A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
The life boat was patented in 1845!
29
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Kleenex tissues were originally used as filters in gas masks.
46
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 Google driverless car has only encountered two accidents. The first it was rear ended at a stop sign, and the second was when a human was behind the wheel.
7