Kleenex tissues were originally used as filters in gas masks.
46
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
Originally, Nintendo was a playing card manufacturer.
70
A toaster uses almost half as much energy as a full-sized oven.
33