What are some quality YouTube channels that you recommend?

Adding to those that aren't here

Tech ingredients - science experiments at home on a wide range of subjects

This old tony - well crafted videos about machining and other shop stuff with a pinch of humor

Look mom no computer - electronics and synths

Strange parts - maker, electronics (he made the iphone with USB c)

AvE - foul mouthed hero, tool teardowns and other stuff

Wintergatan - about a man who's making a music machine