Peter -- I read your article in the 3/2000 PERSPECTIVES with great
interest.
My phusics is now considerably out of date, since I left the field for
computers
in 1956 (!), so forgive me if my question is naive.
Your Figure 3 on page 11 shows the example of twin photons "knowing"
that "later" they will/will not encounter a polarization filter.
I do not understand "later." The photon moves at light speed, correct?
If so, time has no meaning for it -- there is no "later," both filters
are encountered simultaneously (again, from the photon's viewpoint).
If so, how can you defend your argument in the text where you
say (page 11): "How could the two twin photons know that behind the
semi-transparent mirror (this means later in time) a device is waiting ...
.?
Again, forgive me if this question is naive.
I am posting this email on the ASA LISTSERV also -- perhaps one of
my friends there can see my difficulty.
Thanks
John Burgeson, ASA member
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