"Dork Van de merde" aka
"Dork Van de psychopath",
"Dork Van de psychotic fumble mumbler",
"Dork Van de fuckhead", 
"Dirk Van de moortel" <dirkvandemoortel@ThankS-NO-SperM.hotmail.com> wrote in
 message news:UD2wh.319356$m44.6214824@phobos.telenet-ops.be...
> 
> "Dumbledore_" <Headmaster@hogwarts.physics_q> wrote in 
> message news:hP1wh.193269$QY6.135332@fe1.news.blueyonder.co.uk...
> 
> [snip]
> 
>> Gisse's idea of sense:
>>
>> "But the ray moves relatively to the initial point of k, when measured
>>  in the stationary system, with the velocity c-v" ; "It follows, further,
>> that the velocity of light c cannot be altered by composition with a
>> velocity less than that of light." --Albert Einstein 1879 - 1955
> 
> By assumption, everyone measures a light ray to have velocity c
> with respect to himself.
> 
>    "But the ray moves relatively to the initial point of k, when measured
>    in the stationary system, with the velocity c-v"
> 
> The point k moves, as measured in the stationary system, with velocity v.
> The ray moves, as measured in the stationary system, with velocity c.
> So, as measured in the stationary system, the distance between the
> origin of k and the ray increases at a rate c-v.
> Another way to put it:
> As measured in the stationary system, the relative velocity between
> the origin of k and the ray is c-v.
> 
>    "It follows, further, that the velocity of light c cannot be altered by
>    composition with a velocity less than that of light."
> 
> Meaning that when the stationary system measures the ray to have
> velocity c and the origin of k to have velocity v, the origin of k does
> not measure the ray to have velocity v-c - because the origin of k
> measures the ray to have velocity c, by assumption.
> Another way to put it:
> As measured on the origin of k, the relative velocity between the
> origin of k and the ray is c.
> 
> This seems to make sense to most people on this planet.
> What is the problem?
> 
> Dirk Vdm

[anip]

  https://home.deds.nl/~dvdm/dirk/Physics/TwinsEvents.html
"We use 3 inertial reference frames" [because Dorks can't get the result 
they want in two]. 
 "In neither of these frames any form of acceleration is felt" [neither one of
 all three].
"In order for the travelling twin to make HIS trip, SHE must be in frame S'
while going away".
 "if T = 5 years and v = 0.8c, then the stay at home twin will have aged 
10 years".

Belgium is where the farts blow.

"Your conclusion is dead wrong.
Start over, but skip the first part and the conclusion." -- Dork Van de 
fuckhead. 

"You made a mistake" -- Dork Van de psychotic fumble mumbler.

ASSistant professor Paul B. Andersen, tusseladd:

"That is, we can reverse the directions of the frames
 which is the same as interchanging the frames,
 which - as I have told you a LOT of times,
 OBVIOUSLY will lead to the transform:
  t = (tau-xi*v/c^2)/sqrt(1-v^2/c^2)
  x = (xi - v*tau)/sqrt(1-v^2/c^2)
 or:
  tau = (t+xv/c^2)/sqrt(1-v^2/c^2)
  xi = (x + vt)/sqrt(1-v^2/c^2)"