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Are the laws of physics the same in a mirror? Could we build an exact copy of our world in antimatter? Let's talk about the discrete symmetries of physics, and the historical experiments that have highlighted their violation. Summary: 00:00 Introduction 00:46 Wu's experiment 04:15 Weak interaction and chirality 08:28 The 3 discrete symmetries CPT 11:00 Cellular automata and discrete symmetries 14:08 CP symmetry violation 17:56 T symmetry violation, the BaBar experiment 20:58 Conclusion CP violation: https://arxiv.org/pdf/hep-ex/0202016.pdf T violation (BaBar): https://arxiv.org/abs/1207.5832 https://arxiv.org/pdf/1410.1742.pdf Videos on the same theme: • How to Tell Matter From Antimatter ... • This Particle Breaks Time Symmetry • The Weak Nuclear Force: Through the l... • Quantum Physics in a Mirror Universe • Our Antimatter, Mirrored, Time-Revers... Find Passe-science on Utip, Tipeee, Twitter and Facebook: https://utip.io/passescience https://www.tipeee.com/passe-science / thomascabaret84 / passescience.youtube Music: https://www.musicscreen.org/Royalty-f... Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/... http://incompetech.com/music/royalty-... Artist: http://incompetech.com/ A lot from YouTube audio library ask me if I forgot some.