I appreciate Eric's response. My focus is only my focus; I am generally encouraging closer exploration of trhe Fleischmann-Pons Heat Effect, which has been the subject of thousands of efforts, and there is a lot of data.

Often, I find, the data is nevertheless inadequate for use to distinguish between the various theories. The reason for that is the history of cold fusion, which generally treated the FPHE as a mess, as inadequate, with a push to "make it reliable" before it would be worth anything.

Which was a serious error. The FPHE was quite adequately reliable for profound study, as was shown by Miles' work, which cut completely across the "reliability" question by considering the entire experimental set. The "dead cells," then, became the controls!

What is the heat/helium ratio in this type of experiment? Cells don't need to be reliable -- at all -- for this investigation.

This one was recognized as being important enough to be worth confirmation and continued investigation, for a time, but it has still been inadequate. Much more accurate work could be done....

But another example: tritium has been found in FP electrolytic cells, but I've seen no study that correlates the tritium with the heat effect. I can understand why. The tritium found was inadequate to explain the heat *if the reaction were d+d -> t+p, He-3+n, He-4 + gamma*, i.e., ordinary fusion. Nowhere near enough. So the actual tritium levels were not reported, when heat was reported, or heat was not reported, when tritium was reported. Nor were helium and tritium correlations reported.

In addition, some obvious theories as to tritium formation would want to know the isotopic composition of the heavy water. Reported? Let's say that we don't have the data, the H/D composition of the heavy water. That composition can vary if the heavy water is exposed to humid air, deuterium oxide is hygroscopic, so actual measurement at the time of the experiment could be important, not just how the heavy water was purchased.

Many very simple facts about the FPHE have not been investigated. I've just mentioned one, and I intend to research it in depth. It appears to be a common observation in some FPHE class experiments (including codeposition, now), that there is a drop in cell resistance associated with the onset of a power burst. A transient *apparent power burst* is easily explained by this, because when cell resistance drops, so does input power, and if output power is calorimetric power minus input power, the drop in input power will not be immediately reflected in calorimetric power, it takes time for the cell to thermally settle.

However, if the excess power persists, and especially if temperature begins to rise in association with the resistance reduction (the opposite of what we'd expect simply from the reduction in input power), we may have a "tell" of the reaction. It's actually not difficult to explain, there are two major ideas, besides simple error, but the experimental significance could be great, in terms of practical ways of quickly detecting XP.

One of the problems with considering all possible environments for cold fusion is that solidly established work can get mixed up with what is anecdotal or unverified. That covers the entire Rossi situation. A "demonstration" is *never* the same as an independent report.

I'd love to know if biological transmutation is real. However, the best LENR work in this area (Vysotskii) is unverified. That says nothing about the quality of the work, but much about what researchers are willing to devote time to verify.

At 04:44 PM 7/14/2012, Eric Walker wrote:
On Sat, Jul 14, 2012 at 3:31 PM, Abd ul-Rahman Lomax <<mailto:[email protected]>[email protected]> wrote:

I prefer to avoid much speculation about other environments, such as NiH, and consider that care should be used to not assume that all LENRs are the same reaction or reaction mechanism. Maybe they are, but this is not actually a good application of Occam's Razor, which is about choosing the simplest explanation for a single event or effect. If it works, great, if a single explanation does explain well many effects, Occam's Razor would favor it, but .... often the attempt to explain everything with one mechanism runs into complications, attempting to shoehorn a boatload of effects in various environments into a single theory.


I'm beginning to appreciate the need to take more care in keeping track of the specifics of the various experiments. Â My current thinking is that it's an open question as to whether there is a shared mechanism between all of the substrates (Pd, Ni, Ti, W, etc.) and isotopes of hydrogen, which is different from what I've thought in the past. Â I also think that the question is in itself an interesting one. Â For this reason I'm going to try to pay more attention to the details going forward.

Given my bias towards a single mechanism (with allowances for multiple ways that this mechanism plays out), I would feel like I might miss an important detail if I focused exclusively on one type of experiment or system. Â But it would also be bad to preclude the possibility of separate mechanisms by being heedless of the details.

Eric

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