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The unit of mass in the new SI

Breite Öffentlichkeit Kolloquium / Kongress / Forum
28.04.2021 16:50

On May 20, 2019, metrology underwent an unprecedented revolution. Four of the seven base units have been redefined so that today the entire system is based on fixed values of fundamental constants. In particular, the unit of mass, the kilogram, is now related to Planck's constant.
After a brief introduction and the presentation of the new International System of units (SI), we will focus on the new realizations of the kilogram, in particular the watt balance also called Kibble balance. The design and operation of the Metas experiment will be explained and its latest results will serve as a conclusion.

Wann? 28.04.2021 16:50
Online Meeting ID: 890 4428 1362 / Passcode: 419708

 Link zur Online-Veranstaltung

Vortragende Dr. Ali Eichenberger
Eidgenössisches Institut für Metrologie, METAS
Kontakt Département de physique
Claude Monney
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