The first alarm clock could only ring at 4 a.m.
120
The United States produces enough plastic film annually to cover the entire state of Texas.
13
The electric chair was invented by a dentist!
122
Any modern jet is capable of breaking the sound barrier.
34
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
A toaster uses almost half as much energy as a full-sized oven.
33