"I feel out-voted." Horvath sighs. "I used to have one with copper, but it was less stable as a conductor..." Someday Dave, too, may find himself discussing the finer points of crafting a permanent magic circle. There's an art to it, after all.

"We do sleep in beds, you know, and eat, and do all those normal sorts of things. Even if we do count as ancient artifacts." He's a little amused by Dave's questions, as if he's got that grade-school kid mentality where they think their teacher just sleeps in the classroom at night.