Sony researchers have developed a refrigerator that only opens when you smile.
9
More than a billion transistors are manufactured every second.
-25
In the early 1960's, Porsche commercially manufactured farm tractors.
24
Originally, Nintendo was a playing card manufacturer.
70
Kleenex tissues were originally used as filters in gas masks.
46
The United States produces enough plastic film annually to cover the entire state of Texas.
13
