Derek is a rally friendly, approachable and fun person to help you learn about physics and the world of science in general.
His videos go into a lot of detail without them becoming too technical or difficult to follow. They are well paced and the editing is up to par with what's popular on YouTube these days.
The topics vary from experiments to visiting interesting locations and diving deeper into a specific scientific problem. He's been on the platform for a long time and the quality of his videos have been improving ever since, promising for a bright future and a YouTube channel worth subscribing to.