21:15

My Pet Eldritch Horror, Jerry the Slime

22:30

Potassium Metal From Bananas!

20:21

Many Moving Magnets Melting Metal

21:29

What if you just keep zooming in?

29:08

I built a 1,000,000,000 fps video camera to watch light move

20:00

A Simple Diagram That Will Change How You See Space and Time

16:43

Quenching a Knife in Liquid Nitrogen! Will it survive?

20:40

Mini Giant Marble Clock that tells the time using marbles - Still too big