nanog mailing list archives

Re: BGP list of phishing sites?


From: David Barak <thegameiam () yahoo com>
Date: Tue, 29 Jun 2004 19:40:07 -0700 (PDT)


--- Iljitsch van Beijnum <iljitsch () muada com> wrote:

The principle has been analogized to describe
larger
systems and items, and is a useful but not always
completely accurate metaphor.  It is entirely
possible
to observe some things without affecting them.

Is it? If I want to look at you, I must bounce
photons off of you. 
Similar stuff needs to happen for other types of
observation. This may 
not have a very large effect on you, but there is
_some_ effect.

for some value of _some_, right?  ;)

I agree that there is an affect, but not necessarily
due to the observation itself: consider a webcam. 
Whether I am observing you in the camera is not
dependent on my interacting with you per se: the
photons were already on their way from you to the
lens.  You could argue that those photons cause a
change, but I would respond that the photons would
have caused that change regardless of whether they are
measured.  

Perhaps some beer and philosophy at the October
meeting?




=====
David Barak
-fully RFC 1925 compliant-


                
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