World's Smallest Radio Is Just Atoms Wide, Still Needs AAA Battery

University of California researcher Chris Rutherglen shows off a radio made of carbon nanotubes, measuring "a few atoms across," that's 1,000 times smaller than today's radio technology. »10/18/07 4:24pm10/18/07 4:24pm

The sky's the limit for this stuff: they're already talking smart-dust computing, with meteorological, geophysical, biological and…