"Of course," Q nods gravely. "A critical distinction. Thank you."
Q smiles and sags a bit, relieved.
He nods again, listening wide-eyed. He's gone just a bit pale. "It sounds a bit like a CAT scan," he tells them all. "Only more so." He glances at Severus as he speaks. "Is that what you had in mind Severus?" It sounds rather Altered States-ish to him, but since he doesn't think anyone will understand the reference (maybe Remus, but not likely) he refrains from mentioning it. "And more to the point, is such equipment available here?"