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2. Sonic weapon - Wikipedia

   en.wikipedia.org/wiki/Sonic_weapon

   Sonic and ultrasonic weapons (USW) are weapons of various types that use sound to injure or incapacitate an opponent. Some sonic weapons make a focused beam of sound or of ultrasound; others produce an area field of sound. As of 2023 military and police forces make some limited use of sonic weapons.

3. Long-range acoustic device - Wikipedia

   en.wikipedia.org/wiki/Long-range_acoustic_device

   A long-range acoustic device (LRAD), acoustic hailing device (AHD) or sound cannon is a specialized loudspeaker that produces sound at high power for communicating at a distance. It has been used as a method of crowd control , which has caused permanent hearing damage , having an extremely high decibel capacity (up to 160 dB measured at one ...

4. Muzzle blast - Wikipedia

   en.wikipedia.org/wiki/Muzzle_blast

   The audible sound of a gun discharging, also known as the muzzle report or gunfire, may have two sources: the muzzle blast itself, which manifests as a loud and brief "pop" or "bang", and any sonic boom produced by a transonic or supersonic projectile, which manifest as a sharp whip-like crack that persists a bit longer.

5. Artillery sound ranging - Wikipedia

   en.wikipedia.org/wiki/Artillery_sound_ranging

   The sound ranging operators used equipment that augmented human hearing. Using the gun flash, the flash crew would determine a bearing to the gun using a theodolite or transit. The sound detection crew would determine the difference in time between the gun flash and the sound of the gun, which was used to determine the range of the gun.

6. Cannon - Wikipedia

   en.wikipedia.org/wiki/Cannon

   A cannon is a large-caliber gun classified as a type of artillery, which usually launches a projectile using explosive chemical propellant. Gunpowder ("black powder") was the primary propellant before the invention of smokeless powder during the late 19th century.

7. History of cannons - Wikipedia

   en.wikipedia.org/wiki/History_of_cannons

   When referring to cannons, the term gun is often used incorrectly. In military usage, a gun is a cannon with a high muzzle velocity and comparatively flat trajectory, [146] as opposed to other types of artillery, such as howitzers or mortars, which have lower muzzle velocities, and usually fire indirectly. [147] [148]

8. NYPD is sued for using sound cannons at Eric Garner protest - AOL

   www.aol.com/article/2016/03/04/nypd-is-sued-for...

   The NYPD has been sued for allegedly injuring demonstrators at a protest over Eric Garner's death by using military-grade sound cannons to disperse them.

9. Howitzer - Wikipedia

   en.wikipedia.org/wiki/Howitzer

   The howitzer (/ ˈ h aʊ. ɪ t s ər /) is an artillery weapon that falls between a cannon (or field gun) and a mortar.It is capable of both low angle fire like a field gun and high angle fire like a mortar, given the distinction between low and high angle fire breaks at 45 degrees or 1600 mils (NATO).