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 Mumbai-based pizzeria that now delivers pizza by drone.
4
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
The electric chair was invented by a dentist!
122
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
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308