"Oh." Will's surprise is obvious. "You sounded so versed in discussing time travel that I suppose I made an assumption." But unfortunately, that location description leaves him none of the wiser. "I'm not familiar with the area. What's it like? And when were you there--i-if you don't mind me asking?"

He's gotten the definite impression that there's a time discrepancy for Cambridge, but he's curious about the specifics of how wide that gap might be. He wonders if he could be from some sort of far future--farther even than this ship. But as unfamiliar as he is with the area and its technology, it's hard for him to judge.