I get my blood pressure to dangerous levels each time I stumble upon some high quality video lectures on youtube that explain some topics that were totally fucked in university, like PID control. 30 Minute video made by some amateur with cool animations explains basically 95% of everything you need to know vs old lifeless dork professor at "elite" university mumbling some nonsense and throwing walls of formulas with…
This rings so true for me. Lot of teachers has this ass backwards style of teaching where they will come up with final formula like deus-ex machina. Why? To buy his text book where it is explained the way he wants it.