A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
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
Whale oil was used in automobile transmissions as late as 1973.
56
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
The cigarette lighter was invented before the match.
210
The life boat was patented in 1845!
29
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250