[audio]
Oh. In that case, I might have to find out if there are classes around here as an excuse to stop by your office if you get one and say hi now and then. [He was still a student, after all. Even if he was stuck here.]
Ah, I 'isolate' things. I can create a barrier to cut anything inside off from the outside world. You can't see what's inside, and nothing can get in or out. Not even--[He hesitates, and decides not to reveal the 'bad' thing about his power.]