Soon, Your 'Smart' Clothes Will Come With Ears and Mouths

by Tanya Thomas on  July 15, 2010 at 10:22 AM Research News   - G J E 4
MIT researchers have developed fibres that can not just detect sound, but produce it too.

Shunji Egusa, a former postdoc in Fink's lab, and current lab members Noémie Chocat and Zheng Wang developed the fibre in the lab with a plastic commonly used in microphones.
 Soon, Your 'Smart' Clothes Will Come With Ears and Mouths
Soon, Your 'Smart' Clothes Will Come With Ears and Mouths

"If you connected them to a power supply and applied a sinusoidal current" - an alternating current whose period is very regular - "then it would vibrate.

And if you make it vibrate at audible frequencies and put it close to your ear, you could actually hear different notes or sounds coming out of it," says Chocat.

In addition to wearable microphones and biological sensors, applications of the fibres could include loose nets that monitor the flow of water in the ocean and large-area sonar imaging systems with much higher resolutions: A fabric woven from acoustic fibres would provide the equivalent of millions of tiny acoustic sensors.

Other applications could include clothes that are themselves sensitive microphones, for capturing speech or monitoring bodily functions, and tiny filaments that could measure blood flow in capillaries or pressure in the brain.

The article appeared on Nature Materials' website on July 11.

Source: ANI

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