UFO sightings have reduced by over 80% since the introduction of smartphones and public access to HD video.
2
Castor oil is used as a lubricant in jet planes.
-5
The cigarette lighter was invented before the match.
210
Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
In 1998, Sony accidently sold 700,000 camcorders that had the technology to see through people's clothes.
88
The IRS processes more than 2 billion pieces of paper each year.
28