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Kalinin M.


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Reformation of the International System of Units has strengthened its fundamental principles

Issue: KIPiS 2019 #1

As you know among seven main SI units the most vulnerable is kilogram since itís a physical object made by humans and it can be destroyed or damaged. The definitions of ampere, mole, and candela depend on the kilogram definition. Over the past hundred years of comparisons the stability of the kilogram prototype nominal value in comparison to the national standards demonstrated their masses discrepancy by 50 μg. How this problem has been solved you will learn from the present article.

 

Current issue
#2 April 2019
KIPiS 2019 #2
Topic of the issue:
Modern instrumentation
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