I’d throw in Periodic Videos for chemistry, brought to you from the same guy who does Numberphile. It’s just a pleasure to watch, even if you already know the m

I’d throw in Periodic Videos for chemistry, brought to you from the same guy who does Numberphile. It’s just a pleasure to watch, even if you already know the material. MinutePhysics is also a lot of fun as a teaching aid, or entertainment.