On May 20th, the kilogram will no longer be defined by a lump in France
On May 20th, World Metrology Day, the scientific community will officially change the definition of the kilogram. For 130 years, the kilo has been defined by a physical cylinder of platinum-iridium alloy, known as Le Grand K and stored in a vault out...from Engadget RSS Feed https://engt.co/2w7AU8M
On May 20th, the kilogram will no longer be defined by a lump in France
![On May 20th, the kilogram will no longer be defined by a lump in France]()
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May 18, 2019
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