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 ...

Sonic weapons known as Long Range Acoustic Devices (LRAD), are used by law enforcement officials as a non-traditional method of crowd control and dispersal in multiple countries across the world. The ...

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, ...

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 ...

At vaccine mandate protests in Canberra last week, police used powerful loud-hailing devices called Long-Range Acoustic Devices (LRADs) to address protesters. While some protesters claimed they were ...

LRAD sells sound cannons to yacht owners as a means of keeping pirates from boarding. In 2005, an LRAD sound cannon staved off an attack by pirates on a five-star German-built cruise ship, called ...

Batons, tear gas, and rubber bullets may be less than lethal, but as protesters have said, and as media outlets have reported, they can still do plenty of damage. The same has been argued about a ...

A student who went to photograph a Black Lives Matter protest was warned that New York City police might use a sound cannon against demonstrators. Limited time: Save 25% on NBC News subscription Get ...