How I built a Mechanical Calculator
5:25
4 Views of the 4-Cube
10:53
I Printed A Better Lathe
10:23
The Mechanical Integrator - a machine that does calculus
30:09
I made a precision gearbox - with NO GEARS.
1:16:39
The Curta Calculator (full documentary) Review / How To
17:49
The Insane Engineering of the Gameboy
34:54
I Saved an Electron Microscope from the Trash
20:50