QWERTY keyboard layout was designed in 1873 partly to separate commonly used letter pairs and reduce mechanical jamming.
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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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Solar panels are made from silicon wafers and convert sunlight into electricity through the photovoltaic effect.
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The first webcam was invented to check if a coffee pot in a Cambridge lab was full without walking downstairs.
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The wind turbine converts wind into electrical energy.
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The Brooklyn Bridge required innovative caisson construction.
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Satellites can read license plates from orbit under ideal conditions.
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The printing of paper currency simplified trade.
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The elevator made tall buildings more practical.
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