Physics demonstrations: vortex cannon! | Skulls in the Stars
High Power Vortex Cannon : 10 Steps (with Pictures) - Instructables
Charged Vortex Ring Gun Clears Smoke and Crowds | The Mary Sue
Vortex ring gun - Wikipedia
Vortex Ring Gun - Defense Update:
High Power Vortex Cannon : 10 Steps (with Pictures) - Instructables
High Power Vortex Cannon : 10 Steps (with Pictures) - Instructables
Flame Vortex Cannon: Ixion
High Power Vortex Cannon : 10 Steps (with Pictures) - Instructables
Design a Better Vortex Cannon - Science Friday
Vortex ring gun - Wikipedia
Build a Simple Vortex Cannon, Then Upgrade with a Subwoofer | Make:
The Acoustically Driven Vortex Cannon: The Physics Teacher: Vol 52, No 3
Subwoofer Vortex Cannon: 300V Of “Thwup!” | Hackaday
Vortex gun firing rings of electrically-charged gas at 90mph 'could be used to clear smoke-filled hallways for firemen' | Daily Mail Online
Design a Better Vortex Cannon - Science Friday
Automated Air Cannon Shoots Smoke Rings | Hackaday
Physics demonstrations: vortex cannon! | Skulls in the Stars
Air vortex cannon - Wikipedia
A Giant Collapsible Vortex Air Cannon You Can Take Anywhere | Make:
Blown away
High Power Vortex Cannon : 10 Steps (with Pictures) - Instructables
Air vortex cannon - Wikipedia
Acetylene Powered Vortex Ring Gun - YouTube
File:Vortex Ring Gun Launch Velocity.jpg - Wikimedia Commons
