A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
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
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
The life boat was patented in 1845!
29
