On Wed, Dec 12, 2012 at 6:39 PM, Abd ul-Rahman Lomax
<a...@lomaxdesign.com> wrote:
> At 04:47 PM 12/12/2012, Craig wrote:
>>
>> The have 48 watts of input power now and are getting out 52 - 54 watts on
>> their conservative estimate. Their optimistic estimate shows them at  around
>> 67 - 70 watts out.
>
>
> This may be unfair, because it's a reaction to Craig's comment and not the
> MFM results, but "conservative" and "optimistic" don't really have a place
> in scientific reports. What we want to know is the measure of output power,
> the error bar. It's sounding like it's 52-70 watts, which would be amazingly
> imprecise. (Pons-Fleischmann were measuring in milliwatts, if I'm correct,
> using complex isoperibolic calorimetry, and the accuracy of SRI flow
> calorimetry, solid and much simpler but less precise, was, as I recall +/-
> 50 mW.)
>
> With that much imprecision, the input power of 48 watts is only slightly
> outside the error, and some relatively small unidentified effect might
> explain it.
>
> I'm hoping it's unfair....

Unless one is trying to see if the data points are consistent with a
*predicted* curve, I don't think error bars are particularly
instructive at this time.

Harry

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