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

For more videos, subscribe to the YouTube channel :    / scienceclicen  
And if you liked this video, you can share it on social networks!

To support me on Patreon :   / scienceclic  
or on Tipeee : http://tipeee.com/ScienceClic

Facebook Page :   / scienceclic  
Twitter :   / scienceclic  
Instagram :   / scienceclic  

Alessandro Roussel,
For more info: http://www.alessandroroussel.com/en

_
To learn more :
https://en.wikipedia.org/wiki/Symmetr...)
https://en.wikipedia.org/wiki/Gauge_t...