A geometry quickie!
14:54
An inscribed tower of squares.
16:28
A very interesting differential equation.
15:44
Half of a deathly area...
27:26
This open problem taught me what topology is
13:11
A simple geometry problem with a nice generalization.
11:10
A classic Japanese circle problem.
18:40
Evde Yüksek Kaliteli PCB Nasıl Yapılır / Ütülemeye Elveda Deyin
1:13:50