Any modern jet is capable of breaking the sound barrier.
34
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
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
Kleenex tissues were originally used as filters in gas masks.
46
Originally, BMW was an airplane engine manufacturer.
69
A small airplane can fly backwards.
75