[ExI] Many Worlds

[Mike Dougherty]

On Jan 8, 2008 9:00 PM, Ian Goddard <iamgoddard at yahoo.com> wrote:
>  How does MWI explain Wheeler's delayed-choice
> experiment? It's importantly unique:
>
>    "Where the classic [ double slit ] experiment
>    demonstrates that physicists' observations
>    determine the behavior of a photon in the
>    present, Wheeler's version shows that our
>    observations in the present can affect how
>    a photon behaved in the past." [*]
>
> It's important to understand that experiment, as that
> difference makes a big difference. The description of
> it starts toward the bottom of page 1 here:
>
> [*] http://discovermagazine.com/2002/jun/featuniverse

Why is this example considered 'credible science' with respect to a
single photon, but "precognition" is immediately dismissed?  Oh right,
delayed-choice experiment is a more tenable name

> resemble the former. By means of this general habitual
> principle, we regard even one experiment as the
> foundation of [empirical] reasoning, and expect a
> similar event with some degree of certainty."