In The News

Sound Postcard

 

(c) kibuyu, some rights reserved (CC BY-NC-SA) https://www.inaturalist.org/guide_taxa/878099

How moths evolved a kind of stealth jet technology to sneak past bats

Listen here: https://tinyurl.com/mryxemx2

The cabbage tree emperor moth, a species of silk moth, has furry scales on its wings that absorb the frequencies contained in the echolocation pings of the bats which eat them. Scientists using laser Doppler vibrometry found that the average vibration spectra of the moth’s microperforated wing scales includes three resonators, together spanning the sonar frequencies of their predators, 20 to 150 kHz. Modeling these extremely thin structures informs future development of lightweight resonant sound absorbers for acoustic camouflage in stealth operations and for industrial construction design.

https://youtu.be/l2EyLfy-eZc 

Biomechanics of a moth scale at ultrasonic frequencies

https://www.pnas.org/doi/10.1073/pnas.1810025115 

Moth wing-inspired sound absorbing wallpaper in sight after breakthrough

http://www.bristol.ac.uk/news/2022/june/moth-wing-inspired-sound-absorbing-wallpaper.html

Moth jamming bat -- National Geographic Untamed Americas

https://youtu.be/GZxK_0OSoFk

Six Emerging Solutions for Industrial Noise Control

https://www.manufacturingtomorrow.com/story/2022/01/6-emerging-solutions-for-industrial-noise-control/18098/

 

More Exciting Changes at NHCA - Exclusively for NHCA Members!

NHCA has made some significant changes to our flagship publication, the Spectrum Newsletter. Exclusively for our members, Spectrum is a highly respected publication in our field, keeping our members in touch and informed. Changes include:

  • A new modernized look, with a range of colors and updated fonts and layout
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  • And more great content!

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Recent Hearing Research

 

 

Recent Hearing Research

 

 
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