An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
The average car produces a pound of pollution every 25 miles!
18
The life boat was patented in 1845!
29
In the early 1960's, Porsche commercially manufactured farm tractors.
24
Originally, BMW was an airplane engine manufacturer.
69
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55

