Jay Honeck wrote:
I think a StarWars light saber might be possible with a
controlled magnetic field and plasma.

Which, of course, always begs the question of: "Why?"

You never need a reason to build a light saber.

I know, I know -- because it's an elegant weapon. But without The
Force to guide your hand, you're just a sitting duck for a guy in a
walker with a laser cannon...

And who says some of us can't use the Force? g