Kleenex tissues were originally used as filters in gas masks.
46
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Future biotechnology could be used to trick a prisoner's mind into thinking they have served a 1,000 year sentence in only eight hours, a group of scientists have claimed.
0
It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93
The life boat was patented in 1845!
29