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 first alarm clock could only ring at 4 a.m.
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Surgeons who grew up playing video games make 37 percent fewer mistakes.
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More than a billion transistors are manufactured every second.
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The first hard drive available for the Apple II had a capacity of only 5 megabytes.
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Jumbo jets use 4,000 gallons of fuel to take off.
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