Making the world's smallest gadgets even smaller

You may not have noticed, but the smallest revolution in world history is under way. Laboratories and factories have begun to make medical sensors and computer-chip components smaller than a single blood cell or the periods on this page.

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<p><a href="http://www.physorg.com/news9130.html">Making the world's smallest gadgets even smaller</a></p> <p>You may not have noticed, but the smallest revolution in world history is under way. Laboratories and factories have begun to make medical sensors and computer-chip components smaller than a single blood cell or the periods on this page. </p>