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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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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To have your picture taken by the very first camera you would have had to sit still for 8 hours!
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The first alarm clock could only ring at 4 a.m.
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Kleenex tissues were originally used as filters in gas masks.
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Surgeons who grew up playing video games make 37 percent fewer mistakes.
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Sony researchers have developed a refrigerator that only opens when you smile.
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