Build layers of security. Don't use hard-wired passwords. I.e., Stop being stupid about security. But no, you can't just air gap.
Actually, alternate universes and white holes are about as far from actually accepted theories as you can get, this side of string theory.
Actually, starting a response with "actually" makes anyone sound like a jerk.
So those 32 extra bits of memory addressing are nice. But don't forget about that 1 extra bit for identifying registers!