A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
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
About 39,000 gallons of water are used to produce the average car!
14
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250