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I'd have hoped to witness that kind of thing though, maybe another version of ourselves. I believe everything is just energy, we'll end up witnessing it I guess, but in another form, but this is another type of debate, which is at the intersection of both philosophy and science :D

Kind of sad, isn't it? It at least makes for a sense of place in the universe to have a prediction, even that far out, into the fate of our civilization. How many world's have came before us?

End philosophical rant :-P

Good question. I don't know the answer, as everyone ;)