Ana10g writes: Are you looking for a thruster for that spacecraft you've been building on the side? Matthew Krolak's How-To Article details how to build a Magnetoplasmadynamic Thruster may have the answer. It actually seems to be fairly straightforward, and the parts are readily available.
"I have more information in one place than anybody in the world."
-- Jerry Pournelle, an absurd notion, apparently about the BIX BBS