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." ...

FAIRFIELD -- A high-pitched problem for Fairfield neighbors has young people annoyed and parents confused. It's the result of an audio repellent known as The Mosquito, a device that utilizes ...

Researchers have revealed how high-frequency sound waves can be used to build new materials, make smart nanoparticles and even deliver drugs to the lungs for painless, needle-free vaccinations. While ...