High-Tech and Low Powers New York's Subway Designed more than 100 years ago, New York's subway has been upgraded over the years. But it continues to rely on a complicated blend of old and new technology to move thousands of riders each day. Beth Fertig of member station WNYC reports.
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High-Tech and Low Powers New York's Subway

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High-Tech and Low Powers New York's Subway

High-Tech and Low Powers New York's Subway

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