Category Archives: physics

latest on killing copenhagen interpretation via fluid dynamics

⭐ ❗ 💡 😎 😮 ❤ hi all. bohr was transfixed by so-called "complementarity"; its said schroedingers cat is both alive and dead, and curiosity killed the cat. wikipedia states[n6]

In the Copenhagen interpretation of quantum mechanics, the wave function is the most complete description that can be given of a physical system.

but wait, if that is against inquiring deeper, isnt that nearly an anti-curiosity-investigation-research position/ pov? and isnt anti-curiosity-investigation-research nearly anti-science? 😮

copenhagen interpretation is sometimes referred to as the shut up and calculate ideology by questioners/ challengers/ critics in a statement originating with one of them, Mermin, an adept popsci writer and fan of Bells work. here is a famous quote that sounds like a near restatement of the copenhagen interpretation by Feynman:

Do not keep saying to yourself, if you can possibly avoid it, “But how can it be like that?” because you will get “down the drain”, into a blind alley from which nobody has yet escaped. Nobody knows how it can be like that.

I think I can safely say that nobody understands quantum mechanics.

now how about a somewhat radical quote/ response from Daniel Sank, Phd working for Google QM labs?

The other day someone from the WSJ asked me to explain why quantum mechanics is weird.

I went off on a rather well-reasoned and carefully articulated rant about how it’s not weird and that people only say that to sound cool.

I even went so far as to say that Feynman’s famous statement that {anyone who thinks they understand quantum mechanics is wrong} is destructive, stupid, and should not be repeated.

whoa, strong words there! however maybe somewhat unexpectedly, both somewhat agree/ disagree! yet, alas, somehow think DS is not really intending to challenge the copenhagen interpretation with his dramatic excoriation of feynman!* DS is also on the (chat) record as averse to/ strongly rejecting “alternative interpretations”. which to me is not really scientific, where to me conceptual evolution/ scientific progress inherently entails/ involves never stopping/ ceasing questioning how can it be like that?

oh, coincidentally right around writing all this, just ran into another striking quote by John Rennie a very high ranking member of physics stack exchange on the “1st Law,” with high ranking mod ACuriousMind immediately agreeing:

no physicist shall discuss interpretations of quantum mechanics or by inaction allow interpretations of quantum mechanics to be discussed.

lol and now this seems to reach/ degenerate to the absurd levels of Epimenides paradox when one asks the simple question, are Bohr/ Heisenberg, the founders of the Copenhagen interpretation, physicists? …so is this physics or fight club? 😮 o_O 🙄

* further search jujitsu by me, managed to turn up another striking quote by DS expressly rejecting Copenhagen interpretation… more strong words!

Listen to me very closely: I am a quantum computing professional and I think the Copenhagen interpretation is not even self-consistent and therefore entirely inadmissible as a theory of Nature.

and to finish on a different note, think this captures something relevant/ accurate/ typically unspoken “between the lines” by mod ACuriousMind, a sort of “non-interpretation” approach at least )( admitted openly/ candidly/ honestly:

Of those named, Copenhagen is the most popular, but my impression is that a significant number of people actually doing quantum physics every day share my personal disdain for all the squabbles around “interpretations”.

(so then, bottom line/ in conclusion… Copenhagen as that which shall not be named? aka scientific omerta, “code of silence”) 😳 😮 🙄

⭐ ⭐ ⭐

have been collecting physics links on a diverse set of topics that are not unified yet but think will someday be unified. the general area is now sometimes known as Pilot Wave Hydrodynamics (PWH) also aka/ known as “oil drop dynamics experiments”. the Bohmian pilot wave was speculated on for many decades, and soliton theory combined with new experimental findings has given rise to a new reality, science, and growing research area/ program/ paradigm! but it exists alongside in a tension right now with “standard” quantum mechanics.

the stage has been set! its two large plates shearing against each other. when will the inevitable top/ pivotal showdown/ confrontation/ conflict/ earthquake occur? think its just a matter of time! (admittedly 1 is far much smaller than the other right now, but relatively shortly, predict that will flip-flop.) my feeling/ estimate/ prediction is there is at least 1 nobel to be won in the next 5-10 yrs in this area, and several in store over several decades!* signifying/ corresponding with an imminent genuine physics paradigm shift/ revolution in the 21st century at least on the scale of QM in the 20th.

* 😳 o_O (note, however, some fineprint/ hedging/ reality check on this superficially bold-appearing claim! nobels are clearly not comprehensive/ thorough/ totally evenhanded, eg Einstein did not win one for relativity! also, they are often awarded up to decades after the date of the actual accomplishment! therefore to thoroughly invalidate the claim might take decades!)

would like to write a comprehensive survey based on several years of juicy links but thats a herculean task. even just collecting/ writing up the latest batch is a formidable task. these are some of the big highlights for me.

there are a lot of boundary-pushing experiments in qm lately.[a]

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qm computing summer 2017 update

hi all, seem to have reached a momentary lull in my own schedule and also the QM computing news that typically runneth over. maybe a moment of breath to clear out the queue. years ago it was cutting edge to talk about it but now it looks like a lot of the media is attuned and into covering the race[k] esp with inroads by big corporations (Google, IBM, Microsoft, Intel) into the area. Intel seems a relative newcomer but did finally show up on the radar.[a10]

can recall some of the earliest QM computing books came out around late 1990s eg 1997 or so, so now its been almost exactly 2 decades. here is a technology with immense promise but also immense engineering challenge.

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3rd black hole merger, gravitational waves, etc

❗ 💡 ⭐ hi all, the 3rd black hole merger capture by LIGO was announced within the last week. a huge deal![f] have been tracking this area. its a “ringing/ rippling” excitement in physics and cosmology, its like christmas and even conservative scientists are talking in profound terms. a new detector is going online soon in europe (named Virgo in Pisa, Italy)[f11] and there are predictions that up to about 1 event per day may be observable after all the machines are finetuned!

☯️ this all coincides with a lot of theoretical commotion at the same time. ofc as long observed here, experiment and theory are like yang+yin, each energeizes and contains elements of the other, so to speak. its well/ widely acknowledged that GR+QM unification is a/ the big/ key open question of physics and there are a lot of new ideas circulating, and anything to do with gravity is nearly by defn highly coupled with GR.[b] this also ties in with new theories about big bang/ expansion.[e] theres some big contention going on.

am esp interested in Verlindes ideas about gravity as an “emergent phenomenon” that possibly is a solution to the “dark matter” problem.[c] have been promoting this rough conceptual idea myself for many years and feel it ties in naturally with pilot wave hydrodynamics and soliton dynamics (latest big writeup on that only ~½ yr ago). in short, an image to ponder: a wave-particle seems to continuously emanate waves out to infinity. what effect do those have collectively? is there some emergent property there?

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universe as a simulation hypothesis, holographic principle, recent developments/ notes/ minisurvey

hi all. have blogged before here (admittedly, enthusiastically, even ebulliently) on the “digital physics” concept, an enamoring idea (for some!). recently within last few weeks and last year there seems to be substantial new interest and developments even in “semimainstream” physics, and now even the mainstream media is in a semi-lather over close topics. (skeptics will ofc argue the word “semimainstream” sounds something like “semipregnant”!) its hard to keep up! there are many different angles of povs, events, personalities, etc… this post attempts to collect and summarize some of this and bang it all into a semicoherent story (as much as such a thing is possible). some old but evocative buzz/ magic words thrown around about internet expansion into multiple industries come to mind: consolodation/ convergence…

to start, these ideas are now going under the headline of the “holographic universe/ principle”[a2] or “simulated universe/ hypothesis”[a1] concepts. they are interconnected in major and/ or subtle ways.

mentioned Aaronsons recent blog[i3] on subj citing Hossenfelder [i1][i2] in a recent near-throwaway comment in the SE physics chat room “hbar”[a5] to a new accomplished user BenNiehoff (phd KU Leuven working on string theory with 9 papers on arxiv!). hes met a lot of famous physicists at conferences personally eg Susskind, Zee, Green, Schwarz, and Witten and other famous theorists. am trying to recruit him for a guest session in our elite and popular series, but thats another story!

laid out some of the basic concepts/ “pros” of the simulation hypothesis ideas incl/ eg longtime endorsement/ driven pursuit by nobel prize alumnus ‘t Hooft, which thought were not generally very controversial, but the room denizens/ regulars reacted quite adversely-bordering-on-negatively, with some really stinging retorts! guess those big fat shiny nobel prizes and the proverbial “trip to stockholm” just aint what they used to be! Ben expressed his disinclination and looks like they all smelled blood in the water & went in for the kill! 😮 o_O 😦

Ah, as usual you have no actual argument to make, I should’ve known. —ACuriousMind [a6]

vzn; do you have any mainstream views? —John Rennie [a7]

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Veritasium launches soliton dynamics into 1M eternal viral living legend!

➡ 💡 ❗ ⭐ ⭐ ⭐ 😮 😎 a youtube blogger “Veritasium” specializing in physics has over 300M views collectively on his videos.[a3] he has a “Patreon” page where he earns about $2.5K per video. at nearly one per week, hes apparently making close to $150K per year off of his youtube videos from that revenue stream alone[a4]—talk about getting paid to do what you love aka “dream job”. he has his own wikipedia page.[a2] (which makes me wonder, is there anyone comparable out there doing CS type videos? this really eyepoppingly shows theres a market for this stuff…)

veritasium just covered the silicone oil droplet experiments of bush and the video is currently at over 1M views.[a1] so its a totally certifiably viral video (whatever that means, just made it up!). to get this kind of exposure for this obscure physics factoid/ phenomenon is utterly phenomenal. he does it in an introductory way yet includes very advanced info eg re copenhagen interpretation, DeBroglie-Bohm pilot wave theory etc. this will only increase the momentum of this particular research area. so am commemorating this momentous event/ achievement with the FIRST embedded video ever on this blog. hurry, click now!

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