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 ball on top of a flagpole is called a 'truck'.
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Any modern jet is capable of breaking the sound barrier.
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The cigarette lighter was invented before the match.
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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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Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
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The electric chair was invented by a dentist!
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Whale oil was used in automobile transmissions as late as 1973.
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