A small airplane can fly backwards.
75
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
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
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12