Attics were invented in Attica.
43
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
In the early 1960's, Porsche commercially manufactured farm tractors.
24
There are only 14 blimps in the world.
69
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
