December 10 2007: 1:57 PM EST
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The world's smallest radio

Berkeley scientists have created a radio that's 100 billion times smaller than AM/FM tuners of yore. Hear it play.

NEW YORK (Fortune Magazine) -- Nanotubes, sheets of carbon one atom thick rolled up into a cylinder 10,000 times thinner than a human hair, may someday replace silicon chips. What can they do now? Pick up FM and AM signals, as Berkeley scientists demonstrated with a radio 100 billion times smaller than the old RCAs.

Hear a nanoradio play Eric Clapton's "Layla" (courtesy of Zettl Research Group, Lawrence Berkeley National Laboratory, and the University of California at Berkeley). To top of page