Article View: sci.physics.relativity
Article #6568Re: gravitational bending of light, surprising?
From: Y.Porat
Date: Thu, 21 May 2009 14:46
Date: Thu, 21 May 2009 14:46
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6494 bytes
On May 21, 3:30 pm, PD <TheDraperFam...@gmail.com> wrote: > On May 20, 8:52 pm, "Y.Porat" <y.y.po...@gmail.com> wrote: > > > > > On May 19, 7:22 pm, PD <TheDraperFam...@gmail.com> wrote: > > > > On May 19, 12:05 pm, Pentcho Valev <pva...@yahoo.com> wrote: > > > > > Then the clever teacher should explain: "Brothers Einsteinans, > > > > Einstein's 1911 calculation based on Newton's emission theory of light > > > > was wrong/correct and inconsistent/consistent with the gravitational > > > > redshift factor 1+V/c^2, Einstein's 1916 calculation was correct/wrong > > > > and consistent/inconsistent with the gravitational redshift factor 1+V/ > > > > c^2, but in any case the speed of light in a gravitational field is > > > > VARIABLE. So those who teach you that the speed of light in a > > > > gravitational field is constant are by no means clever teachers." > > > > You know, Pentcho, at some point you should take responsibility for > > > your own confusion -- and CORRECT it -- rather than pinning the blame > > > on teachers for your confusion. It's really not a big deal. It happens > > > to students every day that they misunderstand something that their > > > teacher said, and you don't find them spending their lifetimes > > > expressing their outrage at their teachers for their misunderstanding. > > > > PD > > > ------------------------ > > what is misunderstanding by knowing that > > the photon has mass > > from say the formulas E=hf > > and therefore bends next to the sun > > Because Newtonian physics DOES predict that *qualitatively*, just like > you do. But, as has been pointed out to you repeatedly, *qualitative* > is not enough. The Newtonian prediction is *quantitatively* wrong. > Which is enough to say that it is just plain wrong, even > *qualitatively*. > > > > > may be it is the misunderstanding of > > parrot teachers that waist the precious > > human resources by THEIR misunderstandings ??? > > what is the misunderstanding by un derstanding that the photon is > > a limit case OF A MASS > > that moves at c ??? > > > and people why misunderstand > > and consider themselves as understanding > > all physics > > and then blaming others for misunderstandings !! > > that is inmany cases much wrong than misunderstanding > > that is > > **dishonesty **!!! > > > Y.Porat > > ----------------------------- > > > ----------------- and i indicate dto youmany times that: the photon is an exception case *a limit case*** an exception case must be treated specifically and has some changes from the extrapolation technique: (and i have to mention you as well that any physics formula has 8its limits of validation)) so the exception case need at our case to be calculated specifucally to that case it is to be fitted to the experimental data (and dont you be shocked from my claim of fitting formulas to data because **that is what GR did as well ** now thejob of fitting the results to Newton and light data ias not as 'traomatic' or disturbing as you see it because it is you youself that admitted that **qualitatively* it fits the dtata the additional fitting that is needed is only **quantitatively ** (not a colplete different approach physically) 2 the big advantage of douin gmu ssuggestion is THAT IT DOES NOT NEED TO INVENT NEW REVOLUTIONARY (NOT TO SAY FANTASTIC ) NEW LAWS OF PHYSICS it fits the basics (ideplogic) of the 'old physics) and that is IMHO a great advantage 3 as far as i heard the difference between the 'Newtonian calculation and GR calculation is quantitatively about 2 times magnitude that is not a fantastic difference provided as i said the need to invent new lawas of physics is a much worse situation !! 4 such thing will fit waht we know from anotrher experinetal formula E=hf of which it comes that the photon energy has mass and in that case we avoid anothe 'need' to invent a new kind of mass - 'relativistic mass' so Mr PD i consider you a rational physicist just consider all the above and try to **get out of the box **! if many people like you will join that understanding-- we can open a new era of advance !!! (just being able to calculate physics phenonena **is not good enough** for advance we must try and understand better and closer to the *real cuases *of that phenomenon btw i dont have to remind you that i agree with SR !!! ATB Y.Porat ---------------------- in advance of physics
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X-Google-Thread: d820f4ac3c,781ee9e876b3dd65 X-Google-Attributes: gidd820f4ac3c,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII Path: arc1-ca.pugleaf.net!g2news2.google.com!postnews.google.com!n19g2000vba.googlegroups.com!not-for-mail From: "Y.Porat" <y.y.porat@gmail.com> Newsgroups: sci.physics.relativity,sci.physics,fr.sci.physique,sci.astro,alt.philosophy Subject: Re: gravitational bending of light, surprising? Date: Thu, 21 May 2009 07:46:22 -0700 (PDT) Organization: http://groups.google.com Lines: 136 Message-ID: <21481373-fc24-498d-a548-af893faf30ea@n19g2000vba.googlegroups.com> References: <a7b0e74b-9bf4-4efb-8fce-eeb63f7421eb@g31g2000pra.googlegroups.com> <gu1l24$g$2@skeeter.ucdavis.edu> <8t4905pgpb95f0cakr67a4cvmijpo2jbpa@4ax.com> <gucu8l$5b5$1@skeeter.ucdavis.edu> <bm1m05pvboo6qsbi09f9neldil94pq8gd4@4ax.com> <guhhas$jpj$1@skeeter.ucdavis.edu> <537957a8-0667-4a3e-995d-e0e8f0fa20db@o20g2000vbh.googlegroups.com> <gus2t0$jim$2@skeeter.ucdavis.edu> <ab222092-4927-45ec-8083-5d75b3aa6754@e20g2000vbc.googlegroups.com> <704af1cc-6f99-4478-ab24-a893f228650d@m24g2000vbp.googlegroups.com> <661ff6af-528e-42f6-a88d-0a852e514264@q2g2000vbr.googlegroups.com> <138587d8-909c-4c08-852c-d4324896e04d@t21g2000yqi.googlegroups.com> NNTP-Posting-Host: 217.132.187.13 Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: posting.google.com 1242917183 4590 127.0.0.1 (21 May 2009 14:46:23 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Thu, 21 May 2009 14:46:23 +0000 (UTC) Complaints-To: groups-abuse@google.com Injection-Info: n19g2000vba.googlegroups.com; posting-host=217.132.187.13; posting-account=5GUrzQkAAADun29oaK3p_W_saUVxxHUF User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.0.10) Gecko/2009042316 Firefox/3.0.10,gzip(gfe),gzip(gfe)