DGT admitted that they discovered the mystery catalyst through spectroscopic data, IIRC - meaning it is definitely radioactive- and given the reason for regular refueling could be the half-life of the catalyst, and given the Celani story from the January demo of a burst on his meter - and given that the catalyst must be relatively cheap... do these point to anything worth getting worked up about ?
Well, radon is good candidate, except the half life is too short. Potassium OTOH is both a Mills catalyst and is slightly radioactive. There could be synergy there -except- it a low percentage of the natural element. However, a catalyst enriched in 40K is not out of the question. If enrichment can be done easily, this could be the ticket. Here is one way you can do it at home, even if you don't live on a banana plantation: http://jila.colorado.edu/~jin/publications/pdf/1999_1967.pdf There are other ways, as it turns out. Few raw materials are cheaper than potassium chloride. BTW - Radon/radium was once considered healthy. Radium spas and hot springs were popular - and exposure was said to cure cancer instead of cause it. You can be the judge of that. Google : "Revigorator" then google "Eben Byers". Anyway, radon/radium is not a good choice for a number of reasons ... and indeed the best candidate for a radioactive catalyst seems to be enriched potassium (40K). It would possibly work even better given the Mills' connection and the need for ionization with high hydrogen pressure and moderate temperature (which is contradictory). In a way, I am surprise Mills did not try an enriched KCO3 since it would kill two birds with one stone, as they say. OTOH maybe he did, and didn't tell :-) Neither Rossi nor DGT (nor even Mills) would want the identity of a radioactive catalyst to be known, of course, especially if it were to be so easily obtainable as enriched 40K could be. Courtesy of Rossi-speak, there should be plenty of denials on all of these points, even if we have finally nailed it ... so don't bother asking him.
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