Cover Image: December 1999 Scientific American Magazine See Inside

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Free-air optical networks go for a test run

By David Pescovitz















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For regular Web surfers, it's frustrating enough when the network goes down even briefly. A natural disaster--an earthquake-induced

landslide, say--could knock out Internet access for days if the damage to the fiber-optic line is deeply buried. What can be done in the meantime to


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