“But does it work?”
Dr. Seaver leaned back in his chair and blew on his mug of instant soup. The steam fogged his glasses. “Of course not. It’s just a thought experiment.”
“Oh,” I said, picking up a doohickey on the professor’s desk. “Of course.” The doohickey, or maybe gizmo is a better word, had protruding wires and springs and blinking lights that changed pattern as I turned the thing over in my hands. Dr. Seaver watched me indulgently.
“It’s based,” he continued, “on a faulty premise: the idea of the circular spectrum.”
“The what now?” I returned the gizmo to its spot.