This sounds awesome; I wish there was more information available. I can't quite visualize how the vortex would work. It needs to reach all the way to the bottom of the chamber so the plasma can be injected through it, but it also needs to be small in diameter at the center of the chamber so the pressure wave can collapse it completely. Can those requirements be met simultaneously? How fast would you need to spin the metal? Is it really possible to make a stable vortex such that no liquid metal ever falls into the lower plasma injector (which would presumably destroy it), even as you send shockwaves through the chamber once every second?