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A large air vortex cannon, with a 9 feet (2.7 m) wide barrel and a displacement volume of 2,873 US gallons (10.88 m 3) was built in March 2008 at the University of Minnesota, and could blow out candles at 180 feet (55 m). [6] [7] In 2012, a large air vortex cannon was built for Czech Television program Zázraky přírody (lit. ' Wonders of ...
Vortex gun may refer to: Vortex ring gun , an experimental non-lethal weapon that uses high-energy vortex rings of gas Air vortex cannon , a toy that releases doughnut-shaped air vortices
Vortex cannon may refer to: Vortex cannon, a mythical anti-aircraft weapon; Air vortex cannon, a toy producing doughnut-shaped air vortices; See also
Air cannon may refer to: Air blaster, a de-clogging device with a pressure vessel and triggering mechanism; Air cannon (mechanics), a device used for marine reflection and refraction surveys; Air vortex cannon, a toy gun that fires air vortex rings; Vortex ring gun, a non-lethal weapon that fires gas vortex rings; Air Cannon (Mario), a plot ...
An air gun is a gun that fires projectiles by means of compressed air or other gases. Air gun may also refer to: Air gun (seismic), an energy source used in reflection seismology; Air vortex cannon, a toy gun that fires air vortex rings; Airsoft gun, a replica gun used in airsoft sports; BB gun, an air gun designed to shoot metallic spherical ...
A Big Bang Cannon and its box. The Big-Bang Cannon, also known as the Calcium Cannon, is an American toy cannon first manufactured in the early 20th-century. Numerous consumer fireworks injuries [1] convinced a physics professor at Lehigh University in Bethlehem, Pennsylvania to patent a "Gas Gun" in 1907, and the manufacturing of Big-Bang Cannons started in 1912, from the Gas Cannon Company.
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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. The concept was explored by the US Army starting in 1998, and by some commercial firms.