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This teaser for a subscribers-only article about a possible
new force peculiar to dark matter only is going to need some discussion here. http://space.newscientist.com/articl...ark-force.html xanthian. |
#2
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Thus spake Kent Paul Dolan
This teaser for a subscribers-only article about a possible new force peculiar to dark matter only is going to need some discussion here. http://space.newscientist.com/articl...k-matter-gets- its-own-dark-force.html One can establish anything by invoking a force which doesn't obey known physics to account for the behaviour of a form of matter which doesn't obey known physics. But is it science? Regards -- Charles Francis substitute charles for NotI to email |
#3
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Oh No wrote:
Thus spake Kent Paul Dolan This teaser for a subscribers-only article about a possible new force peculiar to dark matter only is going to need some discussion here. http://space.newscientist.com/articl...ark-force.html One can establish anything by invoking a force which doesn't obey known physics to account for the behaviour of a form of matter which doesn't obey known physics. But is it science? Umm, "teleconnection"??? Also, _all_ the currently accepted forces were once new to science, and everything below the size level of gross matter was once new to science, so your argument doesn't hold much water. xanthian. |
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Thus spake Kent Paul Dolan
Oh No wrote: Thus spake Kent Paul Dolan This teaser for a subscribers-only article about a possible new force peculiar to dark matter only is going to need some discussion here. http://space.newscientist.com/articl...0-dark-matter- gets-its-own-dark-force.html One can establish anything by invoking a force which doesn't obey known physics to account for the behaviour of a form of matter which doesn't obey known physics. But is it science? Umm, "teleconnection"??? That is not a force. That is a proposed answer to unresolved questions concerning the unification of quantum theory and general relativity. In fact it does appear to be a uniquely consistent resolution. You may like to know, btw, since you raised this point some while ago, that while the motion of an individual star cannot be determined with sufficient accuracy to test the teleconnection prediction, I am engaged in analysing the Doppler and proper motions local stars for which there is an unbiassed database of thousands, and having none of the ambiguity or the lack of homogeneity of the SN data sets. This time it does look like a conclusive result is possible. I will let you know what that result is in due course. Also, _all_ the currently accepted forces were once new to science, and everything below the size level of gross matter was once new to science, so your argument doesn't hold much water. True. But before it was meaningful to discuss such forces and such matter, there was clear empirical evidence both for its existence and its behaviour. In contrast the evidence for Cold Dark Matter and its behaviour is about as clear as the evidence for Phlogiston, and I don't think that was scientific either. Regards -- Charles Francis substitute charles for NotI to email |
#5
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Oh No wrote:
In contrast the evidence for Cold Dark Matter and its behaviour is about as clear as the evidence for Phlogiston You know, considering that you recommend so heavily in your disputes with Chalky and John Bell for deference to the known experts when it comes to standard candle quality measures, velocity error bars, and other data, which support your analyses, it seems a bit self serving that you can be so much in denial on the growing evidence from rafts of other, equally skilled experts that cold dark matter exists, and that only a limited amount of it can be MACHOs, evidence that seemingly confounds your theories. Consult Ted's just posted URL, http://arxiv.org/abs/astro-ph/0107248 for both example direct content, and a long, long list of references on the subject. That particular evidence, moreover, is right here at home in the Local Group, not in galaxies far, far away where accuracy of standard candles is exceptionally important. Having it here, and using the "least astonishment" that probably what we see here is pretty typical of the universe, makes it likely that dark matter is everywhere, not just here where we live, and surely not of "Phlogiston credibility". The recent Hubble data and image from survey of the dark matter lensing in a narrow window toward the universe is pretty convincing on an "authoritativeness" level as well: http://imgsrc.hubblesite.org/hu/db/2...mats/print.jpg http://hubblesite.org/newscenter/arc.../2007/01/full/ considering that even rating exceptionally scarce and valuable Hubble time is already an indication of great respect from other astronomers. How about if you start letting the data play on an even field, instead of one so severely tilted toward your theories? xanthian. |
#6
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Thus spake Kent Paul Dolan
Oh No wrote: In contrast the evidence for Cold Dark Matter and its behaviour is about as clear as the evidence for Phlogiston You know, considering that you recommend so heavily in your disputes with Chalky and John Bell for deference to the known experts when it comes to standard candle quality measures, velocity error bars, and other data, which support your analyses, it seems a bit self serving that you can be so much in denial on the growing evidence from rafts of other, equally skilled experts that cold dark matter exists, and that only a limited amount of it can be MACHOs, evidence that seemingly confounds your theories. As I said in that thread, the bottom line is one consults the facts, not the experts. In that particular case the facts fitted what the bulk of the experts said, not what the one expert that Chalky and John Bell wanted to cite as an authority. Consult Ted's just posted URL, http://arxiv.org/abs/astro-ph/0107248 for both example direct content, and a long, long list of references on the subject. I am very familiar with the subject. That particular evidence, moreover, is right here at home in the Local Group, not in galaxies far, far away where accuracy of standard candles is exceptionally important. Having it here, and using the "least astonishment" that probably what we see here is pretty typical of the universe, makes it likely that dark matter is everywhere, not just here where we live, and surely not of "Phlogiston credibility". Precisely of that level imv. Worse, actually, because phlogiston was not in conflict with scientific knowledge at the time. But it did have many self contradictory properties swept under the carpet, in so far as I know, and that does make it very similar. The recent Hubble data and image from survey of the dark matter lensing in a narrow window toward the universe is pretty convincing on an "authoritativeness" level as well: http://imgsrc.hubblesite.org/hu/db/2...mats/print.jpg http://hubblesite.org/newscenter/arc.../2007/01/full/ Not in the least. These is just an interpretation of data according to laws. It may be no better than trying to estimate distances while wearing fish eyed lense goggles. How about if you start letting the data play on an even field, There's nothing wrong with the data. The issue is how should it be interpreted. Regards -- Charles Francis substitute charles for NotI to email |
#7
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Despite repeated pooh-poohing from Charles Francis,
apparently the rest of the scientific community has no particular problem anticipating that dark matter and dark energy are going to require some rewriting of the rules of physics. This eminently readable popularization of the issues: http://www.sciam.com/article.cfm?cha...CA562C33C4F03C says in part: "Not only does dark energy appear to make up the bulk of the universe, but its existence, if it stands the test of time, will probably require the development of new theories of physics." Pay special attention to the overview and sidebars, which are also informative. FWIW xanthian. |
#8
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Thus spake Kent Paul Dolan
Despite repeated pooh-poohing from Charles Francis, apparently the rest of the scientific community has no particular problem anticipating that dark matter and dark energy are going to require some rewriting of the rules of physics. This eminently readable popularization of the issues: http://www.sciam.com/article.cfm?cha...leID=1356B82B- E7F2-99DF-30CA562C33C4F03C says in part: "Not only does dark energy appear to make up the bulk of the universe, but its existence, if it stands the test of time, will probably require the development of new theories of physics." Of course we already know that we need to develop a new theory of physics, and have done for about seventy years since quantum theory and general relativity are not compatible. All I have been saying is that Cold Dark matter and dark energy are symptomatic of the type of thing which arises when there is something wrong in the model used to describe physics. They do indeed require some rewriting of the rules of physics. As far as I know the only rewriting of the rules of physics to date which unifies general relativity and quantum theory in a consistent model is the teleconnection. I have tested numerous empirical predictions of the teleconnection and found them consistent with observation in a universe with neither cold dark matter nor dark energy. Regards -- Charles Francis substitute charles for NotI to email |
#9
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Oh No wrote:
Of course we already know that we need to develop a new theory of physics, and have done for about seventy years since quantum theory and general relativity are not compatible. All I have been saying is that Cold Dark matter and dark energy are symptomatic of the type of thing which arises when there is something wrong in the model used to describe physics. They do indeed require some rewriting of the rules of physics. So were and did special and general relativity. In the minds of most working astronomers, dark matter and energy _are_ the needed changes. You are falling for the old logical trap that when something is not understood (here the formulation that will blend quantum and gravity concerns), that lack of understanding constitutes affirmative evidence for unlikely explanations. That simply isn't true, never has been, whether the resulting unlikely explanation of what isn't understood is deities or teleconnections. As far as I know the only rewriting of the rules of physics to date which unifies general relativity and quantum theory in a consistent model is the teleconnection. I have tested numerous empirical predictions of the teleconnection and found them consistent with observation in a universe with neither cold dark matter nor dark energy. This seems to be part of the same syndrome that has you ignoring/culling the evidence that disagrees with you in your discussions with Chalky and John Bell. There's _lots_ of very good, thoroughly peer reviewed evidence for dark matter, and more arriving constantly. That's why it has become the overwhelmingly held opinion among practicing cosmologists. http://images.google.com/images?q=hu...ark.matter+map Can you really look at a cold dark matter map [developed by 70-odd scientists who can "do the math" and are practicing astronomers of the reputation rank that rate Hubble time], covering half the span of time, that even shows cold dark matter collapsing over time from its own gravity, shows it lensing the distant stars, shows it both in and between galaxies and clusters of galaxies, and simply _ignore_ its reality, and claim there is _no such evidence_? What, for you, would _constitute_ evidence, if that survey does not? "Teleconnection" is so far only a working theory in your own mind, and your frequent confessions that you are learning astronomical theory and data as you go along, while at the same time the persistent evidence that you just ignore facts inconvenient to your theories, doesn't hold out much hope that teleconnection is ever going to be a theory anywhere _but_ your mind. How you are working isn't how science is done, at least not "real science". Your "teleconnection" theory is judged now and will be judged forever after on how much like a scientist you function in creating that theory, including that all available evidence was included/considered in checks that it "worked". You need desperately much to internalize the concept that _one_ confounding datum sinks a theory, and stop ignoring the ones that do or will sink yours. FWIW xanthian. [This preference of yours for ignoring contrary evidence has strong explanatory power for your recent participation in creating a (_moderated_ for the love of Chaos) Usenet newsgroup dedicated to kook science, as if Usenet needed the black eye you've just given it.] |
#10
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Thus spake Kent Paul Dolan
Oh No wrote: Of course we already know that we need to develop a new theory of physics, and have done for about seventy years since quantum theory and general relativity are not compatible. All I have been saying is that Cold Dark matter and dark energy are symptomatic of the type of thing which arises when there is something wrong in the model used to describe physics. They do indeed require some rewriting of the rules of physics. So were and did special and general relativity. Note that they were produced by a mathematical theorist. In the minds of most working astronomers, dark matter and energy _are_ the needed changes. Working astronomer's, by and large, are not equipped to deal with the mathematical issues which arise in the unification of quantum theory and general relativity. That is the domain of the mathematical physicist. You are falling for the old logical trap that when something is not understood (here the formulation that will blend quantum and gravity concerns), that lack of understanding constitutes affirmative evidence for unlikely explanations. Actually not, a) because I do understand a formulation that does blend quantum theory and gravity, and b) because it produces clear predictions which include the explanations I have given. This is a matter of mathematics. As far as I know the only rewriting of the rules of physics to date which unifies general relativity and quantum theory in a consistent model is the teleconnection. I have tested numerous empirical predictions of the teleconnection and found them consistent with observation in a universe with neither cold dark matter nor dark energy. This seems to be part of the same syndrome that has you ignoring/culling the evidence that disagrees with you in your discussions with Chalky and John Bell. There wasn't any evidence that disagreed with me. Actually, some of the evidence I "culled" as you put it favoured the teleconnection. In particular the HZST data did. Nonetheless, it was not possible to combine it with the other datasets on purely statistical grounds. There's _lots_ of very good, thoroughly peer reviewed evidence for dark matter, and more arriving constantly. That's why it has become the overwhelmingly held opinion among practicing cosmologists. It is all based on the analysis of redshift and/or lensing. http://images.google.com/images?q=hu...ark.matter+map Can you really look at a cold dark matter map [developed by 70-odd scientists who can "do the math" and are practicing astronomers of the reputation rank that rate Hubble time], covering half the span of time, that even shows cold dark matter collapsing over time from its own gravity, shows it lensing the distant stars, shows it both in and between galaxies and clusters of galaxies, and simply _ignore_ its reality, and claim there is _no such evidence_? Of course. They can do the math of classical general relativity, but they cannot, as yet do the math of the teleconnection. When that math is done it will produce an entirely different map. I wouldn't mind betting that it produces a map with no cold dark matter. What, for you, would _constitute_ evidence, if that survey does not? The inconsistency between lensing profiles and rotation curves referenced in my earlier post constitutes evidence. I am shortly going to release some fairly conclusive evidence, which you will be able to test yourself based on online stellar databases. You need desperately much to internalize the concept that _one_ confounding datum sinks a theory, and stop ignoring the ones that do or will sink yours. I suggest you read the references I gave you on lensing profiles and apply the criterion yourself. Regards -- Charles Francis substitute charles for NotI to email |
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