Kleenex tissues were originally used as filters in gas masks.
46
Attics were invented in Attica.
43
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 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
The electric chair was invented by a dentist!
122
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20