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
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Energy is being wasted if a toaster is left plugged in after use.
21
It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93
Sony researchers have developed a refrigerator that only opens when you smile.
9


