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 life boat was patented in 1845!
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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 United States produces enough plastic film annually to cover the entire state of Texas.
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The first alarm clock could only ring at 4 a.m.
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Castor oil is used as a lubricant in jet planes.
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First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
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