There are only 14 blimps in the world.
69
In the early 1960's, Porsche commercially manufactured farm tractors.
24
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
Mico headphones read your brainwaves and select music based on your state of mind.
7
The United States produces enough plastic film annually to cover the entire state of Texas.
13
Any modern jet is capable of breaking the sound barrier.
34
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12