Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
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The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
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It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
More than a billion transistors are manufactured every second.
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Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
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Jumbo jets use 4,000 gallons of fuel to take off.
19
In 1998, Sony accidently sold 700,000 camcorders that had the technology to see through people's clothes.
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