X-Message-Number: 33045
References: <>
From: Gerald Monroe <>
Date: Tue, 9 Nov 2010 04:27:33 -0600
Subject: Re: CryoNet #33043 - #33044

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Perry : I will concede that you are probably correct.

As for calculations : all my paragraphs of text are mainly on the fact that
1.  If you need a few atoms per bit stored or processed, you aren't going to
be able to do the calculations with robots that only mass a few hundred
daltons.  This is a fundamental assumption being that while you can probably
use a single atom as a transistor, you need several other atoms to create
the right conditions and to act as a support structure.  That limits the
density of molecular circuitry.  It would be difficult to even control such
robots if they were inside a frozen brain that you don't want to make any
inadvertent changes to.  (so you can't use intense beams of RF energy for
communications and intense magnetic fields as an induction power source.
 Even subtle changes in the molecular structure of the patient will destroy
information.  Just waiting too long lets radiation and brownian motion
destroy information : another reason not to wait a century. )

How can the robots even get into a cell without tearing a hole?  You want
your control computer to know where every single atom was originally in
order to extract the maximum information possible.  That means that each
robot somehow has to communicate the molecular mapping of each piece it
removes to gain access to something, through a solid mass of frozen tissue.
 Oh and the robot cannot have very much memory aboard for the reason above.
 And it's operating under temperatures that nearly all elements form solid
crystals at.

And don't mention the energy problems.  Everything the robot does has to
create high entropy products somehow...since you can't use intense magnetic
fields or RF energy the robot has to store it's energy supply chemically.
 Again, while swimming through LN2 in a patient that is a solid rock.

These problems are so ridiculous that I have to wonder if even perfect
technology could actually make this happen in our universe...hence my 'laws
of physics' comment.  I do concede said comment was ill-advised : you could
probably do it this way if you had lots of patience.

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