The Most Reflective Mirror In The World
10:54
How Hard Is It To Freeze Flowing Water?
13:06
HUGE Magnet VS Copper Sphere - Defying Gravity- Will a Neodymium Magnet Float Inside?
9:57
This tests your understanding of light | The barber pole effect
47:13
The Unsolved Mystery of Impact Flashes - Smarter Every Day 307
9:46
Trapping An Electron In a Box
33:01
The Man Who Almost Broke Math (And Himself...)
17:04
How does a "first surface" mirror work? (2^15 sub special!)
9:49