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

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, ...

Minnesota State Patrol troopers used a powerful sound system first used by the military in Maple Grove, Minnesota, to ...

LRAD Corp., which makes long-range hailing devices for the military, said Thursday that it plans to spin off a portion of its business into a new publicly traded company. The San Diego company will ...

Occupy Wall Street supporters have blasted the New York Police Department’s use of Long Range Acoustic Devices to respond to the civil disobedience actions that sprang up throughout Manhattan on ...

RANCHO BERNARDO —- Deterring pirates with blasts ofear-splitting sound got American Technology Corp. a lot of welcomeattention. But when the company’s acoustic warning speakers aredeployed by law ...

Long Range Acoustical Devices have been used by big-city departments including New York, Pittsburgh and Los Angeles to bark out orders to protesters and break up demonstrations. Sound has long been ...

I guess military tech always finds its way home. Pittsburgh city officials believe their police department’s use of a Long Range Acoustic Device (LRAD) at last week’s G20 protests was “the first time ...

Demonstrators are reporting the NYPD’s use of Long Range Acoustic Devices (LRADs) against protesters during today’s Occupy Wall Street “Day of Action.” The machines are meant to send out “high ...

I guess military tech always finds its way home. Pittsburgh city officials believe their police department’s use of a Long Range Acoustic Device (LRAD) at last week’s G20 protests was “the first time ...