Geometric aspect of classical mechanics
There are many approaches to classical mechanics. The first introduction in high school is intuitive and fit into our everyday experience: motion of a single particle is some trajectory in…
Quantum Theory of Solids by Subir Sachdev
I started Prof. Sachdev's Havard course Physics 295b: Quantum Theory of Solids in the end of October 2021, and finished the first 30 lecture videos in the beginning of February…