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 ball on top of a flagpole is called a 'truck'.
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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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Jumbo jets use 4,000 gallons of fuel to take off.
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There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
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The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
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A Citreon 2CV with an oil leak once travelled 500 miles through Italy after its gearbox was filled with bananas!
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