For this strategy to be viable for a moth in a bat’s crosshairs, the resonant frequency of its scales would need to overlap with the frequency of bat sonar, typically between 20 to 150 kilohertz.

Moth wing scales, which are used for camouflage against bats, act as ultrasound-absorbing metamaterials, according to a study. Bats track prey using ultrasound-mediated echolocation, and moth ...

Moth wing-inspired sound absorbing wallpaper in sight after breakthrough Date: June 15, 2022 Source: University of Bristol Summary: Experts at the University of Bristol have discovered that the ...

Thomas Neil: So moth and butterfly wings are covered in layers of scales. These are made of a naturally occurring polymer called chitin, which is a polymer you find in most insect and crustacean ...

A 3D representation of a moth wing's acoustic camouflage pattern Earless moths have sound-absorbent wings that act as acoustic camouflage from preying bats. The moth wings have an ultrathin layer ...

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Now they have learned the moths hide from their hunters’ echolocation thanks to nanostructured scales on their wings. The discovery could guide the creation of ultrathin sound-absorbing materials.

Experts at the University of Bristol have discovered that the scales on moth wings act as excellent sound absorbers even when placed on an artificial surface. The researchers, which recently ...