YouTuber Gerald Undone has created a lighthearted "stay-at-home workout tutorial" for photographers who are self-isolating, doing their part to help slow the spread novel coronavirus. The video features a bunch of photographers and videographers you'll recognize as it tries to provide a little bit of comic relief ... and help you get swole.
There are several terms in photography that are commonly mispronounced. Here's a 5-minute video in which Gerald Undone discusses them and teaches how to correct pronounce them.
Mystified by talk of "guide number" and "flash power"? Gerald Undone made this helpful 10-minute video that explains everything you need to know about the light from strobes and speedlights, from common misconceptions to practical formulas that will help you light your shots.
If you've been wanting to learn more about the subject of camera color science, here's a solid 13-minute video by Gerald Undone that will bring you up to speed on the subject.
Camera manufacturers have been utilizing different types of autofocus systems in modern digital cameras. If you'd like a primer on how each one works, here's a fantastic 18-minute video by tech tester Gerald Undone that will bring you up to speed.