The life boat was patented in 1845!
29
The first alarm clock could only ring at 4 a.m.
120
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 United States produces enough plastic film annually to cover the entire state of Texas.
13
Any modern jet is capable of breaking the sound barrier.
34
Kleenex tissues were originally used as filters in gas masks.
46
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47