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03/04/2021 | Campus-Meldung

Using physics to test philosophical questions experimentally

Does God play dice, do we have free will, and what do these questions have to do with physics? Prof. Dr. Kilian Singer from the University of Kassel explores these questions in his online lectures and shows that physics is not just about numbers.

Because of the Corona restrictions, Singer's teaching is also currently taking place largely digitally. The experimental physicist is taking advantage of the circumstances to put a special lecture series online: In it, he addresses frontier areas of the subject from a philosophically tinged perspective: relativity, quantum physics, nuclear physics and particle physics. The Youtube lectures, which are open to the public, are intended to be understandable not only to first-year students, but also to high school students at the advanced course level. Singer takes a step-by-step approach, conducting numerous experiments and thought experiments.

For Singer, it's a shame that more than a few think back to their physics classes with horror: "Physics is often misunderstood. At school, it comes across like arithmetic, very technical. Yet physics historically comes from philosophy." 

In his lectures, he also experimentally verifies the non-locality of quantum mechanics and thus Einstein's statement that "God does not play dice." "Einstein meant by this that in quantum physics the results of one measurement cannot be affected by a measurement taking place at another location. John Bell eventually found out the opposite. So God does play dice!" said Singer. "Now you can accept that, and if you don't want to, there's only a second interpretive approach: the world is deterministic, so we don't have free will."

The YouTube channel can be found at:
https://youtube.com/kiliansinger

The lecture series can be found at:
https://www.youtube.com/playlist?list=PLEWVM-KBUSplb0OiAscr2CNvwBVtr9jDj

 

Contact:
Prof. Dr. Kilian Singer
University of Kassel
Department of Experimental Physics I
Phone: +49 561 804-4235
Email: ks[at]uni-kassel[dot]de

Sebastian Mense
University of Kassel
Press and Public Relations
Phone: +49 561 804 -1961
E-mail: presse[at]uni-kassel[dot]de