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
Kleenex tissues were originally used as filters in gas masks.
46
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
Any modern jet is capable of breaking the sound barrier.
34