In extreme cases, sonic weapons can cause nausea, dizziness, and even permanent damage. In this case, officials used it to ...

Just as activists have raised their voices demanding justice for George Floyd and the many killed by police violence, the police have met them with their own sound: the LRAD. These audio devices, ...

Sound weapons deployed at protests have people searching for protection, but understanding LRAD technology reveals the mechanics behind these controversial crowd control tools and practical protection ...

On the night of December 4th, 2014, demonstrators filled the streets in protest of the grand jury's failure to indict Daniel Pantaleo for killing Eric Garner. Anika Edrei, Shay Horse, James Craven, ...

Its effects have been likened to standing in front of a jet engine -- a blast of amplified sound capable of inducing headaches, panic, and potential hearing loss. This is the LRAD, or Long Range ...

A judge has ruled that a lawsuit against the NYPD for officers' use of a Long Range Acoustic Device sound cannon at a Black Lives Matter protest can proceed, because "sound can be used as a force." ...

Last week, during protests against operations by the US Immigration and Customs Enforcement (ICE) in Minnesota, vehicles with rectangular structures were spotted – some were military Humvees, others ...

Audio producer Cory Choy was reporting on the 2014 Black Lives Matter protests in New York City when he first experienced sound as a weapon. “Horrible, nauseating pain hit my body,” he tells Popular ...