HILO Gov. David Ige said Wednesday concerns expressed in a Tuesday letter by the American Civil Liberties Union of Hawaii that a long-range acoustic device will be used as a sound cannon against ...

Police in Portland, Oregon deployed a controversial sound cannon to disperse protestors early Friday morning, the Willamette Week reported. Called a long-range acoustic device or LRAD, it can generate ...

SIOUX FALLS, S.D. (KELO) – If you’re out at Falls Park or the airport this winter, you might hear the sound of a cannon during the day. It’s not an explosion or a firearm; it’s a sound cannon to scare ...

Crews at Nashville Electric Service will be using a sound cannon to scare away birds that have started roosting near a substation. NES says they are trying to avoid future power outages by disrupting ...