Even if I am wrong and Focardi's results are not as "iffy" as I suspect, we still need to see a solid independent replication, because these results are very different from other claims.

Compare them to the original Mills claims that were published about the time Focardi et al. got to work:

Mills -- electrolysis; gigantic Ni surface area; very low power density; a claim that potassium in the electrolyte is essential to the reaction

Focardi -- gas loading; very small Ni surface area; some of the highest power density ever reported; no potassium

The surface area is puzzling to me. The rod used by Focardi would seem to absorb very little gas. If gas loading with Ni works, I suppose it would call for something similar to Arata's nanoparticle Pd designed for gas loading. Something like Raney nickel (porous catalyst).

When a claim is similar to previous claims, with only an incremental different, it is supported by previous claims. Suppose someone reports more heat because the cell temperature is 80°C instead of 20°C. That seems plausible. But someone who makes many radical changes, and goes from liquid to gas, high surface area to low surface area, and so on, is effectively making a radically new claim. Such claims must be independently replicated before we can believe them. We can take them seriously. We should take them seriously, because otherwise no one will bother to try and replicate.

- Jed

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