In the early 1960's, Porsche commercially manufactured farm tractors.
24
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
The Google driverless car has only encountered two accidents. The first it was rear ended at a stop sign, and the second was when a human was behind the wheel.
7
Attics were invented in Attica.
43
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
More than a billion transistors are manufactured every second.
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