There are only 14 blimps in the world.
69
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
The cigarette lighter was invented before the match.
210
Attics were invented in Attica.
43
Originally, BMW was an airplane engine manufacturer.
69
