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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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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The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
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The average car produces a pound of pollution every 25 miles!
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