tag:blogger.com,1999:blog-22973357.post8282031552365213482..comments2023-09-27T07:44:19.769-04:00Comments on Sabine Hossenfelder: Backreaction: The ordinary weirdness of quantum mechanicsSabine Hossenfelderhttp://www.blogger.com/profile/06151209308084588985noreply@blogger.comBlogger29125tag:blogger.com,1999:blog-22973357.post-73453774698217091152015-01-11T00:41:35.033-05:002015-01-11T00:41:35.033-05:00Concerning one aspect of quantum weirdness, "...Concerning one aspect of quantum weirdness, "spooky non-locality", I believe the problem even started from physicists themselves. It is most likely a mistake, or widely spread misunderstanding about the Bell's theorem. Or put it this way: what exactly do physicists mean the non-locality in terms of precise mathematical language? The fact is: <br /><br />(1) on one hand, in Bell'nobodyhttps://www.blogger.com/profile/01842210128390987211noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-30063887755752128482014-11-07T16:09:44.672-05:002014-11-07T16:09:44.672-05:00What's "weird" is experimental resul...What's "weird" is experimental results, which tell us nothing about what actually "is" -- only what we measure or observe. <br /><br />Our observations match models that are nonlocal and even nonrealistic. As long as experiments confirm those models we should stick with them ... not because they reflect "reality" but because, however weird some of their seeming nikmanhttps://www.blogger.com/profile/05053282843368805185noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-79517235046126052132014-09-05T14:29:38.893-04:002014-09-05T14:29:38.893-04:00Nice post with great information.Nice post with <a href="http://www.halloweengames14.com/best-games-ideas-kids-halloween-party/" rel="nofollow">great</a> information.Anonymoushttps://www.blogger.com/profile/09731142994186091672noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-23648435818804928772014-09-05T08:13:08.337-04:002014-09-05T08:13:08.337-04:00Today's Predigt.
Let us read the information ...Today's Predigt.<br /><br />Let us read the information gathered.<br /><br />(All bow heads)<br /><br /><br /><br />What preoccupies all of them?<br /><br />Map vs. Territory.<br /><br />Who broke this?<br />Who broke what?<br />The symmetry.<br /><br />hushhttps://www.blogger.com/profile/16176588791118304829noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-20162749480313488242014-09-05T07:21:09.544-04:002014-09-05T07:21:09.544-04:00Alice,
Twin excursion
Zwilling Ausflug
The ordi...Alice,<br /><br />Twin excursion <br />Zwilling Ausflug<br /><br />The ordinary weirdness of Moms.<br /><br /><br />When we, the twins, talk to some moms, we typically ask them first to tell us roughly what they already know. From their reply we can estimate what background they bring, and then we build on that until we notice we lose them. Maybe that’s not a good procedure, but it’s the best hushhttps://www.blogger.com/profile/16176588791118304829noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-29758132883271781102014-09-03T04:47:39.395-04:002014-09-03T04:47:39.395-04:00I looked up Raymond Laflamme's qubit as a perf...I looked up Raymond Laflamme's qubit as a perfect error correction code.<br />It has the right general formulas and clearly states the needed criteria as a generality, but is not radical enough to clear up what we intuit QM information can achieve in a gain as a mystery of computational power. Such methods may not eliminate the wierdness in relation to insulation and connectivities in L. Edgar Ottohttps://www.blogger.com/profile/00525169618204198073noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-30524189083014352342014-09-02T20:55:29.981-04:002014-09-02T20:55:29.981-04:00I like the Experiments that MarkusM had pointed ou...I like the Experiments that MarkusM had pointed out about Pilot Waves, which I believe is from before David Boehm. Pilot Waves have been published before as exceeding the Speed of Light. Another thing that troubles me is what L. EdgarOtto said refering to the Manifold idea as being Riemann 101, probably from Gauss, "The Nature of Curved Surfaces" (probably got the title wrong). But Anonymoushttps://www.blogger.com/profile/09067229290413382076noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-36043036282421303002014-09-02T16:11:28.514-04:002014-09-02T16:11:28.514-04:00Because, as has been stated, our intuition is base...Because, as has been stated, our intuition is based on our observation of the world around us which appears classical, some quantum effects stand out as weird. They just seem odd and different to our classical intuition maybe that's why science journalist report it that way. Also as stated it might be that's how the scientists interviewed might discuss some quantum effects. At least to Anonymoushttps://www.blogger.com/profile/09427796516109205835noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-74808699743604418722014-09-02T14:54:54.702-04:002014-09-02T14:54:54.702-04:00I believe the main "problem" is with the...I believe the main "problem" is with the analogies used to explain the technical terms to laypersons. The most common lay explanation of entanglement I have encountered uses the analogy of two perfectly anti-correlated coins to represent a singlet state. Separate the coins by millions of light-years and, prior to flipping one coin, the outcome of either coin toss is completely random - PonderSeekDiscoverhttps://www.blogger.com/profile/00913503952284529871noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-62209915062003973602014-09-02T07:41:45.679-04:002014-09-02T07:41:45.679-04:00JimV
perhaps you have the big picture, I mean what...JimV<br />perhaps you have the big picture, I mean what if after all the time and work it cannot be found yet in academia? History may be the best part of the story to tell things.<br /><br />Plato Hegel,<br />good remarks, it makes me think that the wormhole-information thing is the myth now of our time both in the sci fi and the science.<br />As Arun asks a thing and its description distinct? L. Edgar Ottohttps://www.blogger.com/profile/00525169618204198073noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-17728336845026247372014-09-01T22:04:12.834-04:002014-09-01T22:04:12.834-04:00I find most popular science books which aren't...I find most popular science books which aren't just histories frustrating because they don't contain enough math or examples or definitions to pin down for me what they are talking about. Perhaps they still serve a useful function of inspiring younger readers to study in that field, but I don't have the time or energy to take more academic courses at this point. So my understanding ofJimVhttps://www.blogger.com/profile/10198704789965278981noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-43575543369680082632014-09-01T21:08:19.925-04:002014-09-01T21:08:19.925-04:00Well, to put it bluntly, what I find weirdest in Q...Well, to put it bluntly, what I find weirdest in QM is how quantum mechanists can end up fighting GR in the name of information conservation over lifetimes of black holes <i>despite</i> the signature involvement of randomness in the lowliest quantum measurement. <br /><br />To me they have succumbed to witchcraft. Or maybe it is that I am mistaken about something: would random events actually <i>Boris Borcichttps://www.blogger.com/profile/05869004550299424489noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-65935015736893275232014-09-01T12:31:18.031-04:002014-09-01T12:31:18.031-04:00Such debates are interesting but unending!! People...Such debates are interesting but unending!! People have to understand once for all that our intuition, our non-mathematical languages and conventional logic are based on our everyday experiences, which are classical. The book of universe is most likely written using a different logic. Although many of the readers may not agree, I would also include concepts of divinity in the realm, which is kashyap vasavadahttps://www.blogger.com/profile/10732897306667764590noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-53002762970197469492014-09-01T11:21:20.392-04:002014-09-01T11:21:20.392-04:00For a child like Einstein in his youth the wonderm...For a child like Einstein in his youth the wonderment is to identify the forces that given a compass needle, and the impetus for such a thing to shape the future? We often hear of stories like this as we see the result, a scientist who have come a long way. So it may be like a mystery that grabs their attention, and then, becomes a paradigmatic device for the shaping of the individual in the PlatoHagelhttps://www.blogger.com/profile/00849253658526056393noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-23693477146625196942014-09-01T11:10:45.177-04:002014-09-01T11:10:45.177-04:00Does quantum mechanics firmly establish that a thi...Does quantum mechanics firmly establish that a thing and its description are distinct?<br /><br />Corollary: mathematics (some of it) describes our universe, but is not our universe.<br /><br />Corollary: a simulation of a thing is distinguishable from the real thing.<br /><br />Arunhttps://www.blogger.com/profile/03451666670728177970noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-76436270583934113272014-09-01T10:46:40.719-04:002014-09-01T10:46:40.719-04:00Eventually, Wheeler discarded “everything is geome...<i>Eventually, Wheeler discarded “everything is geometry” in favor of an ostensibly deeper idea: “everything is information.” It would be a fitting vindication of Wheeler’s vision if everything in the universe, including wormholes, is made of quantum correlations.<br /><br />*Update: Commenter JM reminded me to mention Brian Swingle’s beautiful 2009 paper, which preceded Van Raamsdonk’s and PlatoHagelhttps://www.blogger.com/profile/00849253658526056393noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-5223040900116661542014-09-01T10:39:32.630-04:002014-09-01T10:39:32.630-04:00"The whole experiment would fit snugly in a c...<i>"The whole experiment would fit snugly in a child’s bedroom, and as I looked at the table, I refrained from asking my first instinctual questions. “This is it? This is where you tested realism?” I already knew how unfair these questions were. It had taken a few months of tests, and almost two years for Zeilinger’s group to understand how this experiment tests realism. Before that, it had PlatoHagelhttps://www.blogger.com/profile/00849253658526056393noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-33154303525495249662014-09-01T10:20:38.029-04:002014-09-01T10:20:38.029-04:00What in the frontiers draws us, pushes us, as if t...What in the frontiers draws us, pushes us, as if the West Wind, intermittent up to chaos, my Zephir?<br /><br />Why is it that being charmed by strangeness is enough? That beauty feels a measure of the truth? So struggle between sides turns the other's points upside down, top or bottom. Nature at some blank card state with indefinite inertia back to the black and white boards beginnings and L. Edgar Ottohttps://www.blogger.com/profile/00525169618204198073noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-64716977864165952952014-09-01T08:55:32.205-04:002014-09-01T08:55:32.205-04:00The definition of "weirdness" can vary f...The definition of "weirdness" can vary from labeling of every non-repeatable phenomena to labeling of all phenomena, which still don't have intersubjectively accepted logical explanation, analogy the less. From perspective of formal mainstream physics everything is "weird", because the mainstream physicists have no such an explanation for most of fundamental phenomena, Zephirhttps://www.blogger.com/profile/06010623752049244967noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-52513899481879302822014-09-01T08:47:39.072-04:002014-09-01T08:47:39.072-04:00Quantum mechanics isn't weird, but a straightf...Quantum mechanics isn't weird, but a straightforward consequence of the observation of vacuum with its own ripples. In AWT it's an analogy of the observation of water surface with its own waves. At large scale (where the influence of underwater can be neglected) it does lead into special relativity and general relativity phenomena. At short scales it does lead into quantum mechanics Zephirhttps://www.blogger.com/profile/06010623752049244967noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-46964448798131516472014-09-01T06:54:00.539-04:002014-09-01T06:54:00.539-04:00Markus:
Depends on how you define the word. There...Markus:<br /><br />Depends on how you define the word. There's like 6 different definitions of it. And, see, this is one of the points that you don't get across when you just talk about weird or strange. Best,<br /><br />B.Sabine Hossenfelderhttps://www.blogger.com/profile/06151209308084588985noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-74663197201621912902014-09-01T06:08:42.357-04:002014-09-01T06:08:42.357-04:00This comment has been removed by the author.MarkusMhttps://www.blogger.com/profile/03431499396962852389noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-43789207591501971072014-09-01T02:46:07.083-04:002014-09-01T02:46:07.083-04:00Giotis,
I agree up to the point that you say they...Giotis,<br /><br />I agree up to the point that you say they don't care. It's not that they don't care but that in the end it all comes down to money, and to how fucked up our economic system is. I have elaborated on that elsewhere, how we're not taking into account long-term benefits properly etc (the FQXi essay pokes on the same problem). However, I think that it's currentlySabine Hossenfelderhttps://www.blogger.com/profile/06151209308084588985noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-9279941324624868412014-08-31T23:39:17.229-04:002014-08-31T23:39:17.229-04:00Neat comment Uncle AI
Bee's remark in the ess...Neat comment Uncle AI<br /><br />Bee's remark in the essay comes to mind as to if time dilation is any weirder. So wherefore this depth of weirdness? Eddington felt his ideas were no more bizarre than Dirac's so did not understand why his not more accepted.<br />Between Jung and Freud we have Adler which seems closer to todays explanation of society and perceptions.<br />At best we can L. Edgar Ottohttps://www.blogger.com/profile/00525169618204198073noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-11858466167127088122014-08-31T17:06:16.306-04:002014-08-31T17:06:16.306-04:00This comment has been removed by the author.Uncle Alhttps://www.blogger.com/profile/05056804084187606211noreply@blogger.com