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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A small airplane can fly backwards.
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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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In the early 1960's, Porsche commercially manufactured farm tractors.
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The life boat was patented in 1845!
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All GPS units sold in the civilian market have to be programmed to deactivate themselves if they detect they are travelling faster than 1200 MPH or are above 60,000 feet in altitude to prevent them being used in intercontinental ballistic missiles.
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Future biotechnology could be used to trick a prisoner's mind into thinking they have served a 1,000 year sentence in only eight hours, a group of scientists have claimed.
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