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About Candela

We are pleased: welcome, natural constants! In this way one could briefly summarize what is going on between November 2018 and May 2019 in the world of measurement. On November 16, 2018, the International CIML decided on a fundamental change in the International System of Units (SI). After a transitional period of 7 months, it will no longer be 7 basic units that form the basis of all measurement, but 7 natural constants. The changes will be implemented on 20 May 2019.

In our blog Candela, the International Cooperation of the Physikalisch-Technische Bundesanstalt Braunschweig presents the results of its work. In the field of development cooperation PTB supports the partner countries in establishing national metrology, standardization, testing, certification and accreditation systems – also referred to as quality infrastructure. Please sign up for our Candela mailing list here!

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