The Perfect Road for a Square Wheel and How to Design It

22:43
How to Design the Perfect Shaped Wheel for Any Given Road

31:17
What Gear Shape Meshes With a Square?

21:58
How to Design a Wheel That Rolls Smoothly Around Any Given Shape

33:37
Something Strange Happens When You Trust Quantum Mechanics

27:26
This open problem taught me what topology is

4:08:06
Boost Your Brain Power with Mozart 🎶|Music to Enhance Cognitive Function, Study, or Relaxation

23:34
Is this one connected curve, or two? Bet you can't explain why...

1:09:42