An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The American Automobile Association was founded for the sole purpose of warning motorists of police speed traps!
36
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
Energy is being wasted if a toaster is left plugged in after use.
21
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
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47