Chip-Shrinking May Be Nearing Its Limits

(AP) -- Sixty years after transistors were invented and nearly five decades since they were first integrated into silicon chips, the tiny on-off switches dubbed the "nerve cells" of the information age are starting to show their age.

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<p><a href="http://www.physorg.com/news116948424.html">Chip-Shrinking May Be Nearing Its Limits</a></p> <p>(AP) -- Sixty years after transistors were invented and nearly five decades since they were first integrated into silicon chips, the tiny on-off switches dubbed the "nerve cells" of the information age are starting to show their age.</p>