An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The cigarette lighter was invented before the match.
210
A Citreon 2CV with an oil leak once travelled 500 miles through Italy after its gearbox was filled with bananas!
16
Kleenex tissues were originally used as filters in gas masks.
46
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
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
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
Sony researchers have developed a refrigerator that only opens when you smile.
9