For some reason seeing Rokuro with familiar goggles on is not something that he anticipated, and quite briefly Tech wonders why this mirror looks slightly wrong.

"Lecture? Ah, regarding particles," Tech says, giving a nod as though this is the most obvious thing. He stiffens abruptly when he sees Rokuro wheeled around in his seat, brow furrowing in sudden acute focus at the man who apparently has some issue with them. The intent at least seems clear enough, and now that Tech's really giving his attention to them, he's beginning to realize they look vaguely familiar.

He draws himself up, sitting a little straighter from his usual slouch.