In the early 1960's, Porsche commercially manufactured farm tractors.
24
Castor oil is used as a lubricant in jet planes.
-5
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
A small airplane can fly backwards.
75
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46