Energy is being wasted if a toaster is left plugged in after use.
21
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
A small airplane can fly backwards.
75
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
The first alarm clock could only ring at 4 a.m.
120
Attics were invented in Attica.
43
The United States produces enough plastic film annually to cover the entire state of Texas.
13
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47