Re: Post A Link To the Last YouTube Video You Watched
Julius Sumner Miller.
I stumbled on these (quite a lot of them) - he's an American physics teacher who had a TV series in the 1960s Australia. He explains things very well, whether it's Newton's Laws of Motion (See link), Bernoulli's hydraulic systems and why air pressure can crush an oil drum or explode a bottle full of water by adding more water from a great height. Pascal's experiment.
Good viewing for nerds everywhere.