"Ah." Now, this is a bit awkward. Andrew had kept up his efforts at scanning for a little while until the TARDIS had pointed out that his homemade scanner was terrible and made him all self conscious about it. Without the TARDIS herself to help him (not that she wouldn't have been willing; it just seems awkward), he hasn't actually got that much done about it.

Drawing in a long breath, he gives the Master a cock-eyed look. "If I knew anything, do you think the rift would still be open and I'd still be here?"