The first alarm clock could only ring at 4 a.m.
120
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Attics were invented in Attica.
43
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
More than a billion transistors are manufactured every second.
-25
The United States produces enough plastic film annually to cover the entire state of Texas.
13