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00:29:00

A New Kilogram in 2018: The Biggest Revolution in Metrology Since the French Revolution

by Klaus vonKlitzing | Lectures | 18-22 and upwards | 8 years ago | 1411 views More details Watch now
00:33:00

What About Redefining Time Using a Stable Laser?

by John Hall | Lectures | 18-22 and upwards | 8 years ago | 1385 views More details Watch now