http://www.telegraph.co.uk/men/the-filt ... aber-batt/
The reality of course is that the heat source of the plasma would necessarily be electricity, not magnetic fields, and the two current channels would not be likely to electrically interact with one another since they have two different power sources. Granted, the direction of the current streams would dictate whether the magnetic field alignments attracted or repelled each other as the sabers clashed together, and hot plasma would probably fly everywhere, but it's kinda funny to be using pseudoscience to diss on sci-fi concepts."There's a fundamental plasma process called magnetic reconnection," Archer says. "[This] can cause a huge amount of energy when plasma with different magnetic fields collide."
Plasma is way more than just an ionised gas, I explain more https://t.co/iOfUtF8mPH
— Dr Martin Archer (@martinarcher) April 7, 2016
Archer, who has also taken on Game of Thrones and Superman, continues: "If you had a lightsaber fight, you'd pretty much get reconnection going on all the time unless you could get them exactly aligned when they clash."
"So the clash of two lightsaber blades, huge amounts of hot plasma are going to be ejected at explosive velocities, and they're going to vaporise your hands, legs and face off."