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Videoanimation Units in everyday life

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In der Führungsebene der Physikalisch-Technischen Bundesanstalt (PTB) steht ein wichtiger Personalwechsel an. Ab 1. Mai des kommenden Jahres wird die Physikerin Prof. Dr. Cornelia Denz von der Westfälischen Wilhelms-Universität Münster die PTB leiten. Der derzeitige PTB-Präsident, Prof. Dr. Dr. h. c. Joachim Ullrich, der die Präsidentschaft seit dem Jahr 2012 innehat, scheidet dann altersbedingt aus. In der 135-jährigen Geschichte der PTB wird Cornelia Denz die erste Frau an der Spitze des nationalen Metrologieinstituts Deutschlands sein. Sie erhielt ihre Berufung in dieses höchste Amt der nationalen Metrologie vom Bundesminister für Wirtschaft und Energie (BMWi), Peter Altmaier, in dessem Ressort die PTB angesiedelt ist. Das Ministerium folgt mit dieser Berufung dem einstimmigen Vorschlag einer mit Vertreterinnen und Vertretern aus Wissenschaft und Wirtschaft prominent besetzten Findungskommission.

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Plakat

“Your temperature is 102 degrees – that’s a fever!” “Excuse me?” You could experience a confusing conversation like this if you feel ill during your vacation in the U.S. and need to see a doctor. Temperatures are measured in Fahrenheit in the U.S.; 102 degrees Fahrenheit are equivalent to 38.9 degrees Celsius. This type of confusion (or even serious misunderstandings!) occurs very rarely – at least when measurement units are used in science. We can thank a historical event which is commemorated on 20 May each year on World Metrology Day for this: the establishment of the Metre Convention. This contract was signed in 1875 by the most important industrial nations of that era. Since that date, almost all other countries in the world have followed suit and pledged to use only metric units. The U.S. and a few other countries represent a minority which still uses Anglo-Saxon units – but only in daily life. The metric system and the...

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maßstäbe - the popular-science magazine of PTB

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