Frederic Schuller's course of Gravity and Light, covering General Relativity. It has a few tactical gaps but it will give you everything you could ever practica

Frederic Schuller's course of Gravity and Light, covering General Relativity. It has a few tactical gaps but it will give you everything you could ever practically need. https://youtube.com/playlist?list=PLFeEvEPtX_0S6vxxiiNPrJbLu9aK1UVC_ https://youtube.com/playlist?list=PLFeEvEPtX_0S6vxxiiNPrJbLu...