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

LRAD sound weapons at protests use focused acoustic beams up to 162 decibels that cause permanent hearing damage, but distance and industrial earplugs provide effective protection.

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

The anti-ICE protests across Minnesota escalated following the killing of two individuals - Renee Nicole Good, 37, and Alex ...

The City has agreed to pay $748,000 to settle a lawsuit brought by Black Lives Matter protesters who said the NYPD illegally targeted demonstrators with Long Range Acoustic Devices [LRAD] in 2014.

During protests in the USA, security authorities use LRAD systems for announcements and crowd control. How do these "sound cannons" work?

American Technology Corporation (ATC) (NASDAQ:ATCO), announced that its LRAD 1000X directed sound system was used by the Japanese Maritime Self-Defense Force to help prevent a pirate attack on a ...

Add Yahoo as a preferred source to see more of our stories on Google. The LRAD is capable of inflicting bodily harm including nausea, dizziness and even organ damage and permanent hearing loss in ...