clipka wrote:
> Darren New schrieb:
>>> As for /arriving/ at the same time: Yes. As for being /sent/ at the 
>>> same time: No.
>>
>> If X and Y are very close together in space when the beam is sent, sure. 
> 
> Not even then. It would reduce the "simultaneity window" accordingly,

Well, sure. Epsilon and all that.


> And note that the other effects you want to 
> observe diminish with the scale of your experiment, too.

X and Y, not X and Z. :-)

> Note that the flashbulbs won't go off simultaneously with the 
> establishment of the contact: Electric signals, too, only propagate at 
> the speed of light (if not slower).

Certainly, modulo that stuff, yes. But if Z is light-days away, it's going 
to be close to simultaneous.  Unlike if, for example, X is light-days from 
Y, where it makes no sense to talk about "one event."

It's a thought experiment, see.

-- 
   Darren New, San Diego CA, USA (PST)
   Understanding the structure of the universe
    via religion is like understanding the
     structure of computers via Tron.

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