First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Kleenex tissues were originally used as filters in gas masks.
46
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
A small airplane can fly backwards.
75
All GPS units sold in the civilian market have to be programmed to deactivate themselves if they detect they are travelling faster than 1200 MPH or are above 60,000 feet in altitude to prevent them being used in intercontinental ballistic missiles.
2
In the early 1960's, Porsche commercially manufactured farm tractors.
24
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55