Why Screws Took Centuries to Perfect
18:33
Where DO screws come from?
17:37
The Hidden Complexity of Bearing Balls
21:52
When Public Art Goes Wrong
19:54
The HIDDEN Screws of PRECISION
17:39
Zelenskyy’s SHOCKING Offer to NATO SHOCKS the World
14:21
The Genius Design of Narco Submarines
14:14
The Invention that Accidentally Made McMansions
30:21