The world's largest jigsaw puzzle contained 551,232 pieces.
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The satellite enabled global broadcasting and navigation.
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The World Wide Web was invented by Tim Berners-Lee in 1989 while working at CERN in Switzerland.
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YouTube was originally designed as a video dating site.
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Morse code was originally developed for electric telegraphs, not radio.
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The microwave oven was invented accidentally when Percy Spencer noticed a radar magnetron melted a chocolate bar in his pocket.
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Steel was a rare luxury material in the ancient world — mass production became possible only in the 19th century.
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The first computer mouse was made of wood.
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The washing machine automated clothing cleaning.
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