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How to make a homemade vortex cannon

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Hello, homemade vortex cannon! Secure a tightly closed box, then add a narrow round hole at the end. Hit the sides of the box to compress the air inside, sending the air out with some force. Instant vortex ring. The Urn Science Show team at the University of Nottingham added smoke with a fog machine so that the vortex ring is visible as it travels across the room.

vortex cannon
vortex cannon target
Watch more vortex videos, including:
• A diver makes underwater vortex rings that can knock over rocks
• Make an underwater vortex ring generator
Cannon cloud collisions for Art and Inactivism
• How to make smoke rings with a simple DIY vortex cannon

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