Our hearing picks up a limited range of sounds, limits that were used successfully to keep teenagers from congregating outside British grocery stores by a device called the “teenage sound repeller." ...

Philadelphia officials have turned to a controversial device to stop late-night loitering and vandalism by teens: a sonic device called the Mosquito. It's a beige speaker unit that emits a piercing, ...

BUFFALO, N.Y. — Need to reduce high-pitched noises? Science may have an answer. In a new study, theoretical physicists report that materials made from tapered chains of spherical beads could help ...

Imagine listening to your favorite song and swaying your body uncontrollably to the rhythm. There is an expression for this sensation, and it is fitting: You can feel the music in your bones. As it ...

Scientists managed to significantly boost the production of green hydrogen using sound waves in a clean energy breakthrough. The "exciting" study combined high-frequency sound waves with less ...

THE principle that a regularly stratified medium selectively reflects a monochromatic beam of radiation incident on it at the appropriate angle is well known and forms the basis for the X-ray analysis ...

Ultra high-frequency sound transmits energy through flesh and other materials that block light or heat used in conventional 3D printing. Stephen Shankland worked at CNET from 1998 to 2024 and wrote ...

Does anyone know the cause(s) of a high frequency sound that occurs on monitors for certain screens (this seems mostly when white but not always)? It seems to happen on both my new Samsung 900IFT and ...

Replay: Make sure you get your audio settings and recordings right with this important guide from Tim Dunphy. Sound often gets given the backbench within the video world. Whilst the concepts of ...