More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
The first alarm clock could only ring at 4 a.m.
120
Future biotechnology could be used to trick a prisoner's mind into thinking they have served a 1,000 year sentence in only eight hours, a group of scientists have claimed.
0
Whale oil was used in automobile transmissions as late as 1973.
56
More than a billion transistors are manufactured every second.
-25
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Sony researchers have developed a refrigerator that only opens when you smile.
9