Article View: sci.physics.relativity
Article #6111Re: MICHEL JANSSEN EXPLAINS LENGTH CONTRACTION
From: HW Henri Wilson
Date: Thu, 15 Nov 2007 21:08
Date: Thu, 15 Nov 2007 21:08
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3930 bytes
On Tue, 13 Nov 2007 09:14:00 -0800, Pentcho Valev <pvalev@yahoo.com> wrote: >On Nov 13, 6:29 pm, Randy Poe <poespam-t...@yahoo.com> wrote: >> On Nov 13, 8:57 am, Pentcho Valev <pva...@yahoo.com> wrote: >> >> >http://www.ias.umn.edu/pdf/TimeandRelativity-Janssen.pdf >> > Michel Janssen: "Does Minkowski space-time, thus understood, explain >> > length contraction and the phenomena examined in this talk? Yes and >> > no. It explains them by showing they need no explanation." >> >> You forgot to add your usual misinterpretation to this. What >> do you think is the significance of that statement in light >> of his opening sentence? >> >> "I defend the widely held view challenged by Harvey Brown >> in his recent book that special relativity is preferable to those >> parts of Lorentz's electron theory it replaced because various >> phenomena that special relativity reveals to be of purely kinematical >> origin were given a dynamical explanation in Lorentz's theory." > >I have neither an interpretation nor a misinterpretation of length >contraction because length contraction is just an idiotic corollary of >Einstein's false light postulate. I am just trying to call the >attention to various aspects of the idiocy. For instance, I claim that >Harvey Brown CAN whereas Michel Janssen CANNOT explain how a long >train can be trapped inside a short tunnel: > >http://www.youtube.com/watch?v=VSRIyDfo_mY&mode=related&search= > >or a 80m long pole can be trapped inside a 40m long barn: > >http://www.math.ucr.edu/home/baez/physics/Relativity/SR/barn_pole.html >"These are the props. You own a barn, 40m long, with automatic doors >at either end, that can be opened and closed simultaneously by a >switch. You also have a pole, 80m long, which of course won't fit in >the barn....So, as the pole passes through the barn, there is an >instant when it is completely within the barn. At that instant, you >close both doors simultaneously, with your switch. Of course, you open >them again pretty quickly, but at least momentarily you had the >contracted pole shut up in your barn." > >But this does not mean that Harvey Brown's interpretation is less >idiotic than Michel Janssen's interpretation. > >Pentcho Valev There is no change in length of either the pole or the barn no matter how they move. The pole will never fit inside. Henri Wilson. ASTC,BSc,DSc(T) www.users.bigpond.com/hewn/index.htm
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X-Google-Thread: 10f545,f9b8bf94f16057cb X-Google-Thread: 10b271,f9b8bf94f16057cb X-Google-Thread: f74ae,f9b8bf94f16057cb X-Google-Thread: fa4c1,f9b8bf94f16057cb X-Google-Thread: 1139f8,f9b8bf94f16057cb X-Google-Attributes: gid10f545,gid10b271,gidf74ae,gidfa4c1,gid1139f8,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Path: arc1-ca.pugleaf.net!g2news1.google.com!news2.google.com!newsfeed2.dallas1.level3.net!news.level3.com!newsfeed-00.mathworks.com!lon-transit.news.telstra.net!pit-transit.telstra.net!lon-in.news.telstra.net!news.telstra.net!news-server.bigpond.net.au!53ab2750!not-for-mail From: HW@....(Dr. Henri Wilson) Newsgroups: sci.physics.relativity,sci.physics,sci.astro,fr.sci.physique,fr.sci.maths Subject: Re: MICHEL JANSSEN EXPLAINS LENGTH CONTRACTION Reply-To: HW@....... Message-ID: <68dpj31escvten5gfas004b2flftoe5u5q@4ax.com> References: <1194962248.817361.26210@v2g2000hsf.googlegroups.com> <1194971362.677910.180050@v65g2000hsc.googlegroups.com> <1194974040.818134.113890@50g2000hsm.googlegroups.com> X-Newsreader: Forte Free Agent 2.0/32.652 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Lines: 54 Date: Thu, 15 Nov 2007 21:08:34 GMT NNTP-Posting-Host: 58.168.45.80 X-Complaints-To: abuse@bigpond.net.au X-Trace: news-server.bigpond.net.au 1195160914 58.168.45.80 (Fri, 16 Nov 2007 08:08:34 EST) NNTP-Posting-Date: Fri, 16 Nov 2007 08:08:34 EST Organization: BigPond Internet Services