Technology update
Jan 28, 2008
Nano-radios move on
The first transistor radio made entirely of carbon nanotube active devices has been developed by researchers in the US. John Rogers of the University of Illinois and colleagues say their method, which uses aligned arrays of nanotubes in the form of "sheets" for the semiconductor, represents an advance over other techniques to implement nanotubes in electronics, including recent nano-radio demonstrations. This is because it is reproducible and scalable, thus allowing the routine fabrication of large numbers of radios and circuits – all using standard electronic processing techniques. The researchers have already used their nanoradio to listen to the traffic report from a local radio station.
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