The first alarm clock could only ring at 4 a.m.
120
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
Castor oil is used as a lubricant in jet planes.
-5
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
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
More than a billion transistors are manufactured every second.
-25