Watch Two Guys Stick A GoPro Into A Homemade Pneumatic Cannon And Shoot It Really High

 There are few things as exciting as shooting things into the air using a 3D-printed cannon. That’s why this video is so important – and so educational. The two lads who made it, David and Ryan, have created a sort of cannonball for their GoPro and then have been shooting it up, up, up until it tumbles, whistling back to the ground. But this is pretty dumb, you say. It’s just… Read More