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You Thought Your Nano Was Small: Nano-sized Detector Turns Radio Waves Into Music

Date:
October 19, 2007
Source:
American Chemical Society
Summary:
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 carbon nanotubes has been developed. The 'carbon nanotube radio' device is thousands of times smaller than the diameter of a human hair. The development marks an important step in the evolution of nano-electronics and could lead to the production of the world's smallest radio, the scientists say.

Researchers in California report development of 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 carbon nanotubes.

The "carbon nanotube radio" device is thousands of times smaller than the diameter of a human hair. The development marks an important step in the evolution of nano-electronics and could lead to the production of the world's smallest radio, the scientists say.

Peter Burke and Chris Rutherglen developed a carbon nanotube "demodulator" that is capable of translating AM radio waves into sound. In a laboratory demonstration, the researchers incorporated the detector into a complete radio system and used it to successfully transmit classical music wirelessly from an iPod to a speaker several feet away from the music player.

Although other researchers have developed nano-sized radio wave detectors in the past, the current study marks the first time that a nano-sized detector has been demonstrated in an actual working radio system, the scientists say. The study demonstrates the feasibility of making other radio components at the nanoscale in the future and may eventually lead to a "truly integrated nanoscale wireless communications system," they say. Such a device could have numerous industrial, commercial, medical and other applications.

Their findings appeared online October 17 and are scheduled for publication in the Nov. 14 print edition of ACS' Nano Letters.


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The above story is based on materials provided by American Chemical Society. Note: Materials may be edited for content and length.


Cite This Page:

American Chemical Society. "You Thought Your Nano Was Small: Nano-sized Detector Turns Radio Waves Into Music." ScienceDaily. ScienceDaily, 19 October 2007. <www.sciencedaily.com/releases/2007/10/071017131851.htm>.
American Chemical Society. (2007, October 19). You Thought Your Nano Was Small: Nano-sized Detector Turns Radio Waves Into Music. ScienceDaily. Retrieved July 24, 2014 from www.sciencedaily.com/releases/2007/10/071017131851.htm
American Chemical Society. "You Thought Your Nano Was Small: Nano-sized Detector Turns Radio Waves Into Music." ScienceDaily. www.sciencedaily.com/releases/2007/10/071017131851.htm (accessed July 24, 2014).

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