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-----Original Message-----
From: Martin Simon [SMTP:msimon@physics.ucla.edu]
Sent: Wednesday, July 01, 1998 12:19 PM
To: phys-l@atlantis.uwf.edu
Subject: Re: Arthur C. Clarke on Cold Fusion
I'm quite behind on my readings of this group, but I wanted to give an
interesting reference on the cold fusion story that I haven't seen
discussed
very much. Most people don't believe in the fusion part of cold
fusion
anymore because there is little evidence of any fusion reaction
products
(and many experiments show the same results using plain water). The
only
"reproducible" result which has been hard to understand is the claim
of
"excess heat" from apparently competent calorimetry measurements.
However, there are a number of assumptions which go into the
calorimetry,
one of which is called the Faraday efficiency (a measure of the
efficiency
of the electrolysis), which is usually assumed to be 100%. This
paper,
measured the Faraday efficiency for these cells and found it to be
less
than 100%. They then analyzed all the published data which showed
excess
heat and showed that with the correct Faraday efficiency, all the
excess
heat disappears. No excess heat, no cold fusion effect and nothing to
debate anymore.
The paper is "Calorimetry, excess heat, and Faraday Efficiency in
Ni-H20
electrolytic cells", Zvi Shkedi, et al., Fusion Technology, Vol 28, pg
1720,
Nov. 1995.