Sylvia Else writes:

David Spain wrote:

Yeah, don't get me started on quantum computers when they are in the
coherent superposition state!

:-)

Actually, I wouldn't mind getting you started. Despite reports of QCs doing
some basic arithmetic, I'm still rather dubious about whether these things can
really work.

Show me factorisation of otherwise intractable composite numbers, and I'll
start to believe


Don't base your public key encryption on 5 x 3:

http://www.sciencemag.org/cgi/conten.../325/5945/1221

Granted far from intractable, but one must assume more is being spent
on development of this than we read about in the papers.

I'll also be highly amused by the abrupt disappearance of important computer
security infrastructure. Well, I did warn them....

Sylvia.

More like the abrupt disappearance of large sums of money, or perhaps the
misplacement of an Army or Navy at a most in-opportune time.

Warnings are good, but is anyone listening?

Dave