"Faster-than-light speed?" Ianto echoed. Was that even possible? God, it must be. Sulu didn't sound like he was taking the piss, and it did sound like a legitimate scientific advancement, certainly in an era where space travel was a common thing, so. Ianto just had to give up on trying to understand it, is all.

At the suggestion of doing lunch or grabbing a bit to eat, Ianto nodded. "Yeah, actually. If...you're paying, that is," he said, sheepishly. "I haven't got all that much money on me, and even if I did, it's probably not the right currency anyway."