Mark is a former NASA engineer who uses his expertise to make wild and crazy gadgets.
Destin takes deep dives into the wonders of the modern world, exploring engineering marvels such as nuclear submarines, the James Webb Space Telescope, etc.
Derek explains a lot of basic scientific concepts that are often fundamentally misunderstood.
Steve talks about a wide variety of quirky phenomena.
The Slow Mo Guys love blowing things up in slow motion. They often exam and analyze events that are too quick for us to see, in a way that helps make it clear what is really going on.
Chemistry
This videos are detailed and methodical in their use of basic chemistry techniques to perform some amazing chemistry experiments.
Computer Science
Ben systematically creates a computer little by little on an ever-expanding breadboard, explaining how each part works, from the very first wire all the way through writing a program for the computer.
Engineering
This group of guys creates some amazing projects and have a lot of fun doing it. They love to “make it real”, creating real life imitations of far-out superhero and sci fi gadgets.
Ben performs high level engineering feats, like creating aerogel, putting together an electron microscope, making a DIY water jet cutter, making photographs with leaves, etc. He explains the scientific and engineering principles behind his projects in great detail.
Grady, a professional civil engineer, explains the basics of the intrastructure around us.
Shane has a shop full of CNC machines, 3D printers, plasma cutters, etc, that he uses to make incredible projects while having a lot of fun.
Stefan does repeated, controlled experiments to find the best ways to 3D print things. It’s a great way to see the scientific method in action as well as learn about 3D printing.
Unlike some of these other channels, Jeremy calmly and humbly explains the basics of mechanical and electrical engineering using straight-forward engineering projects.
Mathematics
These are amazingly beautiful and well-done explanations of a variety of mathematical concepts.
These videos show professional mathematicians excited about quirky math problems.
This channel contains an excellent set of videos explaining complex numbers, starting with the very basics and working up to one of the most important unsolved problems in mathematics.
Physics
A high school physics teacher covers high school physics concepts.