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Single Nanotube Becomes World's Smallest Radio
Invisible Pink Unicorn writes "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.'"
...on people losing these things. "Damnit, where's my radio? Did I lose it again!? Oh wait here it is... no... that's pocket lint."