More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
The life boat was patented in 1845!
29
Any modern jet is capable of breaking the sound barrier.
34
Kleenex tissues were originally used as filters in gas masks.
46
There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
12
A small airplane can fly backwards.
75
In the early 1960's, Porsche commercially manufactured farm tractors.
24
There are only 14 blimps in the world.
69