Darren New <dne### [at] sanrrcom> wrote:
> Warp wrote:
> > Darren New <dne### [at] sanrrcom> wrote:
> >> No. The "interference" is caused not by the particle, but by the slits.
> > 
> >   How does the photon know there was another slit nearby, and behave
> > differently if that was so?

> Nobody knows.

  But it seems that everybody knows that it does not happen by the photon
going through both slits?

  (After all, it would make sense: If there's no other slit to go through,
then it can't go through two slits, and thus its behavior is different than
if there was another slit and it went through both.)

  Or is this again that kind of almost-supernatural phenomena like the
photon somehow knowing that one year from now it will be measured which
slit it went through and thus it will already know to not to produce the
interference pattern?

-- 
                                                          - Warp

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