Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
Jumbo jets use 4,000 gallons of fuel to take off.
19
The electric chair was invented by a dentist!
122
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
The ball on top of a flagpole is called a 'truck'.
24
A small airplane can fly backwards.
75
In the early 1960's, Porsche commercially manufactured farm tractors.
24