The cigarette lighter was invented before the match.
210
The electric chair was invented by a dentist!
122
More than a billion transistors are manufactured every second.
-25
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