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
The United States produces enough plastic film annually to cover the entire state of Texas.
13
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
The cigarette lighter was invented before the match.
210
The average car produces a pound of pollution every 25 miles!
18
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308