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by rantwasp 2232 days ago
right. it's more like copy-on-write than a completely different replica. also, the probability of the outcomes is not the same (ie some worlds may be more equal/present than others).

it's questionable if it's one world or a split happens and we have multiple worlds. I would lean toward one world with phenomena that we don't really understand.
1 comments
doubleunplussed 2232 days ago
The main thing that's wrong is that we have no reason to believe the fundamental constants change.

Regular quantum mechanics is compatible with the many-worlds interpretation (of course it is), but talk of fundamental constants changing would require new theories that we don't have (not to mention evidence of those theories). That would be something incompatible with quantum mechanics as we know it, within which the fundamental constants are, well, constant.

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rantwasp 2232 days ago
just because those constants are incompatible with our current understanding does not mean it's not possible, even if only on a theoretical level.
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