A small airplane can fly backwards.
75
In the early 1960's, Porsche commercially manufactured farm tractors.
24
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 average car produces a pound of pollution every 25 miles!
18
Sony researchers have developed a refrigerator that only opens when you smile.
9
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55