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 first alarm clock could only ring at 4 a.m.
120
Castor oil is used as a lubricant in jet planes.
-5
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 cigarette lighter was invented before the match.
210
The IRS processes more than 2 billion pieces of paper each year.
28
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55