The electric chair was invented by a dentist!
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The average car produces a pound of pollution every 25 miles!
18
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
About 39,000 gallons of water are used to produce the average car!
14
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
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
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12