An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Kleenex tissues were originally used as filters in gas masks.
46
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2
The electric chair was invented by a dentist!
122
A Citreon 2CV with an oil leak once travelled 500 miles through Italy after its gearbox was filled with bananas!
16
Car airbags kill 1 person for every 22 lives that they save.
80
The United States produces enough plastic film annually to cover the entire state of Texas.
13
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10