Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
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
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
A small airplane can fly backwards.
75
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
