Any modern jet is capable of breaking the sound barrier.
34
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Originally, Nintendo was a playing card manufacturer.
70
Castor oil is used as a lubricant in jet planes.
-5
The United States produces enough plastic film annually to cover the entire state of Texas.
13