From: John Jones on 25 Dec 2009 19:47 Pentcho Valev wrote: > A couple of weeks ago I posted on PHILOS-L, a philosophy list with > 4,853 subscribers, the following quotation: > > http://listserv.liv.ac.uk/cgi-bin/wa?A2=ind0911&L=philos-l&T=0&O=D&P=50126 > Peter Hayes "The Ideology of Relativity: The Case of the Clock > Paradox" : Social Epistemology, Volume 23, Issue 1 January 2009, pages > 57-78. > "The triumph of relativity theory represents the triumph of ideology > not only in the profession of physics but also in the philosophy of > science." > > Philosophers of science remained silent. For the sake of argument, let > us assume that they possess dignity which prevents them from > discussing Peter Hayes quoted by Pentcho Valev. The assumption is > wrong. In 2001 Jos Uffink, an influential philosopher of science, > published a text equivalent to "The triumph of thermodynamics > represents the triumph of ideology not only in the profession of > physics but also in the philosophy of science": > > http://philsci-archive.pitt.edu/archive/00000313/ > Jos Uffink: "This summary leads to the question whether it is fruitful > to see irreversibility or time-asymmetry as the essence of the second > law. Is it not more straightforward, in view of the unargued > statements of Kelvin, the bold claims of Clausius and the strained > attempts of Planck, to give up this idea? I believe that Ehrenfest- > Afanassjewa was right in her verdict that the discussion about the > arrow of time as expressed in the second law of the thermodynamics is > actually a RED HERRING." > > For eight years no philosopher of science has discussed or even > referred to this text. Uffink himself seems to have forgotten it > completely. Another influential philosopher of science, John Norton, > published texts which, combined with a few other texts, suggest that > Einstein's 1905 false light postulate has in fact killed theoretical > physics. Other philosophers of science remained silent: > > http://www.pitt.edu/~jdnorton/papers/companion.doc > John Norton: "Einstein could not see how to formulate a fully > relativistic electrodynamics merely using his new device of field > transformations. So he considered the possibility of modifying > Maxwell's electrodynamics in order to bring it into accord with an > emission theory of light, such as Newton had originally conceived. > There was some inevitability in these attempts, as long as he held to > classical (Galilean) kinematics. Imagine that some emitter sends out a > light beam at c. According to this kinematics, an observer who moves > past at v in the opposite direction, will see the emitter moving at v > and the light emitted at c+v. This last fact is the defining > characteristic of an emission theory of light: the velocity of the > emitter is added vectorially to the velocity of light emitted....If an > emission theory can be formulated as a field theory, it would seem to > be unable to determine the future course of processes from their state > in the present. AS LONG AS EINSTEIN EXPECTED A VIABLE THEORY LIGHT, > ELECTRICITY AND MAGNETISM TO BE A FIELD THEORY, these sorts of > objections would render an EMISSION THEORY OF LIGHT INADMISSIBLE." > > http://philsci-archive.pitt.edu/archive/00001743/02/Norton.pdf > John Norton: "Einstein regarded the Michelson-Morley experiment as > evidence for the principle of relativity, whereas later writers almost > universally use it as support for the light postulate of special > relativity......THE MICHELSON-MORLEY EXPERIMENT IS FULLY COMPATIBLE > WITH AN EMISSION THEORY OF LIGHT THAT CONTRADICTS THE LIGHT > POSTULATE." > > http://books.google.com/books?id=JokgnS1JtmMC > "Relativity and Its Roots" By Banesh Hoffmann > p.92: "Moreover, if light consists of particles, as Einstein had > suggested in his paper submitted just thirteen weeks before this one, > the second principle seems absurd: A stone thrown from a speeding > train can do far more damage than one thrown from a train at rest; the > speed of the particle is not independent of the motion of the object > emitting it. And if we take light to consist of particles and assume > that these particles obey Newton's laws, they will conform to > Newtonian relativity and thus automatically account for the null > result of the Michelson-Morley experiment without recourse to > contracting lengths, local time, or Lorentz transformations. Yet, as > we have seen, Einstein resisted the temptation to account for the null > result in terms of particles of light and simple, familiar Newtonian > ideas, and introduced as his second postulate something that was more > or less obvious when thought of in terms of waves in an ether." > > http://www.academie-sciences.fr/membres/in_memoriam/Einstein/Einstein_pdf/Einstein_eloge.pdf > Louis de Broglie: "Tout d'abord toute id�e de "grain" se trouvait > expuls�e de la th�orie de la Lumi�re : celle-ci prenait la forme d'une > "th�orie du champ" o� le rayonnement �tait repr�sent� par une > r�partition continue dans l'espace de grandeurs �voluant contin�ment > au cours du temps sans qu'il f�t possible de distinguer, dans les > domaines spatiaux au sein desquels �voluait le champ lumineux, de tr�s > petites r�gions singuli�res o� le champ serait tr�s fortement > concentr� et qui fournirait une image du type corpusculaire. Ce > caract�re � la fois continu et ondulatoire de la lumi�re se trouvait > prendre une forme tr�s pr�cise dans la th�orie de Maxwell o� le champ > lumineux venait se confondre avec un certain type de champ > �lectromagn�tique." > > http://www.perimeterinstitute.ca/index.php?option=com_content&task=view&id=317&Itemid=81&lecture_id=3576 > John Stachel: "Einstein discussed the other side of the particle-field > dualism - get rid of fields and just have particles." > Albert Einstein 1954: "I consider it entirely possible that physics > cannot be based upon the field concept, that is on continuous > structures. Then nothing will remain of my whole castle in the air, > including the theory of gravitation, but also nothing of the rest of > contemporary physics." > John Stachel's comment: "If I go down, everything goes down, ha ha, > hm, ha ha ha." > > http://www.ekkehard-friebe.de/wallace.htm > Bryan Wallace: "Einstein's special relativity theory with his second > postulate that the speed of light in space is constant is the linchpin > that holds the whole range of modern physics theories together. > Shatter this postulate, and modern physics becomes an elaborate > farce!....The speed of light is c+v." > > Recently John Norton suggested that the conclusion that the separation > between past, present and future is an illusion, a conclusion directly > following from Einstein's 1905 false light postulate, should be > abandoned. Other philosophers of science remained silent: > > http://www.salem-news.com/articles/june232009/einstein_lessons_dj_6-22-09.php > "For those of us who believe in physics, this separation between past, > present and future is only an illusion, however tenacious" - Albert > Einstein > > http://www.geekitude.com/gl/public_html/article.php?story=20050422141509987 > Brian Greene: "I certainly got very used to the idea of relativity, > and therefore I can go into that frame of mind without it seeming like > an effort. But I feel and think about the world as being organized > into past, present and future. I feel that the only moment in time > that's really real is this moment right now. And I feel [that what > happened a few moments ago] is gone, and the future is yet to be. It > still feels right to me. But I know in my mind intellectually that's > wrong. Relativity establishes that that picture of the universe is > wrong, and if I work hard, I can force myself to recognize the fallacy > in my view or thinking; but intuitively it's still what I feel. So > it's a daily struggle to keep in mind how the world works, and > juxtapose that with experience that [I get] a thousand, even million > times a day from ordinary comings and goings." > > http://www.newscientist.com/article/mg20026831.500-what-makes-the-universe-tick.html > "General relativity knits together space, time and gravity. > Confounding all common sense, how time passes in Einstein's universe > depends on what you are doing and where you are. Clocks run faster > when the pull of gravity is weaker, so if you live up a skyscraper you > age ever so slightly faster than you would if you lived on the ground > floor, where Earth's gravitational tug is stronger. "General > relativity completely changed our understanding of time," says Carlo > Rovelli, a theoretical physicist at the University of the > Mediterranean in Marseille, France.....It is still not clear who is > right, says John Norton, a philosopher based at the University of > Pittsburgh, Pennsylvania. Norton is hesitant to express it, but his > instinct - and the consensus in physics - seems to be that space and > time exist on their own. The trouble with this idea, though, is that > it doesn't sit well with relativity, which describes space-time as a > malleable fabric whose geometry can be changed by the gravity of > stars, planets and matter." > > http://www.pitt.edu/~jdnorton/Goodies/passage/index.html > John Norton, 1 Mar 2009: "A common belief among philosophers of > physics is that the passage of time of ordinary experience is merely > an illusion. The idea is seductive since it explains away the awkward > fact that our best physical theories of space and time have yet to > capture this passage. I urge that we should resist the idea. We know > what illusions are like and how to detect them. Passage exhibits no > sign of being an illusion....Following from the work of Einstein, > Minkowski and many more, physics has given a wonderfully powerful > conception of space and time. Relativity theory, in its most > perspicacious form, melds space and time together to form a four- > dimensional spacetime. The study of motion in space and and all other > processes that unfold in them merely reduce to the study of an odd > sort of geometry that prevails in spacetime. In many ways, time turns > out to be just like space. In this spacetime geometry, there are > differences between space and time. But a difference that somehow > captures the passage of time is not to be found. There is no passage > of time. There are temporal orderings. We can identify earlier and > later stages of temporal processes and everything in between. What we > cannot find is a passing of those stages that recapitulates the > presentation of the successive moments to our consciousness, all > centered on the one preferred moment of "now." At first, that seems > like an extraordinary lacuna. It is, it would seem, a failure of our > best physical theories of time to capture one of time's most important > properties. However the longer one works with the physics, the less > worrisome it becomes....I was, I confess, a happy and contented > believer that passage is an illusion. It did bother me a little that > we seemed to have no idea of just how the news of the moments of time > gets to be rationed to consciousness in such rigid doses.....Now > consider the passage of time. Is there a comparable reason in the > known physics of space and time to dismiss it as an illusion? I know > of none. The only stimulus is a negative one. We don't find passage in > our present theories and we would like to preserve the vanity that our > physical theories of time have captured all the important facts of > time. So we protect our vanity by the stratagem of dismissing passage > as an illusion." > > Pentcho Valev > pvalev(a)yahoo.com
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