The last device destroyed a rope
12:46
When is Redundancy Ridiculous?
16:40
This is my most requested video...EVER
20:40
Mini Giant Marble Clock that tells the time using marbles - Still too big
39:29
The Last Unsolved Problem of Climbing Ropes
19:45
Better than sliced bread
55:37
Sonunda Beklenen Uçuş Geldi! 😎🚀
24:08
Testing 8 Innovative New Boat Propeller Designs
10:32