An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The first alarm clock could only ring at 4 a.m.
120
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
Attics were invented in Attica.
43
The United States produces enough plastic film annually to cover the entire state of Texas.
13
Energy is being wasted if a toaster is left plugged in after use.
21
Jumbo jets use 4,000 gallons of fuel to take off.
19