Stupid Questions Open Thread Round 4

lukeprog

This is for anyone in the LessWrong community who has made at least some effort to read the sequences and follow along, but is still confused on some point, and is perhaps feeling a bit embarrassed. Here, newbies and not-so-newbies are free to ask very basic but still relevant questions with the understanding that the answers are probably somewhere in the sequences. Similarly, LessWrong tends to presume a rather high threshold for understanding science and technology. Relevant questions in those areas are welcome as well. Anyone who chooses to respond should respectfully guide the questioner to a helpful resource, and questioners should be appropriately grateful. Good faith should be presumed on both sides, unless and until it is shown to be absent. If a questioner is not sure whether a question is relevant, ask it, and also ask if it's relevant.

Ask away!

Previously: round 1, round 2, round 3

From the original thread:

This is for anyone in the LessWrong community who has made at least some effort to read the sequences and follow along, but is still confused on some point, and is perhaps feeling a bit embarrassed. Here, newbies and not-so-newbies are free to ask very basic but still relevant questions with the understanding that the answers are probably somewhere in the sequences. Similarly, LessWrong tends to presume a rather high threshold for understanding science and technology. Relevant questions in those areas are welcome as well. Anyone who chooses to respond should respectfully guide the questioner to a helpful resource, and questioners should be appropriately grateful. Good faith should be presumed on both sides, unless and until it is shown to be absent. If a questioner is not sure whether a question is relevant, ask it, and also ask if it's relevant.

Ask away!

As far as I understand, there is still no satisfactory theory that would include both quantum mechanics and general relativity (i.e. the possibility for spacetime not to be same).

I would expect that in unified theory spacetime structure would be a part of the state undergoing quantum superposition.

there is still no satisfactory theory that would include both quantum mechanics and general relativity

That's true. I was wondering what the standard claim that "MWI is just decoherence" has to say about the spacetime. Does it also decohere into multiple outcomes? If so, how? Does it require quantum gravity to understand? In this case "just decoherence" is not a valid claim.

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Stupid Questions Open Thread Round 4

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Stupid Questions Open Thread Round 4

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