UFO sightings have reduced by over 80% since the introduction of smartphones and public access to HD video.
2
Whale oil was used in automobile transmissions as late as 1973.
56
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
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
The United States produces enough plastic film annually to cover the entire state of Texas.
13