Ultrasonic sounds are high-frequency sound waves that exceed 20,000 hertz, a range far beyond what the human ear can detect.

Learn about localized audio spots, dubbed "audible enclaves," which can be placed with pinpoint accuracy while remaining ...

FOOTAGE has emerged showing what appears to be a military-grade sonic cannon being used to disperse peaceful protestors in Serbia. Riot police allegedly deployed the mysterious weapon to attack ...

Serbian officials have denied allegations security forces deployed a military-grade Long Range Acoustic Device.

A new invention has proven that audio can successfully be transmitted directly to a listener's ears without being audible to others around.

Police and Government deny they used sound cannon— a.k.a. sonic weapons— against Belgrade protesters. Serbia has seen a growing protest movement since a train station canopy in the town of Novi Sad ...

But while the successful test flight of XB-1 shows that supersonic flight without sonic booms is technically feasible, the ...

Acoustic or sonic weapons are devices that deliver very loud sounds over long distances. They can be designed to emit painful ...

Calls were mounting in Serbia on Monday for an independent investigation into reports that security forces used a prohibited ...

Protesters in Serbia who staged one of the country’s biggest-ever rallies claim the authorities used a prohibited, ...