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Home > News > And you thought the iPod nano was small - here comes nanotechnology radio

October 28th, 2007

And you thought the iPod nano was small - here comes nanotechnology radio

Abstract:
We have written plenty of Spotlights so far on carbon nanotubes and nanoelectronics. For instance, carbon nanotube (CNT) transistors have the potential to outperform state-of-the-art silicon devices. Researchers around the world have been working for years on advances at the device level, things like switches and wires and optimizing individual CNT transistors. More recently, scientists have begun to integrate nanotechnology-based materials and devices into larger systems - a crucial step in getting nanotechnology from the lab to the fab. Last year, for instance IBM reported to have built the first complete electronic integrated circuit around a single carbon nanotube (An integrated logic circuit assembled on a single carbon nanotube). Researchers in California have now reported another step towards showing nanoelectronics in systems: They have developed the world's first working radio system that receives radio waves wirelessly and converts them to sound signals through a nano-sized detector made of CNTs. Although this is only the demonstration of a single critical component (the CNT as demodulator) of an entire radio system, it is entirely possible that at some point in the future all components of a working radio could be nanoscale, thus allowing a truly nanoscale wireless communications system (apart from the magnitude of the technological achievement, this is probably great news for surveillance freaks, not so much for privacy advocates).

Source:
nanowerk.com

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