The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
The Google driverless car has only encountered two accidents. The first it was rear ended at a stop sign, and the second was when a human was behind the wheel.
7
Attics were invented in Attica.
43
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
Car airbags kill 1 person for every 22 lives that they save.
80
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
12
Castor oil is used as a lubricant in jet planes.
-5