An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
A small airplane can fly backwards.
75
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Future biotechnology could be used to trick a prisoner's mind into thinking they have served a 1,000 year sentence in only eight hours, a group of scientists have claimed.
0
The IRS processes more than 2 billion pieces of paper each year.
28
In 1998, Sony accidently sold 700,000 camcorders that had the technology to see through people's clothes.
88
UFO sightings have reduced by over 80% since the introduction of smartphones and public access to HD video.
2