[NightHawkInLight] a.k.a. [Ben] recently built an awesome high power air cannon out of PVC pipe. PVC air cannons are great, and everyone should build one of these at some point in their life, but what ...

[NightHawkInLight] a.k.a. [Ben] recently built an awesome high power air cannon out of PVC pipe. PVC air cannons are great, and everyone should build one of these at some point in their life, but what ...

If the cost of all that hairspray and sacks of potatoes is cramping your spud gun shooting style it might be time to build this air-powered cannon that can shoot water balloons, potatoes, steel spikes ...

This DIY Christmas Cannon provides a solution to a problem I didn’t know existed: how to combine explosive firearms with the warmth, generosity, and joy of Christmas. Video after the jump. This ...

What Christmas would be complete without the DIY Christmas Cannon that shoots festive decorations and/or cheer onto presents, trees, and unsuspecting guests? [blip.tv ...

If you're looking to send a projectile flying as fast and as far as possible without any explosives, your best bet is to use a vacuum cannon. The mechanics are simple: Get a long cannon, place the ...

You could make crazy DIY Halloween decorations to scare the creeps out of trick or treaters in your neighborhood. You could dress up drones as flying ghosts or ghoulish goblins to strike fear into ...