Invitation to the press for the symposium and the ceremonial act
If you want to know how to measure truly accurately, the Physikalisch-Technische Bundesanstalt (PTB) is precisely the place to be. And this is not just the case nowadays, but rather it has been so for precisely 125 years. When the first budget of the Physikalisch-Technische Reichsanstalt (PTR), the predecessor of PTB, was...
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