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Harald Lesch: Quantum mechanics for laypeople. Why do we need this theory that hardly anyone understands? Where does it come from and how can you make money with it? What is light? What is uncertainty? What role does quantum mechanics play in the Big Bang? Harald Lesch takes you into the incredible world of the smallest things. Big Bang, the universe and life (www.urknall-weltall-leben.de) Scientists explain science Do you have any more questions? ► https://urknall-weltall-leben.de/frag... Book about the channel ► Live lectures ► https://www.josef-gassner.de/veransta... Our team ► https://Urknall-Weltall-Leben.de/team Newsletter ► https://Urknall-Weltall-Leben.de/News... Instagram ► / urknall.weltall.leben Donation ► https://josef-gassner.de/spenden.html Many thanks to everyone who supports our project!