A metamaterial elongates the propagation path of sound waves, allowing low-frequency noise control without the need for bulky materials.

People living near the Donkin coal mine say they're not convinced a new study ordered by Nova Scotia's Environment Department ...

The ocean is never truly quiet. But sometimes it gets loud in a way that feels… misplaced. In one famous bay off California, ...

Researchers describe an acoustic meta-surface that uses pingpong balls, with small holes punctured in each, as Helmholtz resonators to create inexpensive but effective low-frequency sound insulation.

Horses use their larynx to make two sounds simultaneously, so they are effectively singing and whistling at the same time ...

As cities are densified at a fast pace, there is now construction very close to roads and thoroughfares. It is already known that noise can have a negative impact on human health, but new research ...