Re: starship-design: Fwd: FW: 100 years ago......

[Steve VanDevender <stevev@efn.org>]

KellySt@aol.com writes:
 > In a message dated 3/20/02 11:08:41 PM, stevev@efn.org writes:
 > 
 > > > As to the transporter experiment
 > > > 
 > > > http://www.research.ibm.com/quantuminfo/teleportation/
 > >
 > >"Quantum teleportation" means "we can take an initially unknown and
 > >uncontrollable quantum state and duplicate it in two physically
 > >separated locations, such that when we measure them they are observed to
 > >be identical and to collapse 'simultaneously'".  This is a far cry from
 > >making a Star Trek "transporter".
 > 
 > Not really.  Both create a exact duplicate of the origional particles at the 
 > remote site.

No it doesn't.  Quantum teleportation is just about creating correlation
in a multiparticle system; it's not duplicating particles, but producing
correlated pairs in separate locations.  The "teleportation" is of
quantum state; it doesn't move matter around.

 > The problem is you can only do it a particle at a time, hence 
 > replicating a full object would take a rediculas amount of time. I.E. the 
 > systems useless for that.