A small airplane can fly backwards.
75
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
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
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
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
Kleenex tissues were originally used as filters in gas masks.
46