How to reconcile relativity with quantum mechanics ? What is spin ? Where does the electric charge come from ? All these answers in 15 minutes ! 0:00 - Introduction 1:52 - Field and spin 4:38 - Conserved quantities 6:02 - Quantum field 7:39 - Standard model 10:15 - Interactions 13:58 - Conclusion For more videos, subscribe to the YouTube channel : null And if you liked this video, you can share it on social networks ! To support me on Patreon : http://www.patreon.com/ScienceClic or on Tipeee : http://tipeee.com/ScienceClic Facebook Page : http://facebook.com/ScienceClic Twitter : http://twitter.com/ScienceClic Instagram : http://instagram.com/ScienceClic Alessandro Roussel, For more info: http://www.alessandroroussel.com/en _ To learn more : https://en.wikipedia.org/wiki/Quantum_field_theory https://en.wikipedia.org/wiki/Symmetry_(physics)