First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
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 oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
The electric chair was invented by a dentist!
122
Whale oil was used in automobile transmissions as late as 1973.
56