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Communications Archive

  • Swimming Sentinels

    Fish enlisted in protecting water supplies from toxins

  • One Person, One Phone

    As Wi-Fi networks link with cellular networks, telephonic unity nears.

  • Dial N for Net Phone

    An online phone service shows that Internet telephony’s time may finally have come.

  • Demo: Hollywood's Master of Light

    USC’s Paul Debevec shows how to use light from the real world-and algorithms from the digital one-to render an actor’s face as it would appear under any conditions.

  • Relieving Peer-to-peer Pressure

    Traffic from peer-to-peer programs like Kazaa and Skype floods the Net. Now we see products that are aimed at channeling the traffic better. Guess who’s behind them.

  • Digital Sketch Pad

    Software recognizes and interpret shapes sketched on a tablet computer, enabling designers to bypass paper.

  • Great Balls of Fire

    New software simulates the complex physics of combustion to produce convincing animations of flame and smoke.

  • False Hope for Stopping Spam

    Sure, there’s a new federal law, and e-mail filtering tools are getting better. But a growing alliance between spammers, hackers, and organized crime bodes poorly for the future of e-mail.

  • Walk the Talk

    Al Gross’s 1938 invention of the walkie-talkie launched mobile communications.

  • Letters

    Insights and opinions from our readers

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