Yes - I've been working in neuroprosthetics since I came here. Nothing like these, of course, but a similar premise.

[For one, they're additional limbs, not really true prosthetics. For another, dear god!]

Otto Octavius. [Handshake!] Of course. We all have to stick together here. Now, if my own theories are correct, we all should be able to return to the same point in the timeline we left - if that's something you're worried about.