Any modern jet is capable of breaking the sound barrier.
34
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
Castor oil is used as a lubricant in jet planes.
-5
Jumbo jets use 4,000 gallons of fuel to take off.
19
There are only 14 blimps in the world.
69
The first alarm clock could only ring at 4 a.m.
120