Carbon Nanotube Sheets

By: Michael Plishka - Published: Nov 17, 2008 • References: newscientist
Imagine the sheets on your bed playing soft music as you lie down for bed, or your jacket humming to you as you walk down the street, or a clear sheet stretched over a window in your office playing music as the sun streams through…

That reality is coming sooner that you think as researchers led by Shoushan Fan at Tsinghua University in Beijing, China, have created a speaker out of thin sheets of carbon nanotubes meaning that thin, fabric like speakers may not be that far in the future.

One of the main advantages of this technology is its robustness.

"Conventional loudspeakers which [produce sound] due to the vibration of the cone will fail to emit sound if the cone is broken. The carbon nanotube loudspeaker does not vibrate, which means it will still emit sound if part of the film is broken," according to NewScientist.

While nanotubes have been the focus of research for everything from drug delivery to space elevators, this is the first time researchers have delved deeper into their acoustic properties.

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