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A hail cannon is a shock wave generator claimed to disrupt the formation of hailstones in the atmosphere. These devices frequently engender conflict between farmers and neighbors when used, [ 1 ] because they are loudly and repeatedly fired every 1 to 10 seconds while a storm is approaching and until it has passed through the area, yet there is ...
Knock-down test of a 109 mph (175 km/h; 49 m/s) vortex ring gun. The vortex ring gun is an experimental non-lethal weapon for crowd control that uses high-energy vortex rings of gas to knock down people or spray them with marking ink or other chemicals.
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 ...
Hail cannon in an old castle in Banska Stiavnica, Slovakia. During the Middle Ages, people in Europe used to ring church bells and fire cannons to try to prevent hail, and the subsequent damage to crops. Updated versions of this approach are available as modern hail cannons.
Hail spotter reports in the Carolinas on April 20, 2024. The largest preliminary hail spotter reports wer Huge hailstorm causes extensive damage, could challenge records in the Carolinas
[30] [31] Using 22 tons of equipment the show included a shock wave cannon, a 4-legged walking machine, a high power flame thrower, a radio-controlled tank and a 1,200-pound catapult. [ 30 ] [ 32 ] The show was sponsored by the New York City arts groups The New Museum , Creative Time , and The Kitchen .
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Cannon appointed a special master at Trump’s behest in 2022 to review the seized documents and determine what should be withheld from investigators because of privilege issues.