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 : And if you liked this video, you can share it on social networks! To support me on Patreon : or on Tipeee : Facebook Page : Twitter : Instagram : Alessandro Roussel, For more info: _ To learn more : (physics)