The science experimenters at TKOR construct a PVC-based cannon capable of launching bananas with significant force.
Not to be outdone with hair spray powered PVC cannons, [William] created an even cooler device: a cannon powered by dry ice. Once dry ice is loaded into the pressure vessel, a burst disk is placed in ...
The world of warfare was revolutionized by the development of black powder, fireworks, cannons, and the like. You don’t need any of that chemical nonsense to just have fun, though, as this compressed ...