Sometimes Duane imagined that he was the single crewman on a receding starship, already light-years from Earth, unable to turn around, doomed never to return, unable even to reach his destination in a human lifetime, but still connected by this expanding arc of electromagnetic radiation, rising now through the onionlike layers of old radio shows, traveling back in time as he traveled forward in space, listening to voices whose owners had long since died, moving back toward Marconi and then silence.