Justin Solomon (MIT): https://www.youtube.com/c/justinmsolomon Keenan Krane (CMU): https://www.youtube.com/c/keenancrane Cem Yuksel (Utah): https://www.youtube.com/c/cmyuksel Inigo Quilez (ShaderToy): https://www.youtube.com/c/InigoQuilez The Art of Code: https://www.youtube.com/c/TheArtofCodeIsCool
Physics (Besides what others have listed):
ScienceClic: https://www.youtube.com/c/ScienceClicEN Simons Foundation: https://www.youtube.com/user/SimonsFoundation Quanta Magazine: https://www.youtube.com/c/QuantaScienceChannel
Robotics:
Cyrill Stachniss: https://www.youtube.com/c/CyrillStachniss Russ Tedrake's Underactuated Robots: https://www.youtube.com/channel/UChfUOAhz7ynELF-s_1LPpWg
Art:
Entagma: https://www.youtube.com/c/Entagma Creators: https://www.youtube.com/c/TheCreatorsProject