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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Windmills always turn anti-clockwise. Except for the windmills in Ireland!
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Energy is being wasted if a toaster is left plugged in after use.
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The first alarm clock could only ring at 4 a.m.
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Whale oil was used in automobile transmissions as late as 1973.
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Kleenex tissues were originally used as filters in gas masks.
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There's a Mumbai-based pizzeria that now delivers pizza by drone.
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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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