Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
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In 1998, Sony accidently sold 700,000 camcorders that had the technology to see through people's clothes.
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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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The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
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There's a Mumbai-based pizzeria that now delivers pizza by drone.
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More than a billion transistors are manufactured every second.
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