All Signals Go

The engineer-turned-CEO discusses the Texas Instruments comeback and what’s next for wireless.

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MIT to Show All

University will give world free access to its courseware on the Web.

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Peering into Your PC

As peer-to-peer software moves into direct remote control, should you think twice about opening up your computer?

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Extreme Robotics

iRobot builds machines that go into danger-and, eventually, your home.

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Virtual Farm Aid

Using mathematical models and a 3-D Web browser, international food organizations collaborate on raising virtual crops.

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Wireless Triple Play

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MP3 Software

How MP3 software works.

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NEMS: Machines Get Tiny

Nanoelectromechanical systems begin to flex their muscles.

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Software Switch

Erna Hoover unjammed the telephone switchboard-from her bed in the maternity ward.

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Your Genetic Destiny for Sale

To find disease-causing genes, researchers want access to millions of personal medical records-maybe even yours. Is this necessary science or dubious profiteering?

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