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
A small airplane can fly backwards.
75
There are only 14 blimps in the world.
69
The first alarm clock could only ring at 4 a.m.
120
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
The United States produces enough plastic film annually to cover the entire state of Texas.
13
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184