There's more to those colliding blocks that compute pi
How to measure the universe | The Cosmic Distance Ladder Part 2
Bertrand's Paradox (with 3blue1brown) - Numberphile
Terence Tao on how we measure the cosmos | The Distance Ladder Part 1
Five puzzles for thinking outside the box
A tale of two problem solvers | Average cube shadow area
How wiggling charges give rise to light
Olympiad level counting (Generating functions)
3Blue1Brown angrily lashes out at you for being bad at math (POV)
Differential equations, a tourist's guide | DE1
Преломление и «замедление» света | По мотивам лекции Ричарда Фейнмана
How to lie using visual proofs
The most unexpected answer to a counting puzzle
Researchers thought this was a bug (Borwein integrals)