The first alarm clock could only ring at 4 a.m.
120
Attics were invented in Attica.
43
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
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Castor oil is used as a lubricant in jet planes.
-5