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What role does quantum mechanics play in the creation of the universe? Prof. Harald Lesch explains why fundamental theories such as the Heisenberg uncertainty principle and the quantum of action are crucial to understanding phenomena such as stellar fusion, the creation of matter and the cosmic background radiation. Nationwide Wilhelm and Else Heraeus teacher training course on astronomy. Recorded in the House of Astronomy in Heidelberg. Big Bang, Universe and Life (www.urknall-weltall-leben.de) Scientists explain science Books about the channel ► https://urknall-weltall-leben.de/shop... Live lectures ► https://www.josef-gassner.de/veransta... Donation ► https://urknall-weltall-leben.de/spen... Subscription ► https://www.youtube.com/user/UrknallW... Many thanks to everyone who supports our project!