In the early 1960's, Porsche commercially manufactured farm tractors.
24
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Mico headphones read your brainwaves and select music based on your state of mind.
7
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60