The 3-4-7 miracle. Why is this one not super famous?
22:49
How did Fibonacci beat the Solitaire army?
38:33
Pythagoras twisted squares: Why did they not teach you any of this in school?
12:59
SOUTH KOREA | Fix The Equation by moving 1 stick | Improve IQ | Matchstick Puzzle
18:35
The Most Mind-Blowing Aspect of Circular Motion
13:14
Aristotle's Wheel Paradox - To Infinity and Beyond
19:06
Reinventing the magic log wheel: How was this missed for 400 years?
16:57
Popular Science's "Unsolved" Car Puzzle
14:03