The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
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
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
In the early 1960's, Porsche commercially manufactured farm tractors.
24