Article View: sci.physics.relativity
Article #5373Re: SCIENCE WITHOUT NEWTON EMISSION THEORY OF LIGHT
From: Pentcho Valev
Date: Tue, 11 Mar 2008 12:05
Date: Tue, 11 Mar 2008 12:05
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7277 bytes
http://www.lewrockwell.com/orig6/ingdahl2.html "But there has been a marked global decrease of students willing to study physics, and funding has decreased accordingly. Not only that, the best students are not heading for studies in physics, finding other fields more appealing, and science teachers to schools are getting scarcer in supply. In fact, warning voices are being heard about the spread of a "scientific illiteracy" where many living in technologically advanced societies lack the knowledge and the ability for critical thinking in order to function in their daily environment." http://www.guardian.co.uk/science/2005/nov/22/schools.g2 "We are nearing the end of the "World Year of Physics", otherwise known as Einstein Year, as it is the centenary of his annus mirabilis in which he made three incredible breakthroughs, including special relativity. In fact, it was 100 years ago yesterday that he published the most famous equation in the history of physics: E=mc2. But instead of celebrating, physicists are in mourning after a report showed a dramatic decline in the number of pupils studying physics at school. The number taking A-level physics has dropped by 38% over the past 15 years, a catastrophic meltdown that is set to continue over the next few years. The report warns that a shortage of physics teachers and a lack of interest from pupils could mean the end of physics in state schools. Thereafter, physics would be restricted to only those students who could afford to go to posh schools. Britain was the home of Isaac Newton, Michael Faraday and Paul Dirac, and Brits made world- class contributions to understanding gravity, quantum physics and electromagnetism - and yet the British physicist is now facing extinction. But so what? Physicists are not as cuddly as pandas, so who cares if we disappear?" http://www.amazon.com/Relativity-Its-Roots-Banesh-Hoffmann/dp/0486406768 "Relativity and Its Roots" by Banesh Hoffmann, Chapter 5. (I do not have the text in English so I am giving it in French) Banesh Hoffmann, "La relativite, histoire d'une grande idee", Pour la Science, Paris, 1999, p. 112: "De plus, si l'on admet que la lumiere est constituee de particules, comme Einstein l'avait suggere dans son premier article, 13 semaines plus tot, le second principe parait absurde: une pierre jetee d'un train qui roule tres vite fait bien plus de degats que si on la jette d'un train a l'arret. Or, d'apres Einstein, la vitesse d'une certaine particule ne serait pas independante du mouvement du corps qui l'emet! Si nous considerons que la lumiere est composee de particules qui obeissent aux lois de Newton, ces particules se conformeront a la relativite newtonienne. Dans ce cas, il n'est pas necessaire de recourir a la contraction des longueurs, au temps local ou a la transformation de Lorentz pour expliquer l'echec de l'experience de Michelson-Morley. Einstein, comme nous l'avons vu, resista cependant a la tentation d'expliquer ces echecs a l'aide des idees newtoniennes, simples et familieres. Il introduisit son second postulat, plus ou moins evident lorsqu'on pensait en termes d'ondes dans l'ether." Translation from French: "Moreover, if one admits that light consists of particles, as Einstein had suggested in his first paper, 13 weeks earlier, the second principle seems absurd: a stone thrown from a fast- moving train causes much more damage than one thrown from a train at rest. Now, according to Einstein, the speed of a particle would not be independent of the state of motion of the emitting body! If we consider light as composed of particles that obey Newton's laws, those particles would conform to Newtonian relativity. In this case, it is not necessary to resort to length contration, local time and Lorentz transformations in explaining the negative result of the Michelson- Morley experiment. Einstein however, as we have seen, resisted the temptation to explain the negative result in terms of Newton's ideas, simple and familiar. He introduced his second postulate, more or less evident as one thinks in terms of waves in aether." http://ustl1.univ-lille1.fr/culture/publication/lna/detail/lna40/pgs/4_5.pdf Jean Eisenstaedt: "Il n'y a alors aucune raison théorique à ce que la vitesse de la lumière ne dépende pas de la vitesse de sa source ainsi que de celle de l'observateur terrestre ; plus clairement encore, il n'y a pas de raison, dans le cadre de la logique des Principia de Newton, pour que la lumière se comporte autrement - quant à sa trajectoire - qu'une particule matérielle. Il n'y a pas non plus de raison pour que la lumière ne soit pas sensible à la gravitation. Bref, pourquoi ne pas appliquer à la lumière toute la théorie newtonienne ? C'est en fait ce que font plusieurs astronomes, opticiens, philosophes de la nature à la fin du XVIIIème siècle. Les résultats sont étonnants... et aujourd'hui nouveaux." Translation from French: "Therefore there is no theoretical reason why the speed of light should not depend on the speed of the source and the speed of the terrestrial observer as well; even more clearly, there is no reason, in the framework of the logic of Newton's Principia, why light should behave, as far as its trajectory is concerned, differently from a material particle. Neither is there any reason why light should not be sensible to gravitation. Briefly, why don't we apply the whole Newtonian theory to light? In fact, that is what many astronomers, opticians, philosophers of nature did by the end of 18th century. The results are surprising....and new nowadays." Pentcho Valev pvalev@yahoo.com
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X-Google-Thread: 10f545,78d8fe8bb0940176 X-Google-Thread: 10b271,78d8fe8bb0940176 X-Google-Thread: fa4c1,78d8fe8bb0940176 X-Google-Thread: 1139f8,78d8fe8bb0940176 X-Google-Thread: f55d3,78d8fe8bb0940176 X-Google-Attributes: gid10f545,gid10b271,gidfa4c1,gid1139f8,gidf55d3,public,usenet X-Google-Language: ENGLISH,ASCII Path: arc1-ca.pugleaf.net!g2news1.google.com!postnews.google.com!u72g2000hsf.googlegroups.com!not-for-mail From: Pentcho Valev <pvalev@yahoo.com> Newsgroups: sci.physics.relativity,sci.physics,fr.sci.physique,fr.sci.maths,fr.sci.philo Subject: Re: SCIENCE WITHOUT NEWTON EMISSION THEORY OF LIGHT Date: Tue, 11 Mar 2008 05:05:50 -0700 (PDT) Organization: http://groups.google.com Lines: 94 Message-ID: <069b184d-1d91-4a2e-9c18-91d42ff6b506@u72g2000hsf.googlegroups.com> References: <4edccf2f-7927-4a1c-94d0-1cde1d0390d9@m34g2000hsc.googlegroups.com> NNTP-Posting-Host: 85.91.141.166 Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: posting.google.com 1205237150 14598 127.0.0.1 (11 Mar 2008 12:05:50 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Tue, 11 Mar 2008 12:05:50 +0000 (UTC) Complaints-To: groups-abuse@google.com Injection-Info: u72g2000hsf.googlegroups.com; posting-host=85.91.141.166; posting-account=Lz-LbgoAAABPDavKeW-eYeobwLHD_cvQ User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30),gzip(gfe),gzip(gfe)