The life boat was patented in 1845!
29
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
Jumbo jets use 4,000 gallons of fuel to take off.
19
Whale oil was used in automobile transmissions as late as 1973.
56
About 39,000 gallons of water are used to produce the average car!
14
A small airplane can fly backwards.
75