[identity profile] underlankers.livejournal.com posting in [community profile] talkpolitics
http://www.sciencealert.com/a-cosmologist-says-he-s-found-possible-signs-of-a-parallel-universe

^So, evidently, there actually is some measurable means to prove alternate universes to our own actually exist. Depending on which interpretation of the many-worlds theory holds correct, this could be a discovery that'd not only scientifically invalidate the need for any deities at all (in one sense), but it would obliterate free will as we know it. If this holds true and the quantum theory of the multiverse is correct, any individual action spawns a chain of associated parallel universes. And these universes in turn are infinite, with potentially infinite little 'switches' of the laws of physics, which in turn due to the definition of infinite means in some parts of the multiverse there actually are sufficiently advanced aliens that for all practical purposes really would be Gods.

If such contact would be fully proven, there might presumably be means found to explore other dimensions, which would leave superpowers and visible tangible aliens as the only science fiction concepts yet to fully turn to science fact (and there goes yet another fiction genre killed by exposure to mundane boring reality).

So if these other dimensions really can be proven to exist and can be contacted, what would the ramifications of such a discovery actually be? I've given my POV above (Kills free will and God, in the strict senses of both, kills more Sci-fi stories, potential real life invoking Eldritch abominations that flay and eat souls by not being careful enough). Politically, if means to discover and contact other universes existed, I'd expect that the ramifications would be, well, explosive. You'd see a whole new kind of arms race and you'd also see riots by religious believers refusing to accept such technology and denouncing all such contacts as the work of demons.

I'd also expect the technology to be highly expensive and if the fate of the Space Shuttle is any guide the potentially disastrous consequences of failures might lead people to shelve such things if they existed. 

(no subject)

Date: 16/3/16 18:52 (UTC)
From: [identity profile] mahnmut.livejournal.com
I know what some religious folks would say. If a God is capable of creating one Universe, they (it?) should also be capable of creating a Multiverse. And there we go on and on into circles.

(no subject)

Date: 16/3/16 18:53 (UTC)
From: [identity profile] abomvubuso.livejournal.com
Not necessarily infinite. Susskind's Cosmic Landscape concept includes 10^500 parallel universes. Which is a huge number really, but still finite.

(no subject)

Date: 16/3/16 19:03 (UTC)
From: [identity profile] abomvubuso.livejournal.com
Why would free will be rendered null and void? You're still free to make whatever decisions you like. You're just creating different realities, each of them branching off in accordance with your particular choice.

(no subject)

Date: 16/3/16 19:13 (UTC)
From: [identity profile] abomvubuso.livejournal.com
Or it could be that you just freely choose which of these multiple universes you're going to populate from now on, have you thought of it that way? ;)

(no subject)

Date: 16/3/16 19:35 (UTC)
From: [identity profile] htpcl.livejournal.com
If there's a network of streets in your city, and you decide to take a certain route to reach a certain address of your choosing, is that free will, or is it a predetermined pattern? Does the following of certain rules of movement (like: follow the streets, do not drive across parks and sidewalks) constitute predermination, or is it just a set of rules (like the rules of physics) that you're employing as you go?

(no subject)

Date: 16/3/16 19:07 (UTC)
From: [identity profile] dexeron.livejournal.com
"At this stage, it's just a hypothesis."

At this stage, it isn't even that. There's nothing to test, nothing to falsify. It's a guess that something that looks weird might be something else for which there has been, up until this point, absolutely no evidence.

That said, perhaps there are alternate universes. Keep in mind that the existence of alternate universes does not necessarily imply a "Many-Worlds Hypothesis" model (with all of the "every choice happens in every possible way in a different universe" branching implied.) There are other possible reasons that a so-called multiverse might exist beyond the "branching" model.

And even if "branching" does exist, it doesn't mean everything imaginable must exist (or that there are infinite universes.) There are an ever increasing amount of them, yes, and we can treat that as infinite for numerical purposes, but it's just a very large, every increasing number. ;) And what is possible there is merely variations on what is possible here in the quantum realm. Remember, Schrodinger's Cat was meant as an example to debunk multiverse theory, not as an example of it. Multiverse theory says nothing about results at the macro level, only that at the quantum level each change is reflected in another universe by its opposite. What effect this may, or may not have, on the macro world is impossible to imagine.

So while planets made of ice cream might be wonderful to imagine, they are not very likely to exist in some alternate universe. ;)

(no subject)

Date: 16/3/16 19:19 (UTC)
From: [identity profile] ddstory.livejournal.com
Yes, that's what too many people fail to understand: a hypothesis is not considered scientific until it can come up with falsifiable, testable forecasts. That's been the problem with string theory for decades (string theory itself having a lot to do with these extra dimensions): its maths seems elegant and it beautifully and somehow too conveniently explains a number of phenomena - but it still can't come up with ways to be tested. There isn't one forecast that it has come up with for all those years, and still hundreds of scientists build a career upon it. That failure could be due to the problem of scales and the ineptitude of our current level of technology which hasn't reached a level sufficiently advanced to test phenomena at such scales... Or it could be that the entire premise, while being mathematically elegant, is a big stinking pile of dung after all... No one can say at this point, and probably never will.

Which doesn't mean we should stop digging, though.

(no subject)

Date: 16/3/16 19:08 (UTC)
From: [identity profile] luzribeiro.livejournal.com
This is philosophy. Not politics*. I'd recommend [livejournal.com profile] philosophy, [livejournal.com profile] ask_me_anything or [livejournal.com profile] thequestionclub if you want a concise and topical answer.

(Unless you could somehow make it at least tangentially related to politics, that is. Then maybe we could talk).

[ * not even science per se, by the way - since science usually works with tangible, testable predictions]

(no subject)

Date: 16/3/16 19:12 (UTC)
From: [identity profile] htpcl.livejournal.com
While the assertions of "found proof" of possible neighboring universes have always been fascinating whenever they've popped up (and believe me, of those there've been plenty), it's one thing to make a supposition like, "This could be proof for my theory", and it's quite another to make actual specific models that are able to formulate a set of predictions that could then be put to the test. You know, like Einstein did. He was pretty specific.

The problem with the multiverse thing is that by definition it's impossible for two separate universes to get into contact with each other and communicate (i.e. transfer information). If they could, they wouldn't be two separate universes, just two very remote regions of the same universe.

Not sure how any of this is political either, but at least it's good mind gymnastics.

(no subject)

Date: 16/3/16 19:27 (UTC)
From: [identity profile] htpcl.livejournal.com
Methinks ye doth watch too much teevee, lad.

(no subject)

Date: 16/3/16 19:43 (UTC)
From: [identity profile] htpcl.livejournal.com
Not sure how this is controversial science, either. (Now that we've established that it isn't necessarily even science).

(no subject)

Date: 16/3/16 20:03 (UTC)
From: [identity profile] htpcl.livejournal.com
If you've read, watched or listened to anything about string theory, by string theorists, etc, you'd have learned by now that those guys are anything BUT sensationalistic. Most of them are just boring nerds. 'Cept for Brian Greene maybe.

(no subject)

Date: 16/3/16 19:40 (UTC)
From: [identity profile] ddstory.livejournal.com
assertions of "found proof"

The Great Attractor / Dark Flow is a case in point that comes to mind.

Well, technically it was called "a candidate for an explanation", not "proof" outright, but still. It seems cosmologists and astrophysicists have developed a proneness to attribute every large-scale weird phenomenon that they've observed lately with "possible candidates for Multiverse evidence". Come on guys, that's getting a bit lazy at this point.
Edited Date: 16/3/16 19:41 (UTC)

(no subject)

Date: 16/3/16 20:06 (UTC)
From: [identity profile] ddstory.livejournal.com
Here we go again, the umpteenth case of someone failing to make a distinction between unsupported claim and a high degree of confidence (http://www.physics.org/article-questions.asp?id=103), thus completely missing the whole point of the scientific method.

I don't even...

Whatever.

(no subject)

Date: 16/3/16 20:09 (UTC)
From: [identity profile] luzribeiro.livejournal.com
I'm guessing you've had to hit your head against a brick wall like this over a hundred times already. It does get tiring at some point, doesn't it?

(no subject)

Date: 16/3/16 20:11 (UTC)
From: [identity profile] ddstory.livejournal.com
It's past the point of being tiring. Pitiable is the term you might be looking for.

(no subject)

Date: 16/3/16 20:15 (UTC)
From: [identity profile] abomvubuso.livejournal.com
You're not being serious, right? Please say you aren't.

(no subject)

Date: 16/3/16 20:46 (UTC)
From: [identity profile] abomvubuso.livejournal.com
I guessed so. ;)

Stupid is the most entertaining, by the way. Especially when it's skillfully played.

(no subject)

Date: 16/3/16 20:17 (UTC)
From: [identity profile] htpcl.livejournal.com
What.

Oh...

LOL, a nice one!

(no subject)

Date: 16/3/16 21:36 (UTC)
From: [identity profile] htpcl.livejournal.com
We all have our bad moments (some more often than others).

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