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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A toaster uses almost half as much energy as a full-sized oven.
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The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
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The ball on top of a flagpole is called a 'truck'.
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More than a billion transistors are manufactured every second.
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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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The Queen Mary - the grandest vessel of her day - had many of her vital components made by car manufacturer Skoda!
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