The Symmetries of the universe
Why is energy conserved? What's a gauge symmetry? How were quarks discovered? All these answers in 15 minutes!
0:00 - Introduction
0:35 - Global symmetries
2:23 - Conservation laws
4:17 - Global symmetry for electrons
5:49 - Our real universe
7:42 - Changing point of view
11:23 - Local symmetry for electrons
13:10 - Conclusion
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Alessandro Roussel,
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To learn more :
https://en.wikipedia.org/wiki/Symmetr...)
https://en.wikipedia.org/wiki/Gauge_t...
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