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.
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"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.
![Be Your Own Doctor]( "Be Your Own Doctor")
University of Florida and IBM researchers have come out with a device that could well ease the burden off doctors, or at least, some of it.
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
Be Your Own Doctor
University of Florida and IBM researchers have come out with a device that could well ease the burden off doctors, or at least, some of it.
Advertisement
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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A new report has determined that transformation in the way people and businesses use technology could reduce annual man-made global emissions by 15 per cent by 2020.
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