A Ciência das Bolas
24:04
The Science Of Cutting
22:37
The Ingenious Simplicity Of O-Rings
15:23
How NASA Reinvented the Mechanical Battery
21:29
What if you just keep zooming in?
23:12
The Clever Engineering Of Piston Rings
20:13
I Finally Did It! After 8 years I found the PERFECT GEARS
19:38
How Caulk Accidentally Killed Ornamental Buildings
21:28