Video: Let's say you're bored. Let's say you've always dreamed of firing a cannon. Let's say you like blowing things up. Let's say you spend a free night building this kickass vortex cannon that can blast the air silly. Let's say it'd be totally worth it just to see these giant smoke ring explosions in real life.
How To Make Your Own Powerful Vortex Cannon That Boom Blasts The Air
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