[Richard] took another shot at his battery powered tesla coils. He sent in his latest hand held plasma gun. He modified his battery powered tesla coil to work as a handheld. He added a large ...

Encasing all that tech is a sleek 3D-printed shell that fans of the Halo franchise would say resembles the iconic Plasma Pistol. While it doesn't shoot balls of plasma, it does unleash visible ...

the Lorentz force hold the plasma together. The rest is non-trivial high-voltage engineering. The original gun used a Marx bank that weighed 4,000 pounds and towered 8 feet above the ground.