Re: Question about light clock and derivation of time dilation

Androcles a écrit :
"YBM" <ybmess@xxxxxxxx> wrote in message news:42d16eed$0$12778$636a15ce@xxxxxxxxxxxxxxx

Androcles a écrit :

Of course I haven't, there is no t = -1. 

As well as there is no word spelled "y e s
t e r d a y" in english ?


Go back to yesterday then, 

So there is or there is not a "yesterday" ?

How could you confuse the trivial fact of
talking about events taking place before
an arbitrary origin of a clock and traveling
to the past ? It is even worse than confusing
closing velocity and relative velocity (what you
do for years).

.

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