Kilogram, Si

21-May-2019 Tuesday
Changed definition of kilogram.


maksim26ru
 
Changed definition of kilogram.
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Units Kilogram The science Si Technologies

16-November-2018 Friday
The kilogram became intangible


nplus1
 
The kilogram became intangible
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The kilogram became intangible - The science, news, Physics, Kilogram, Reference, Si, Metrology
Kilogram Metrology The science news Si Physics Reference
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