The ball on top of a flagpole is called a 'truck'.
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Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
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Car airbags kill 1 person for every 22 lives that they save.
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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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Sony researchers have developed a refrigerator that only opens when you smile.
9
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
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