Articles on Acoustics

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What sounds did the people of Chaco Canyon hear during daily life? David E. Witt

Soundscapes in the past: Adding a new dimension to our archaeological picture of ancient cultures

We tend to think of archaeological sites as dead silent – empty ruins left by past cultures. But this isn't how the people who lived in and used these sites would have experienced them.
A red fox listening for prey under the snow in Yellowstone National Park. Noise can affect foxes and other animals that rely on their hearing when they hunt. Neal Herbert/NPS

Human noise pollution is disrupting parks and wild places

A recent study finds that noise from human activities is intruding into many parks and other protected areas. Creating quiet zones and noise corridors can help reduce impacts from noise pollution.
The Cape peninsula moss frog is smaller than 20mm and is, therefore, hard to monitor. Francois Becker

How we learned to listen to elusive, threatened frogs

A robust technique using the wonders of digital media has helped researchers understand how threatened species like frogs are faring on our globally changing planet.
Illustration of the acoustic force fields created by the 64 speakers beneath the red object – strong enough to hold or move it. Asier Marzo, Bruce Drinkwater and Sriram Subramanian

How we invented a Star Trek-style sonic tractor beam

A millimetre-sized object has been levitated and moved around in mid-air using nothing but sound waves.

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