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In the wake of the Moscow bombings, some global security experts say this kind of violence cannot be permanently stopped. But governments can do more to prevent mass casualties. Our correspondent takes a look at the additional measures governments ca
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By Brent Hurd Many governments are promoting above and underground transit systems to fight increasing congestion. Urban trains are appearing even in the wide expanses of the western United States, in
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Technology Report - Privacy Concerns Over Facial Recognition Systems This is the VOA Special English Technology Report. Today we take another look at facial recognition systems. These can tag friends in Facebook photos or help police identify suspect
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Part 4. Asia's cities face gridlock. Keywords. Asia's cities, gridlock, mass transit systems, car sales, problems. Vocabulary. gridlock, lure, aggravate, snarl, implement. A. You're going to hear a report on experts discussing the traffic problems As
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That might lead to a different kind of dystopia (also with historical antecedents): one in which fast, functional transport is available only to those who can pay. 这可能会去往一个不同的非理想之地（也有历史先例）：在那里，快
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This is the VOA Special English Technology Report. A new study looks at privacy in a world where computers can increasingly recognize faces in a crowd or online. Alessandro Acquisti at Carnegie Mellon University's Heinz College in Pittsburgh, Pennsyl
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