Stathis Papaioannou wrote:
On 4 May 2015 at 17:01, Bruce Kellett <bhkell...@optusnet.com.au> wrote:
Stathis Papaioannou wrote:
On 4 May 2015 at 16:45, LizR <lizj...@gmail.com> wrote:
On 4 May 2015 at 17:40, Stathis Papaioannou <stath...@gmail.com> wrote:
On 4 May 2015 at 14:38, LizR <lizj...@gmail.com> wrote:
Yes. I've mentioned occasionally that if the substitution level is
quantum,
then no-cloning may be a problem, at least in principle. The usual
answer is
that the subst level is WAY above quantum - that our experiences and
hence
the famous "observer moments" aren't anywhere near to the Planck time
or
length.
If the substitution level is quantum then no-cloning may be a problem
in practice, but not in principle.
It could be a problem in principle - in the sense that it's logically
impossible for some reason. Without a TOE we can't say, surely?
But the no-clone theorem does not say that it is impossible to make a
copy, just that it is impossible to make one at will.
making a copy implies making one at will. Otherwise it is just chance and
you do not know you have a copy.
But the copy knows!
What does the copy know?
Bruce
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