The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
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
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
UFO sightings have reduced by over 80% since the introduction of smartphones and public access to HD video.
2
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308