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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Originally, Nintendo was a playing card manufacturer.
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The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
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The IRS processes more than 2 billion pieces of paper each year.
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An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
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The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
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In 1998, Sony accidently sold 700,000 camcorders that had the technology to see through people's clothes.
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