A Giant Step toward Infinitesimal Machinery

What are the ultimate limits to miniaturization? How small can machinery--with internal workings that move, turn, and vibrate--be produced? What is the smallest scale on which computers can be built?

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<p><a href="http://www.physorg.com/news113583453.html">A Giant Step toward Infinitesimal Machinery</a></p> <p>What are the ultimate limits to miniaturization? How small can machinery--with internal workings that move, turn, and vibrate--be produced? What is the smallest scale on which computers can be built?</p>