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2021 Ta You Wu Lecture in Physics | A Nocturnal Discovery that Triggered a Revolution in International Metrology

Klaus von Klitzing, Nobel Laureate and Professor (Max Planck Institute for Solid State Research, Germany)
Wednesday, October 13, 2021
4:00-5:00 PM
The quantum Hall effect, an unexpected discovery at 2 a.m. on the 5th of February 1980 led to my Nobel Prize in 1985 and to a realization of a resistance standard based on fundamental constants. Since fundamental constants are the most stable quantities in our universe, a new international system of units based on constants of nature was introduced in 2019. The talk presents an overview of the quantum Hall effect and this importance for our new definition of the mass unit kilogram.
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Event Type: Presentation
Tags: Astronomy, Basic Science, Biosciences, Faculty, Free, Graduate, Graduate And Professional Students, Graduate School, Graduate Students, Lecture, Natural Sciences, Physics, Postdoctoral Research Fellows, Prospective Graduate Students, Prospective Undergraduate Students, Science, Talk, Undergraduate Students
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