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Why scientists killed the old kilogram after 130 years and rewrote the standard
For more than a century, a single metal cylinder in a Paris vault quietly defined what a kilogram was. After 130 years, ...
DeskTech has launched a new desktop centrepiece in the form of a Kilogram Prototype to commemorate the change to the IPK which was retired earlier this month on May 20th, 2019. Watch the promotional ...
PARIS — A kilogram just isn't what it used to be. The 118-year-old cylinder that is the international prototype for the metric mass, kept tightly under lock and key outside Paris, is mysteriously ...
Project Avogadro seeks to change the definition of a kilogram from the weight of a hunk of metal that currently resides in France to a measurement based on fundamental constants (like every other unit ...
A kilo is a kilo is a kilo, right? Wrong. Monday marks World Metrology Day, and this year’s edition sees a big change in the way the kilogram unit is defined. In November last year, scientists and ...
A replica of the International Prototype Kilogram is pictured is seen at the 26th meeting of the General Conference on Weights and Measures (CGPM) to vote on the redefinition of four base units of the ...
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