Researchers have developed a system that uses atomic vacancies in silicon carbide to measure the stability and quality of acoustic resonators. What's more, these vacancies could also be used for ...

LRAD sound weapons at protests use focused acoustic beams up to 162 decibels that cause permanent hearing damage, but distance and industrial earplugs provide effective protection.

During protests in the USA, security authorities use LRAD systems for announcements and crowd control. How do these "sound cannons" work?

A team at POSTECH has unveiled a world-first in display technology: Pixel-Based Local Sound OLEDs that allow every pixel on a screen to emit distinct sounds. By embedding ultra-thin piezoelectric ...