In the early 1960's, Porsche commercially manufactured farm tractors.
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The average car produces a pound of pollution every 25 miles!
18
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
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The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
The ball on top of a flagpole is called a 'truck'.
24
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.
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