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Article #6111

Re: MICHEL JANSSEN EXPLAINS LENGTH CONTRACTION

#6111
From: HW Henri Wilson
Date: Thu, 15 Nov 2007 21:08
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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)

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From: HW@....(Dr. Henri Wilson)
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Subject: Re: MICHEL JANSSEN EXPLAINS LENGTH CONTRACTION
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