The life boat was patented in 1845!
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Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
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Sony researchers have developed a refrigerator that only opens when you smile.
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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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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 oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
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