rotor replacement

[John J. Lee]

Paul Rubin <"http://phr.cx"@NOSPAM.invalid> writes:
[...]
> Building larger ones seems to
> have complexity exponential in the number of bits, which is not too
[...]

Why?


> It's not even known in theory whether quantum computing is
> possible on a significant scale.

Discuss. <wink>

(I don't mean I'm requesting a discussion -- it just reads like a
physics / philosophy exam essay question, which traditionally end with
that word :)


John