Darren New <dne### [at] sanrrcom> wrote:
> Mike Raiford wrote:
> > We can't prove there is something outside our own
> > universe because it's beyond what we can observe about our own universe.
>
> There's a fair amount of sci-fi that does just this sort of thing. I
> wouldn't say it's logically impossible to prove there's something outside
> our own universe.
>
> See, for example, Greg Egan's "Permutation City", or Robert Sawyer's
> "Calculating God".  And of course if something from outside simply modified
> the simulation to tell us of its existence...

Exactly the footnote to Carl Sagan's "Contact" - the novel, at least.

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