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JoshuaZ comments on Open thread, Mar. 9 - Mar. 15, 2015 - Less Wrong Discussion

5 Post author: MrMind 09 March 2015 07:48AM

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Comment author: DataPacRat 09 March 2015 01:33:14PM 2 points [-]

Original Ideas

How often do you manage to assemble a few previous ideas in a way in which it is genuinely possible that nobody has assembled them before - that is, that you've had a truly original thought? When you do, how do you go about checking whether that's the case? Or does such a thing matter to you at all?

For example: last night, I briefly considered the 'Multiple Interacting Worlds' interpretation of quantum physics, in which it is postulated that there are a large number of universes, each of which has pure Newtonian physics internally, but whose interactions with near-identical universes cause what we observe as quantum phenomena. It's very similar to the 'Multiple Worlds' interpretation, except instead of new universes branching from old ones at every moment in an ever-spreading bush, all the branches branched out at the Big Bang. It occurred to me that while the 'large number' of universes is generally treated as being infinite, my limited understanding of the theory doesn't mean that that's necessarily the case. And if there are a finite number of parallel worlds interacting with our own, each of which is slightly different and only interacts for as long as the initial conditions haven't diverged too much... then, at some point in the future, the number of such universes interacting with ours will decrease, eventually to zero, thus reducing "quantum" effects until our universe operates under fully Newtonian principles. And looking backwards, this implies that "quantum" effects may have once been stronger when there were more universes that had not yet diverged from our own. All of which adds up to a mechanism by which certain universal constants will gradually change over the lifetime of the universe.

It's not everyday that I think of a brand-new eschatology to set alongside the Big Crunch, Big Freeze, and Big Rip.

And sure, until I dive into the world of physics to start figuring out which universal constants would change, and in which direction, it's not even worth calling the above a 'theory'; at best, it's technobabble that could be used as background for a science-fiction story. But as far as I can tell, it's /novel/ technobabble. Which is what inspired the initial paragraph of this post: do you do anything in particular with potentially truly original ideas?

Comment author: JoshuaZ 10 March 2015 02:26:08PM 0 points [-]

How would many interacting Newtonian worlds account for entanglement, EPR, and Bells inequality violations while preserving linearity? People have tried in the past to make classical or semi-classical explanations for quantum mechanics, but they've all failed at getting these to work right. Without actual math it is hard to say if your idea would work right or not, but I strongly suspect it would run into the same problems.

Comment author: DataPacRat 11 March 2015 02:29:31PM 0 points [-]

A year and a half ago, Frank Tipler (of the Omega Point) appeared on the podcast "Singularity 1 on 1", which can be heard at https://www.singularityweblog.com/frank-j-tipler-the-singularity-is-inevitable/ . While I put no measurable confidence in his assertions about science proving theology or the 'three singularities', a few interesting ideas do pop up in that interview. Stealing from one of the comments:

how modern physics (i.e., General Relativity, Quantum Mechanics, and the Standard Model of particle physics) are simply special cases of classical mechanics (i.e., Newtonian mechanics, particularly in its most powerful formulation of the Hamilton-Jacobi Equation), and how Quantum Mechanics is actually more deterministic than Newtonian mechanics.