The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
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
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
The average car produces a pound of pollution every 25 miles!
18
The electric chair was invented by a dentist!
122
The ball on top of a flagpole is called a 'truck'.
24
Castor oil is used as a lubricant in jet planes.
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