Scientists have created a one-way sound machine. The device, called an acoustic circulator, breaks the fundamental principle that sound, and other types of waves, are a two-way street. The findings, ...

Directional flow: an illustration of the resonant cavity with the three ports attached. The image shows the distribution of the acoustic pressure field inside the unbiased ring. Sound flows only in ...

Ben Burtt created all the iconic Star Wars sounds: Darth Vader’s breathing, the lightsaber whoosh, R2-D2’s beeps. How does your work connect to his? Wood: Skywalker Sound, the sound division of ...

A team of researchers at the University of Texas At Austin's Cockrell School of Engineering has effectively disproved the adage that, “if you can hear you can be heard” by creating the world's first ...

When it comes to the sound-proofing of buildings, most people likely think of using materials that simply absorb the sound waves in a noisy room, so they can't proceed into a neighboring quiet room.

Turntables just spin records; how can they possibly have a sound? They do. No wonder high-end turntables sound vastly better than budget models. Ex-movie theater projectionist Steve Guttenberg has ...