Tags - object

Kilogram to be based on physical absolute instead of single, physical object

TEHRAN, May 23-The kilogram is no longer defined by a physical object -- starting Monday, the unit of measurement will be based on fundamental constants, atomic properties and physical absolutes.

News ID: 39759 Publish Date : 2019/05/23

Young journalists club

Kilogram to be based on physical absolute instead of single, physical object

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