A small airplane can fly backwards.
75
Kleenex tissues were originally used as filters in gas masks.
46
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 average car produces a pound of pollution every 25 miles!
18
The life boat was patented in 1845!
29
Castor oil is used as a lubricant in jet planes.
-5
There are only 14 blimps in the world.
69