Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
Whale oil was used in automobile transmissions as late as 1973.
56
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
A toaster uses almost half as much energy as a full-sized oven.
33
The electric chair was invented by a dentist!
122
The United States produces enough plastic film annually to cover the entire state of Texas.
13
Jumbo jets use 4,000 gallons of fuel to take off.
19