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I knew that two wires, running side by side, would attract each other if the current ran in the same direction in both. And now there are lots of videos 1 2 3

But it never occurred to me that the same applies when the "wire" is just ionized air, and that this leads to plasma from electrical discharges running in channels.

That said, the Plasma Cannon is a bit like a wrong way round TOW ATGM. Each Plasma Cannon shot starts with a fine wire to guide the lightening strike to the target. The wire gets vaporized (good for one Amp, but carrying thirty thousand Amps) and I'm guessing that it is the metal from the wire burning that gives the shower of sparks along the line of the plasma channel.

Funny how i too was recommended this last night.

Make Unreal Tournament real!