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 ...

(Credit: The Action Lab) Using a fairly beefy speaker to blast a 70 Hz tone at a big alcohol ... Using an air vortex cannon to focus the sound waves from the bass reflex port, it ‘wiggles ...

Fourteen police officers were injured by an extremely loud siren at an anti-AfD demonstration in Berlin's Wittenau district, with five requiring hospital treatment. The incident occurred on Sunday ...

Acoem ATD technology detects both the muzzle blast and the ballistic sound wave of a bullet in motion, allowing detection and ...

The protests were ignited following the deaths of 15 people, who were killed when a concrete canopy collapsed at a train ...