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
Kleenex tissues were originally used as filters in gas masks.
46
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
The first alarm clock could only ring at 4 a.m.
120
There are only 14 blimps in the world.
69
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33