were read to the national delegates before they voted. The update will take effect May 20. http://abc7.com/4703442
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