How did the Enigma Machine work?
10:58
Flaw in the Enigma Code - Numberphile
28:30
How do Graphics Cards Work? Exploring GPU Architecture
11:33
How does an Elevator work?
31:33
The Oldest Unsolved Problem in Math
7:21
20 Mechanical Principles combined in a Useless Lego Machine
20:36
It's Happening - China Launches World's First Thorium Nuclear Reactor
16:10
How does the Soyuz Launch work? (and Reentry)
19:00