"kenseto" <setoken@att.net> wrote in message
news:1555f877-73de-4cd1-86fb-e4802b18d394@googlegroups.com 
> On Saturday, September 15, 2012 12:49:05 PM UTC-4, Dirk Van de 
> moortel wrote: 
>> "paparios" <paparios@gmail.com> wrote in message
>> news:c640beb4-1d8a-4632-933e-a5b937bafc11@googlegroups.com
>>> On Saturday, September 15, 2012 10:21:35 AM UTC-4, Vilas Tamhane
>>> wrote:
>>>> On Saturday, September 15, 2012 6:39:38 AM UTC-7, paparios wrote:
>>>>> On Saturday, September 15, 2012 9:34:37 AM UTC-4, Vilas Tamhane

>>>> You are right Paparios, but you cannot deny that we can send a
>>>> pulse of light up to a mirror and get it reflected. So in your 
>>>> opinion, what happens?
>>> 
>>> Exactly what you wrote: The pulse of light, in the frame of the
>>> train, travels up to the mirror where it gets reflected back right to 
>>> the floor. In the frame of the embankment, the events are the same:
>>> the pulse of light is seen to go up to the mirror and then back to
>>> the floor. However, the embankment observer will also see that in
>>> the cycle up and down, the train has moved so the pulse of light path
>>> looks like a triangle. Since the speed of light is measured to be the
>>> same in both frames, time dilation follows as a direct consequence.
>> 
>> Just like jem said here a few days ago:
>> <quote>
>>    It's a real eye-opener to visit this newsgroup and see so many people 
>>    who've been literally driven insane by the phrase "the speed of light 
>>    is constant".
>> <unquote>
>>
>> Dirk Vdm
>> 
> No we are laughing at your use of light speed to define light
> speed......by redefine the meter length as follows: 
> 1 meter=1/299,792,458 light-second

Who is that imbecile who used 2 independent basic units of
measurements (length and time) to define one basic unit of 
measurement of length?
It is a gutter level physics.
Any way, a single postulate of constancy of c has opened flood
gates of irrational, idiotic and illogical stream of statements.
Even a school child, if rational and honest will say that if c is
absolute then it is different in different frames.
If it is frame dependent, then it is not absolute.