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Jim Kelley wrote:
I should have said Tom. If I were Cecil I'd have blamed the error on my glasses or my advanced age. ;-) Alzheimer's can certainly strike at your age, Jim. :-) My Dad was legally blind when he was my age so I'm ahead of the curve. You're at least partially right though. Power does not superpose (because, for among other reasons, it doesn't move or propagate). The point you continue to miss is that power does not interfere either. Here's a quote from my magazine article, Jim. If you would just cease and desist from your MF'ing ways (that's "mind", not "muther"), you might understand. Quote: ************************************************** ******************** "The words 'power flow' have been avoided even though that is a term of common usage. For the purposes of this paper, energy flows and power is a measure of that energy flowing at a fixed point or plane. Likewise, the EM fields in the waves do the interfering. Powers, treaded as scalars, are incapable of interference." ************************************************** ******************** But you already knew that's what I believe since I have been telling you exactly that in CAPITAL LETTERS for years now and even sent you an advance copy of my magazine article. I have never asserted the things you claim that I have. Hopefully, the readers will recognize you for what you are. The irradiance equations are nevertheless correct because power goes as the square of the fields - which do of course superpose and interfere. The equations accurately describe the effect - the end result, the outcome, not necessarily the cause or the mechanism by which the result is achieved. Where does the constructive interference energy come from, Jim? Hecht says that in the absence of energy from other sources, the constructive interference energy must be exactly matched by an equal amount of destructive interference. Please present your credentials that allows you to disagree with Eugene Hecht? Before we go any further (and it is my sincerest hope that we do not), I agree with Melles-Griot, ... No you don't, and your disagreement is more than obvious to any informed casual observer. You remind me of a fellow employee from the 70's. I asked him what he would do if his wife caught him in bed with his neighbor's wife (as I did) and he answered, "I'd just deny it." -- 73, Cecil http://www.qsl.net/w5dxp |
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