I meditated on this lost and perhaps mythical labyrinth . . . on the secret summit of some mountain . . . I imagined it infinite, . . . a sinuous, ever-growing maze which would take in both past and future and would somehow involve the stars. —Jorge Luis Borges, “The Garden of Forking Paths” “I did it,” Professor Radiant announced. “I’ve solved the problem of faster-than-light travel.” Radiant was the most senior member of La Mancha University’s Department of Mathematics, but no one listened to him. He was well known for his quixotic quests to solve problems like the Riemann hypothesis or to show Pi did, in fact, have a last digit. Of course these efforts never ended well. Thus, not until Professor Radiant made his claim about the secret of FTL travel…