Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
A small airplane can fly backwards.
75
Whale oil was used in automobile transmissions as late as 1973.
56
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Kleenex tissues were originally used as filters in gas masks.
46
In the early 1960's, Porsche commercially manufactured farm tractors.
24
More than a billion transistors are manufactured every second.
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