The video loads from YouTube only after you press Play.
A 13-minute video by Up and Atom about recreational mathematics, on the Mathematics shelf. A commenter in r/CasualConversation recommended it.
Up and Atom, Video, 13 min, 2023, on the Mathematics shelf
The moving sofa problem: the largest shape that fits around a corner.
8 min
How to Figure Out the Day of the Week For Any Date EverBe SmartRecommended in r/CasualConversation
21 min
How Many Holes Does a Human Have?VsauceRecommended in r/CasualConversation
5 min
The most unexpected answer to a counting puzzle3Blue1BrownRecommended in r/CasualConversation
14 min
The Josephus Problem - NumberphileNumberphileRecommended in r/CasualConversation
18 min
a better way to countjan MisaliRecommended in r/CasualConversation
20 min
But what is the Fourier Transform? A visual introduction.3Blue1BrownMentioned in r/ElectricalEngineering
13 min
Why slicing a cone gives an ellipse (beautiful proof)3Blue1BrownMentioned in r/3Blue1Brown
22 min
Group theory, abstraction, and the 196,883-dimensional monster3Blue1BrownMentioned in r/compsci