Infinite Series - https://www.youtube.com/channel/UCs4aHmggTfFrpkPcWSaBN9g (I never thought I would find a math series one of my favorite channels)
SpaceTime - https://www.youtube.com/channel/UC7_gcs09iThXybpVgjHZ_7g
Crash Course - https://www.youtube.com/channel/UCX6b17PVsYBQ0ip5gyeme-Q
When done properly, web video/animated content can greatly enhance learning abstract, obtuse material and can be worth 1000 words per second. From Infinite Series, I finally got the gist of quantum computing.