The Shanghai Maglev train reaches extremely high speeds.
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You exist during the only time in history with modern technology.
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The steam locomotive expanded rail travel.
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In 1999, several countries experienced a computer scare known as the Y2K problem.
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The satellite enabled global broadcasting and navigation.
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The U.S. military tested radar systems in classified research programs.
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Photography was originally called 'sun painting' — the word comes from Greek for 'light writing.'
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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 Brooklyn Bridge required innovative caisson construction.
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