Articles on Acoustics

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A tobacco hornworm caterpillar is exposed to vibrations in an anechoic chamber. Binghamton University, State University of New York

Caterpillar twitches in an ultraquiet chamber are helping biologists understand how these insects hear without ears

Scientists give caterpillars haircuts and put them in a room isolated from sound to figure out how they’re able to hear without ears.
Crowds gather at dusk in Austin, Texas, to watch some 1.5 million Mexican free-tailed bats emerge to feed from their roost under the Congress Avenue Bridge. Jeff Haynes/AFP via Getty Images

Artificial intelligence can help highway departments find bats roosting under bridges

Bats roost under bridges and culverts across North America, so highway departments have to check for them before repairing bridges. A new AI tool makes those inspections faster and more accurate.
Imagine this with a sound track – sunset near Turtle Rock, Joshua Tree National Park. NPS / Hannah Schwalbe

Listening to nature: How sound can help us understand environmental change

From bird songs to wind patterns, sound is a key but often underappreciated element of natural places. Learning how to listen to nature can alert us to changes in the environment before we see them.

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