Why shadows (almost) always trace out hyperbolas (but it depends on where you live).
10:16
Why following your compass will (almost) always lead you to the North or South Pole | Math of Maps
12:52
Pourquoi trancher un cône donne une ellipse (belle preuve)
14:00
Courbes que nous (la plupart du temps) n'apprenons pas au lycée (et leurs applications)
56:51
Geography 🌎! Earth shape! latitude longitude!great circle! circle of illumination! Solstice
10:25
Probably the weirdest function I encountered as an engineering student
18:39
Can you crack this beautiful equation? – University exam question
30:29
Geniale Bauarbeiter, die auf einem anderen Level sind
9:54