The electric chair was invented by a dentist!
122
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
The ball on top of a flagpole is called a 'truck'.
24
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The life boat was patented in 1845!
29
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2
The American Automobile Association was founded for the sole purpose of warning motorists of police speed traps!
36
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43