Planetary rovers, SETI and other musings, was Re: update.356(fwd)

[Steve Schear]

At 10:42 PM -0600 1/27/98, Jim Choate wrote:
>Forwarded message:
>
>> Date: Tue, 27 Jan 1998 20:34:48 -0800
>> From: Tim May <tcmay at got.net>
>> Subject: Re: Planetary rovers, SETI and other musings, was Re: update.356
>>  (fwd)
>
>> Nothing in quantum teleportation has been shown to propagate signals faster
>> than light. (If you don't believe me, look into it. Start by reading the
>> FTL discussions about Bell's Theorem.)
>
>The actual transportation of the state is instantanious as it must be by
>quantum theory, just as the change in orbits of an electron occurs instantly.
>However, the catch is that the command/synchronization channel must be
>sent in parallel and it at some point can't use the quantum transportation
>technique and hence the speed-of-light comes back into play. This was
>specificaly discussed in the original quantum transportation announcement
>sent out by AIP.

I don't understand why a command/synch channel is required.  Why aren't the
coding techniques commonly used in telecom and disk data encoding adequate
to both synchonize and convey data?

--Steve