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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 ...
Mark Rober is an American YouTuber, engineer, inventor, and educator. He is known for his YouTube videos on popular science and do-it-yourself gadgets . Before he became a YouTuber, Rober was an engineer with NASA for nine years, where he spent seven years working on the Curiosity rover at NASA's Jet Propulsion Laboratory .
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.
Mark Rober's latest video features "Backyard Squirrel Maze 2.0," an intense squirrel obstacle course built to deter critters from his bird feeders.
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Vortex cannon may refer to: Vortex cannon, a mythical anti-aircraft weapon; Air vortex cannon, a toy producing doughnut-shaped air vortices; See also.
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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