Spider Silk Could Offer Better Hearing Aids

Spider Silk Could Offer Better Hearing Aids
Nov-02-17
Gold-coated spider silk could open the door to more accurate microphones and hearing aids.

Developed by a team at Binghamton University, the new technology was inspired by the way some insects ‘hear’ with their hairs, detecting the velocity of the air rather than the pressure. With this in mind, the team coated the strands of spider silk with gold, then placed it in a magnetic field to obtain an electric signal.

According to the team, the spider-silk microphone system can operate over a wide range of frequencies, detecting low-frequency sounds from 1Hz to 50 kHz, which was not previously possible.

Image credit: Jian Zhou

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