The electric chair was invented by a dentist!
122
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Castor oil is used as a lubricant in jet planes.
-5