How to build a nuclear-fusion reactor with parts from eBay

"For the past four years, Brooklyn web designer Mark Suppes has been building a nuclear-fusion reactor in the corner of a friend's cluttered warehouse — even though he has no background in nuclear physics, has never even studied electrical engineering and has a full-time website job at The New York Times." Says Suppes in the August issue of Wired, "The whole thing is really cool, ancient technology," he says. "Pipes and pumps and tubes. I am using an electron gun from an old cathode-ray tube from the 50s."