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The Physikalisch-Technische Bundesanstalt (PTB) is the national metrology institute of the Federal Republic of Germany, with scientific and technical service tasks.It is a higher federal authority and a public-law institution directly under federal government control, without legal capacity, under the auspices of the Federal Ministry for Economic Affairs and Climate Action.
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A number of national metrology laboratories maintain atomic clocks: including Paris Observatory, the Physikalisch-Technische Bundesanstalt (PTB) in Germany, the National Institute of Standards and Technology in Colorado and Maryland, USA, JILA in the University of Colorado Boulder, the National Physical Laboratory (NPL) in the United Kingdom ...
From 1931 to 1934, Diebner was Gerhard Hoffmann's teaching assistant at Halle University. [1]From 1934, Diebner was a part-time employee of the Physikalisch-Technische Reichsanstalt (PTR, Reich Physical and Technical Institute; today, the Physikalisch-Technische Bundesanstalt); he was also an advisor to the Reichswehrministerium (RWM, Reich Ministry of Defense; after 1939, the ...
"Einsteins's only experiment" (links to a directory of the Home Page of Physikalisch-Technische Bundesanstalt (PTB), Germany ). Here is a replica to be seen of the original apparatus on which the Einstein–de Haas experiment was carried out.
DCF77 is controlled by the Physikalisch-Technische Bundesanstalt (PTB), Germany's national physics laboratory and transmits in continuous operation (24 hours). It is operated by Media Broadcast GmbH (previously a subsidiary of Deutsche Telekom AG), on behalf of the PTB. With Media Broadcast GmbH, a temporal transmission availability of at least ...
Günter Sauerbrey obtained his Ph.D from Technische Universität Berlin. He was responsible of the Laboratory of Medical Techniques and Dosimetry of the Physikalisch-Technische Bundesanstalt (PTB) in Berlin for 24 years (from 1974 to 1998). [2]
Beginning in 1905 he was a scientific assistant at the Physics and Technology Institute in Berlin Charlottenburg; today known as the Physikalisch-Technische Bundesanstalt (PTB). His work at the PTB under Emil Warburg primarily dealt with high voltage /high current research and development, and in 1914 he developed a measurement methodology for ...