The Self Balancing Monorail

9:17
How This Pen Changed The World

8:43
Surviving Venus in the 1970s

27:20
Why Don’t Railroads Need Expansion Joints?

22:55
Dünya'nın En Akıllı Kuzgununu Bir Sınava Soktuk

14:53
Why Are Rails Shaped Like That?

21:39
How Fukushima Actually Happened

31:32
Flying the U-2 Spy Plane 70,000 Feet to the Edge of Space

29:52