Several police departments across America are planning to try a new device that uses focused sound, turned way up. These so-called non-lethal... Focused Sound 'Laser' for Crowd Control Crowd control ...

Consider, for your listening pleasure, the next frontier in sonic miracles: so-called “audible enclaves,” where only you can hear a sound without disturbing anyone else in open space — no headphones ...

The LRAD (Long Range Acoustic Device) was designed as the ultimate peace-keeping and crowd-control tool: a focused sonic ...

The manipulation of sound through artificial materials has long been a focus in acoustics research, but the recent emergence of topological phenomena—rooted in condensed matter physics—has transformed ...

Scientists at the Advanced Science Research Center at the CUNY Graduate Center (CUNY ASRC) have discovered a way to control sound and vibrations using a concept inspired by "twistronics," a phenomenon ...