You're here: My Science Blogging » Discovery » Article: The Smallest Radio Ever “Nanotube Radio”
Yessi Pratiwi — November 9, 2007 / 7:32 pm
A team of researchers with the US Department of Energy’s Lawrence Berkeley National Laboratory and the University of California at Berkeley have created the first fully-functional radio from a single carbon nanotube, which makes it by several orders of magnitude the smallest radio ever made.
They called it nanotube radio. This nanotube works as an all-in-one antenna, tunable band-pass filter, amplifier, and demodulator for both AM and FM in the 40-400 MHz range. It works by detects radio signals in a radically new way: mechanically vibrating at the frequency of the radio wave, making it a true nanoelectromechanical (NEMS) device.
The researchers also said, the nanotube radio may lead to radical new applications, such as radio-controlled devices small enough to exist in a human’s bloodstream.
Picture credit : Courtesy Zettl Research Group, Lawrence Berkeley National Laboratory and University of California at Berkeley
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