The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The United States produces enough plastic film annually to cover the entire state of Texas.
13
The life boat was patented in 1845!
29
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2
Originally, BMW was an airplane engine manufacturer.
69
In the early 1960's, Porsche commercially manufactured farm tractors.
24