Single Nanotube Becomes World's Smallest Radio

"Researchers at the National Science Foundation have utilized a single carbon nanotube to perform all the functions of a standard radio, acting as an antenna, tunable filter, amplifier, and demodulator. They were then able to tune in a radio signal generated in the room and play it back through an attached speaker. The device is functional across a bandwidth widely used for commercial radio. From the NSF: 'The source content for the first laboratory test of the radio was "Layla," by Derek and the Dominos, followed soon after by "Good Vibrations" by the Beach Boys.'"

http://science.slashdot.org/article.pl?sid=07/11/01/1614200
http://nsf.gov/news/news_summ.jsp?cntn_id=110566