Record Quantum Computation at D-Wave: Millions of Years Down To Seconds

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  • čas přidán 25. 08. 2024
  • Learn more about Quantum Physics with Brilliant. Use our link ➜ brilliant.org/... to get the first 30 days for free.
    The quantum computing company D-Wave has reported that they’ve managed to complete a calculation that would have taken a conventional computer millions of years in fractions of a second. How did they achieve this impressive feat? What’s behind the scepticism over D-Wave’s machine? Let’s find out.
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Komentáře • 886

  • @metalpsalm
    @metalpsalm Před 5 měsíci +756

    All kinds of stuff takes my laptop millions of years.

    • @ThatOpalGuy
      @ThatOpalGuy Před 5 měsíci +24

      it still cannot brew a decent cup of coffee.

    • @zoookx
      @zoookx Před 5 měsíci

      ROFL

    • @metalpsalm
      @metalpsalm Před 5 měsíci +7

      I heart you too, Sabine! ❤️

    • @tosendeelemente8948
      @tosendeelemente8948 Před 5 měsíci +5

      School Laptops after trying to open word: millions of years to come while my screen goas white and my user red

    • @johnwang9914
      @johnwang9914 Před 5 měsíci +12

      And surprisingly, there are actually algorithms that your conventional Von Neuman laptop can do (or it's vectored processing GPU) that we simply haven't found a way to use a quantum effect we know of do. Most problems simply can't be done by a quantum computer at all yet. IBM is trying to push the envelope on a general purpose quantum computer but really a quantum computer as adaptable as our current computers are still not even on the horizon...
      This announcement is just that they figured out how to use a quantum effect to perform a certain type of calculation that would take conventional computers a very long time to do and just shows that we don't have a general purpose quantum computer yet.

  • @Yellowboxable
    @Yellowboxable Před 5 měsíci +253

    The spoon calculating its electron configuration as a “one trick” was hilarious and genius. Loved this video 🫠

    • @2019inuyasha
      @2019inuyasha Před 5 měsíci +8

      Then we make a series of magnets levitating a spoon as a quantum simulator. 😆

    • @georgkrahl56
      @georgkrahl56 Před 5 měsíci +9

      It's actually the daily work of chemists. If they want the data of a so far not existing molecule, they synthesize it. It will then solve the exact Schrödinger equation in a couple of picoseconds. Then you can read out the result by NMR or so. The example of the spoon was just a tiny bit hyperbolic.

    • @jameslynch8738
      @jameslynch8738 Před 5 měsíci +2

      It knows what it isn't, perhaps. 🤔

    • @tedjohansen1634
      @tedjohansen1634 Před 5 měsíci +5

      And it even does it in it's resting state!

    • @jameslynch8738
      @jameslynch8738 Před 5 měsíci +1

      @@tedjohansen1634 It is on the other side of the equals (=) sign.

  • @jeffryborror4883
    @jeffryborror4883 Před 5 měsíci +257

    Nice reference to Neo's "There is no spoon"
    D-Wave has a history of making such claims that they have done a computation that would take conventional computers excessive time, some of which have been subsequently debunked by example. In their early days, Scott Aaronson was skeptical. I hope he takes notice of their latest.and weighs in.

    • @SabineHossenfelder
      @SabineHossenfelder  Před 5 měsíci +76

      Yes, that's right. Then again, you know, I don't think they're doing this on purpose. And I guess we'll see about this one...

    • @carlbrenninkmeijer8925
      @carlbrenninkmeijer8925 Před 5 měsíci +12

      Do you mean that they are bending the spoon??

    • @ProPandaPlays
      @ProPandaPlays Před 5 měsíci +2

      Hey 2 minutes ago woot lol @@SabineHossenfelder

    • @iyziejane
      @iyziejane Před 5 měsíci +25

      The funny thing about Scott and the other theorists who criticized D-Wave, is that they all got on the NISQ hype bandwagon when the field became lush with money. D-Wave pioneered the model of quantum overhype and then Google, IBM, etc picked up the torch around 2018. "oh but these are gate model machines, at least it can run Shor's algorithm one day!" (assuming a decades worth of developments that are not working yet). They criticized D-Waves baby steps and then turned around to expect applause for Google's baby steps.

    • @ShonMardani
      @ShonMardani Před 5 měsíci

      They can not make any claim unless they have a mouthpiece in their science gang.
      How the magnet and qube and quantum are computing?

  • @MikeWiest
    @MikeWiest Před 5 měsíci +55

    If people are saying the Ising Model is a specific case that may not be relevant for real world computing, please note that the Ising Model is the basis of the Hopfield model which is a model of neural storage of associative memories in neuroscience. Quantum versions are predicted to have MUCH higher memory capacity than the classical version which only has capacity linear in the number of neural units (magnets).

    • @ZeusEBoy
      @ZeusEBoy Před 5 měsíci +4

      Exactly again that idea of specialized purpose for memory. It’s why our brain separates cortexes based on function and purpose. Or why we keep multiple drives to separate our work on a computer. Essentially using a more organized memory structure to use memory space as optimally efficiently as possible. Also why we store memories that are associated in physical neuron proximity. Helps them fire off of each other

    • @dougaltolan3017
      @dougaltolan3017 Před 5 měsíci +9

      Neuroscience is still in the quackery stage, barely beyond lobotomy, just finer resolution.

    • @SurfinScientist
      @SurfinScientist Před 5 měsíci +8

      Actually, associative memories modeled after the Hopfield model have a capacity that scales less than linear in the number of units: O(N/log(N)), where N is the number of units, to be exact.

    • @MikeWiest
      @MikeWiest Před 5 měsíci +2

      @@SurfinScientist Ah, even worse--thank you!

    • @erdekesnem7767
      @erdekesnem7767 Před 4 měsíci +1

      Solving the Ising model is an NP-complete problem. By definition, every NP-complete problem can be mapped to each other, so solving one solves every other. This is why it so relevant.

  • @AMan-xz7tx
    @AMan-xz7tx Před 5 měsíci +4

    TL;DR version:
    D-Wave's quantum computer (which has been criticized by some in the scientific community for working more like a "quantum simulator" due to its low programability compared to IBM or Google's devices) solved magnetic systems of scales previously unsolvable/extremely time-consuming (an entire epoch, in fact) by conventional computing, they did this to prove that their device works for quantum computation involving quantum simulation and that this is a huge leap forward for their devices

  • @fumblerooskie
    @fumblerooskie Před 5 měsíci +23

    I've been waiting a long time for a cogent D-Wave analysis. Thank you.

  • @jcortese3300
    @jcortese3300 Před 5 měsíci +69

    4:15 -- Awwwwww, Albert has a spoon, too!

    • @alieninmybeverage
      @alieninmybeverage Před 5 měsíci +7

      Good catch 😂

    • @ricsouza5011
      @ricsouza5011 Před 5 měsíci +3

      there is no spoon

    • @zyeborm
      @zyeborm Před 5 měsíci

      ​@@ricsouza5011Albert lives in a deterministic universe. There either is or is not a spoon.😊

  • @macronencer
    @macronencer Před 5 měsíci +20

    Even in conventional computing, annealing is a very interesting and cool way to solve problems. I've used simulated annealing myself, to optimise patterns in steganographic art. It's actually a lot of fun!

  • @Richardincancale
    @Richardincancale Před 5 měsíci +47

    It’s also been found that growing slime moulds can solve travelling salesperson type problems as an alternative to simulated annealing in digital computers. But it’s much harder to raise venture capital funds to grow slime moulds, and also much less sexy for clients to look at than all the quantum plumbing. [edit: This was meant to be irony, focused on the fund raising activities of quantum startups. But evidently irony isn’t everyone’s cup of possums juice]

    • @TheGigaflop
      @TheGigaflop Před 5 měsíci +14

      Except slime molds solve the problem by simultaneously traveling through all paths and then start optimizing the most successful paths. It's not really a novel solution that classical computers can't perform. The problem is that it doesn't scale well. Which is why it's a problem in the first place.

    • @obsidianjane4413
      @obsidianjane4413 Před 5 měsíci +5

      @@TheGigaflop Slime mold probably has a better sense of humor than you though.

    • @51monw
      @51monw Před 5 měsíci +4

      Yes, but have you seen slime mould gender stuff, I suspect the "more than two sexes" puts right wing investors off.

    • @dougaltolan3017
      @dougaltolan3017 Před 5 měsíci +1

      ​@@obsidianjane4413it (they?) might have a better sense of humour, but it's (thier?) heckling sucks.

    • @TheGigaflop
      @TheGigaflop Před 5 měsíci +2

      @@obsidianjane4413 Fair enough, just figured on a video about quantum processing, a little clarification about slime mold computation might be appreciated for those that don't know.

  • @shadeblackwolf1508
    @shadeblackwolf1508 Před 5 měsíci +38

    In classical computing, there is the analog computation, where for example a dial is twisted by one process and the machine spits out a result elsewhere after electrical signals have been manipulated. Not too different from the truly classical manual computer, where someone did calculations by hand, say, looking up as precise as possible a value on a graph. Because of these two historic parallels, i'm inclined to actually call this a calculation.

    • @user-sl6gn1ss8p
      @user-sl6gn1ss8p Před 5 měsíci +3

      Yeah, I don't really know a lot about what they're doing, but sounds to me like a "non-general purpose" analog computer

    • @maciejzettt
      @maciejzettt Před 5 měsíci +1

      I agree but from another perspective: it takes numerical input (be it a configuration of qubits) and gives a numerical output, so it's a calculation. Simulation can also be, and often uses a lot of, calculations.

    • @shadeblackwolf1508
      @shadeblackwolf1508 Před 5 měsíci

      @@user-sl6gn1ss8p That is exactly what it seems to be, and truth be told, that can be extremely powerful given a question worth building such a system for

    • @EaglePicking
      @EaglePicking Před 5 měsíci +2

      @@user-sl6gn1ss8pQuantum computing does not have to be general purpose in order to be disruptive.
      If you and I could make a quantum SHA reverse solver that can almost instantly defeat SHA and can only do that, that alone would make us billionaires.
      A device that instantly finds high primes would be another example of a non-general-purpose, yet very disruptive technology that could be achieved this way.

    • @NullHand
      @NullHand Před 5 měsíci +3

      I think this is mostly just semantics.
      If it takes an input and produces useful and non-trivial output it is a computation.
      I think this is in the same class of computation as the DNA "computer" which can perform very NP search and mapping problems by "annealing" millions or billions of macromolecules in parallel at molecular speed.
      If the Everett interpretation is correct, this is pretty much how "Qbits" do it, just faster and parallelized over a chunk of a multiverse.
      Are both of these devices computers?
      Not if you definition of computer requires a Turing complete machine.

  • @Garcwyn
    @Garcwyn Před 5 měsíci +16

    Millions of years in a normal computer. Trillions of years in a DELL

  • @johnkeck
    @johnkeck Před 5 měsíci +74

    Elegant, clear explanation of how D-wave devices aren’t quite “computers”!

    • @michaelmoorrees3585
      @michaelmoorrees3585 Před 5 měsíci +11

      The definition of "computer" is an example of the imprecision of human languages. Computer was once a job description, of a person (usually a woman) who ran hundreds, to thousands, of math calculation during her work day. When applied to devices, it covered mechanical, and electronic analog computers, before being applied to digital computers. Some with the calculations "hard set" in their design. Others reconfigurable, or programmable.
      I've used analog computers back in college, which is "programmed" by wiring up a circuit. I've also made a living programming microcontrollers, which are "hard coded" most of the time to specific functions. Even though some (the old HC05) have the von Neumann architecture (most are Harvard), will you exclude them as computers, when their app is hard coded ? Language gets political, like that !

    • @cyko5950
      @cyko5950 Před 5 měsíci +1

      maybe its more of an asic than a computer

    • @dougaltolan3017
      @dougaltolan3017 Před 5 měsíci

      ​@@michaelmoorrees3585hard coded on a von neumann architecture is an oxymoron. Unless you are going to try the semantic dance of RAM vs ROM. A rather brief and futile exercise.
      The contemporary definition of computer is only sullied by early squabbles (across the pond) of who had the first one (that was Manchester).
      It's been a while, but I came to the conclusion that quantum machines cannot execute code...
      A requirement for a processor is to have NOT and AND (or gates to the equivalent). Quantum machines cannot do this. They cannot implement the recursive solution of Towers of Hanoi.
      What quantum machines *can* do is resolve. The "programming" is then just working out how to model a system in qbit terms.

    • @another3997
      @another3997 Před 5 měsíci +3

      Define a "computer". Your definition may not be the same as other people's, even if you were to consult a well respected dictionary or textbook. As someone pointed out, once upon a time "computer" was a job description for humans. It's a very imprecise term.

    • @johnkeck
      @johnkeck Před 5 měsíci

      @michaelmoorrees3585 @@another3997 maybe you think you're disagreeing with me? There's a reason I put the word in scare quotation marks. The video is referring to how the word has come to be commonly used these days, which, as you note, isn't the "one true definition."

  • @mattruda3782
    @mattruda3782 Před 5 měsíci +5

    I wish I had one of these D-Wave things in grad school. "Millions of years" is what my Ph.D. felt like.

  • @jttcosmos
    @jttcosmos Před 5 měsíci +26

    My understanding of the discussion surrounding D-Wave being / not being a quantum computer has been that it is not so much the simulation vs computation part, but that the way they implemented the system. While a “proper” adiabatic QC tries to avoid an excited state, the D-Wave annealers happily leave the ground state and essentially rely on quantum tunnelling to bring them back down. Hence the debate whether a transition from QC -> non-QC -> QC is realistic. To date, none of the studies have shown that the D-Wave systems have a true quantum advantage, so will be interesting to see what the effect of this new one will be (at least after peer reviewed).

    • @SabineHossenfelder
      @SabineHossenfelder  Před 5 měsíci +20

      Yes, you are right that the quantum advantage has been questioned. But think of the spoon. The spoon also has a "quantum advantage". It's just not the sort of advantage that people usually discuss in terms of operations needed etc. I have little doubt that if you have a large quantum system like D-wave it will be faster than a conventional computer at *something* -- they just have to find that something. (And then there's the question whether that will be useful for anything, but that's a question you can also ask about the present-day universal quantum computers...)

    • @alpyre
      @alpyre Před 5 měsíci +1

      @@SabineHossenfelder Isn't this "spoon" reference true for all quantum computers?

    • @SurfinScientist
      @SurfinScientist Před 5 měsíci

      @@SabineHossenfelder The "classical" quantum computers that can run Shor's algorithm are also good at something, namely running Shor's algorithm. They are as universal as D-Wave's quantum computer is. So much for one-trick ponies.

    • @BederikStorm
      @BederikStorm Před 5 měsíci

      ​@@SurfinScientistand now Shor's algorithm was improved and can be done faster

  • @AVADAMS1967
    @AVADAMS1967 Před 5 měsíci +33

    "There is no spoon." LOL

    • @car103d
      @car103d Před 5 měsíci +2

      “You are the spoon!”

    • @Lund.J
      @Lund.J Před 5 měsíci +2

      There is no "self" in a quantum computer.
      It is still an automaton.
      You are the "self".

    • @Ellirius
      @Ellirius Před 5 měsíci

      "Hero gets spell book, all spells and 999 current spell points" Heroes 3😂

    • @anthonydentice8180
      @anthonydentice8180 Před 5 měsíci

      Try to understand the ..truth 😮

    • @Lund.J
      @Lund.J Před 5 měsíci +1

      "Do. Or do not. There is no try." (Yoda)

  • @floretionguru2977
    @floretionguru2977 Před 5 měsíci +3

    I'm glad you mentioned the spoon. Before you said it, I was thinking of "10 pebbles in your hand" where you throw them in a box and observe the exact positions down to 15 decimal places and thought "no quantum computer will ever be able to beat its accuracy in calculating/simulating the result of a throw"

  • @howtoappearincompletely9739
    @howtoappearincompletely9739 Před 5 měsíci +6

    Great video, both for humour and clarity of explanation. Thank you, Dr Hossenfelder.

  • @protocol6
    @protocol6 Před 5 měsíci +3

    Optimization problems, the kind that D-Wave's approach solves, are some of the most common needs for high performance computing and get used for many things. Nobody has yet proven there is even a quantum advantage for any other useful algorithm. So far, it's basically Shor's algorithm which, outside of academia, is mainly of interest to thieves and national intelligence agencies and I expect both are behind the funding for many of those projects. Given that, I'd say D-Wave's strategy is currently the only real quantum computing. Google can compute arbitrary algorithms on their platform but most, if not all, will be no faster than their classical counterpart and far less efficient.

  • @georgesmyrnis1742
    @georgesmyrnis1742 Před 5 měsíci +134

    So D-wave is designing the world’s first analog quantum computers…

    • @vulpritprooze
      @vulpritprooze Před 5 měsíci +12

      what if this is the real path rn and universal quantum computers are 100 years ahead technology 😢

    • @christian123542
      @christian123542 Před 5 měsíci

      @@vulpritproozewhat if apples fall from the sky are do not grow on trees?

    • @ShonMardani
      @ShonMardani Před 5 měsíci

      How the magnet and qube and quantum are computing?

    • @rextech-q
      @rextech-q Před 5 měsíci +7

      It's definitely not the first. Quantum simulators (such as via ultracold atoms) have been around for a while

    • @Nathan-vt1jz
      @Nathan-vt1jz Před 5 měsíci

      I think the combination of analog computers with digital is going to be the most powerful option in the near term. Eventually combining digital, analog, and quantum might be feasible - maybe in a few hundred years?

  • @MrVohveli
    @MrVohveli Před 5 měsíci +4

    You know, I'm something of a Spoon myself.

  • @TheDoctorFlay
    @TheDoctorFlay Před 5 měsíci +8

    And now we see the dawn of quantum spoon physics.
    The spoon does exist but only when being used.

  • @MattMcT
    @MattMcT Před 5 měsíci +4

    I like the humor and references you’ve worked into this one :) thank you as always for your work and insights 🎉

    • @frankman2
      @frankman2 Před 5 měsíci

      It's always interesting to see a german doing real humor. (who's writing the scripts?)

    • @SomeoneExchangeable
      @SomeoneExchangeable Před 5 měsíci

      @@frankman2The residents of Berlin would like to have a word. But you might not understand the word.

  • @gersonl
    @gersonl Před 5 měsíci +6

    After a teacher or someone says "I'll come back to that later" I'm waiting for that the entire time, and I cannot focus/concentrate on the things the teacher "wants to say first".

  • @thebooksthelibrarian8530
    @thebooksthelibrarian8530 Před 5 měsíci +1

    Been doing Sabine's quantum lessons on Brilliant. That realmy helps to clear up some details.

  • @EviLPlayeR04
    @EviLPlayeR04 Před 5 měsíci +3

    Amazing video yet again! Thank you for sharing purposeful information Sabine💪🏻

  • @edwarddodge7937
    @edwarddodge7937 Před 5 měsíci +3

    Thanks for looking into this. Quantum “computing” news is heavy on the basic physics side and almost non-existent on the computing side.

  • @taliastocks
    @taliastocks Před 5 měsíci +2

    I feel like it would make sense to call this an analog computer, similar to other types of analog computers where you create a circuit that obeys the same equations as the system you're trying to predict.

  • @juancasanova8434
    @juancasanova8434 Před 5 měsíci +5

    Objection. You say "you can't verify the solution because we don't have any computer that solves it".
    But... the Ising model is (according to Wikipedia, I wasn't aware of it before, but I trust it on this) equivalent to an NP-complete problem. NP-complete problems are well known for being hard to solve but very easy to check a claimed solution. This is one of their core features. A solution to an NP-complete problem is very easy to check by a simple computer. The difficulty is in coming up with it to begin with. So if the Ising model can be translated into an NP-complete problem, then just take the problem they solved, translate it, translate their claimed solution, then have a checker verify it.
    I didn't know about the Ising model and I know very little about the D-Wave quantum computer beyond what you say here, but as a computer scientist who knows about theoretical computer science, this claim that "because a problem is difficult to solve, it's difficult to check the solution" is outright wrong (and kinda basic in complexity theory), and I think it's wrong in this particular case too.
    Could you clarify??

    • @geordierose3242
      @geordierose3242 Před 5 měsíci

      NP Hard not NP Complete

    • @juancasanova8434
      @juancasanova8434 Před 5 měsíci

      @@geordierose3242 irrelevant. Np complete means it's both np hard and np itself. According to Wikipedia, Ising problem without external fields is np complete, and therefore NP, and therefore solutions should be verifiable on polynomial time by a classical computer.

    • @geordierose3242
      @geordierose3242 Před 5 měsíci

      No. NP Hard problems are optimization problems that return real numbers. NP Complete problems are decision problems (yes/no). The former can't be checked (you don't know if you've got a global optimum) but the latter can.

    • @juancasanova8434
      @juancasanova8434 Před 5 měsíci

      @@geordierose3242 I'm sorry but that's just not the definition of what NP hard means. See en.m.wikipedia.org/wiki/NP-hardness
      Now regardless of the name, you're right that is you're trying to find an optimal solution then it can both be harder and more importantly harder to verify. I do get a bit lost with the complexity properties of verifying optimality, but given how it's phrased in the video, and especially the argument "we can't check the solution because we can't find the solution" is just very misleading and potentially incorrect in the context of complexity theory. Maybe in this case it is because checking optimality of the solution is inherently tricky, but it should have been said with more care. And your definition of np hard is just wrong.

  • @eonasjohn
    @eonasjohn Před 5 měsíci +6

    Thank you for the video.

  • @MrIanspeed
    @MrIanspeed Před 5 měsíci +2

    Spoons aren't real, now I know why my Cheerios end up all down my shirt!!

  • @kwlxxi4813
    @kwlxxi4813 Před 5 měsíci +4

    4:15 LMAO! 🤣 "which I totally coincidentally..."

    • @jimmyzhao2673
      @jimmyzhao2673 Před 5 měsíci +1

      Is the big spoon entangled with Albert's little spoon ?

  • @Georgggg
    @Georgggg Před měsícem +1

    😂 Spoon analogy is at point!
    They just built physical model of exact process and measure results.
    Don't need quantum things to achieve "billions years worth of simulation" - we already have many lab simulators with sensors.

  • @thingsiplay
    @thingsiplay Před 5 měsíci +4

    Sabine: "They say..."
    Me: Okay, Sabine is not convinced yet. :D

  • @firstlast-ty4di
    @firstlast-ty4di Před 5 měsíci +1

    The spoon analogy is not so silly. In the 1960s finite element methods were just beginning to be used in continuum mechanics (stress/strain analysis). Those methods were found to have limitations, as they still do today - especially in vibration analysis. Experimental stress analysis comes to the rescue. Basically, you build a device and test it. If you want to know how a spoon works, it's easiest to just make one.

  • @eddiejennings5262
    @eddiejennings5262 Před 3 měsíci

    Thank you Sabine for making this presentation.

  • @SamplePerspectiveImporta-hq3ip
    @SamplePerspectiveImporta-hq3ip Před 5 měsíci +2

    Quantum annealing also may have serious AI applications. Model training is an optimization problem, which is exactly what these machines are good at.

  • @AnthonyLauder
    @AnthonyLauder Před 5 měsíci +1

    "one trick spoons" - that had me crying with laughter

  • @leematthews6812
    @leematthews6812 Před 5 měsíci +2

    Cool. Hopefully I can use this in future to align my chakras, man.

  • @richardw2977
    @richardw2977 Před 5 měsíci +1

    It seems funny to me that some people do not think of a specialist machine as a computer. I can't imagine anyone saying that the machines onboard the Apollo rockets we're not computers - yet they could not do general computations of, for example, bookkeeping. Nor could they have played chess because they were hardwired to handle the specific calculations needed fr the mission.

  • @justincase5272
    @justincase5272 Před 5 měsíci +1

    If it accepts input and arrives at a correct answer, even a correct estimation, then it is, by definition, a computer.

  • @MCsCreations
    @MCsCreations Před 5 měsíci +1

    Fascinating stuff indeed. Thanks, Sabine! 😊
    Stay safe there with your family! 🖖😊

  • @user-uj9cc5ch5p
    @user-uj9cc5ch5p Před 5 měsíci +1

    Very insightful Sabine. Mr. X

  • @JustPassingThrough404
    @JustPassingThrough404 Před 5 měsíci

    As ever fascinating. Of course the only bit I really understood was the spoon but I’m so grateful for Sabine taking me places like this. She’s great.

  • @007ITZA
    @007ITZA Před 5 měsíci +1

    Seems you have more voice inflection in your presentation now Sabine, and more hand gestures / animation also.
    Nice job

  • @finlayfraser9952
    @finlayfraser9952 Před 5 měsíci +1

    Hello Sabine, I do my best to follow your channel, but often get lost in the labyrinth. Imagine yourself as a teacher of a class of 7/8 year olds, and me at the back sticking my hand up and asking, "Ms Hossenfelder, Ms Hossenfelder, it is not how that concerns me the most, but it is WHY?"

  • @colinhiggs70
    @colinhiggs70 Před 5 měsíci +1

    Maybe something like "quantum simulators" would be a good differentiating name for these things?

  • @marcinha1973
    @marcinha1973 Před 5 měsíci +3

    You really like that blouse. Looks great on you.

  • @Vatsek
    @Vatsek Před 5 měsíci +2

    Sabine, your spoon landed on my desk. You can pick it up between now and the year 10^100.

  • @BenjaminGoose
    @BenjaminGoose Před 5 měsíci +1

    Thanks to you I checked out Brilliant and quite enjoyed it. Getting up to the end of the trial period though and I see that it's €100 a year, that's insane! There are so many good free resources already that I can't justify such a spend. I wouldn't mind if I could pay monthly for that but the monthly cost is something like the equivalent of $25 which is far too much.

  • @WrightvWrong
    @WrightvWrong Před 5 měsíci +1

    lol... You beat me to it with a Spoon joke 😎👍

  • @kayakMike1000
    @kayakMike1000 Před 5 měsíci +1

    Its exciting. I think looking at the preprints is cool because we can help peer review. Or at least learn stuff on the bleeding edge.

  • @e4d578
    @e4d578 Před 5 měsíci

    Legit, glad you brought up that it wasnt peer reviewed. Not that this isnt a real finding but it shows that you're a real scientist.

  • @waynearnold1072
    @waynearnold1072 Před 5 měsíci

    Please, Explain time.
    Why do we say time passes slower or faster depending on your location and/or movement within the universe? Could it be it's just the measurement of time is different?
    Scenario:
    Calculate a future spot in earth's movement through the solar system and pinpoint it. Now pick three spots within the universe to observe the earth's movement until it reaches the calculated spot.
    Observation location 1 is NIST laboratory in Boulder Colorado.
    Observation location 2 is our moon.
    Observation location 3 is an orbit around the sun at near light speed.
    Now have all 3 observation locations start recording the passing of time at exactly the same time. All three observation loctions would stop the time recording when the earth landed on it's previously calculated spot.
    Would it be illogical to say, the physical amount of time passed for each observation location would be the same? Could it be that the recording device used to record the passing of time showed differently, but the physical amount of time would be the same for all 3 observation locations? Does it seem reasonable that what we need is a way to record time with a device that can account for its location and movement within the universe, so that the recording of time passing is equal on all accounts?
    The earth will move through the solar system and reach its calculated spot in the future in its due time. It won't be early and it won't be late. It will be right on time according to the calculation. Why would we say the passing of time is different for the 3 observation locations?

  • @no.one.2
    @no.one.2 Před 5 měsíci +2

    How do you crank out so many good videos so often? Sorcery.

    • @Thomas-gk42
      @Thomas-gk42 Před 5 měsíci +1

      She´s very busy, but she works them out with a little team.

  • @Techmagus76
    @Techmagus76 Před 5 měsíci +1

    In the paper at conclusions they claim: "We simulated square, cubic, diamond, and biclique topologies that are relevant to applications in materials science and AI, and are amenable to scaling analysis through the area law of entanglement and universal quantum critical scaling. More challenging and irregular topologies-for example those corresponding to deep neural networks".
    So if real world application exists and their results are applicable then we can test the quality of those results on the applications.
    Until this is done we should stay in a quantum state between amazed and anoyed.

  • @andybaldman
    @andybaldman Před 5 měsíci +1

    This video is really the Ising on the cake.

  • @jhwheuer
    @jhwheuer Před 5 měsíci +1

    Remember that we are all part of a computer that tries to find the question to the answer 42.

  • @nunomaroco583
    @nunomaroco583 Před 5 měsíci +2

    Great advances in computing science, just brilliant.

  • @oldcowbb
    @oldcowbb Před 5 měsíci

    it absolutely crazy, i have been trying to learn renormalization yesterday and they start using ising model as example, and now you are also talking ising model

  • @garyproffitt5941
    @garyproffitt5941 Před 5 měsíci

    Blond hair and blue eyes and very intelligent. Unfortunely I had a stoke. Sir Robert Peel, 2nd Baronet, FRS (5 February 1788 - 2 July 1850), was a British Conservative statesman who served twice as Prime Minister of the United Kingdom (1834-1835, 1841-1846), simultaneously serving as Chancellor of the Exchequer (1834-1835), and twice as Home Secretary (1822-1827, 1828-1830). He is regarded as the father of modern British policing, owing to his founding of the Metropolitan Police Service. Peel was one of the founders of the modern Conservative Party.

  • @Ikbeneengeit
    @Ikbeneengeit Před 5 měsíci +1

    Drawer with 10 spoons = quantum computer that can perfectly stimulate up to 10 spoons in any physical disposition.

  • @Dina_tankar_mina_ord
    @Dina_tankar_mina_ord Před 5 měsíci +1

    The (there is no spoon) reference was brilliant. hihi

  • @carlbrenninkmeijer8925
    @carlbrenninkmeijer8925 Před 5 měsíci +6

    Super interesting! Question, is the "Salesman problem" suitable for quantum computers or simulations?
    The funny thing with science is that it sometimes find applications, after a new "tool" has been made , oder?

    • @SabineHossenfelder
      @SabineHossenfelder  Před 5 měsíci +10

      You mean the travelling salesman problem? Yes, it's one of the problems you can put on a quantum computer. I believe you can also do it by quantum simulation, at least in principle. However, it's a rather academic problem. There is a class of related problems in logistics that people want to look at with quantum computers.
      I think the reason everyone is starting with the Ising model is that it's particularly easy to match onto qubits.

    • @fwiffo
      @fwiffo Před 5 měsíci +1

      @@SabineHossenfelder The travelling salesman is often used as an example of an NP-complete (and NP-hard) problem because it's easy to explain and less abstract than a lot of other NP-complete problems. However, NP-complete and NP-hard problems come up in practical situations all the time though, and if you've come up with a fast solution to an NP-hard problem, you've unlocked many others. In fact, if you find a polynomial time solution for an *NP-complete* problem, you've solved all of them because they can be converted to one-another.
      The problem is that nobody's been able to demonstrate that quantum computers are any better at NP-complete problems, and it's unlikely to be true. At best, it's speculation, but mostly it's marketing. If it were likely to be true, a lot more computer scientists and software engineers would actually care about quantum computers.
      Importantly, factoring integers into primes is probably NOT an NP-Hard problem. That's the big one that will break cryptography and everybody gets excited about it.
      Getting back to the OP's question, "is the "Salesman problem" suitable for quantum computers or simulations?" The answer is almost certainly "no". Like most problems, you can solve it with a quantum computer, but probably not significantly faster than a conventional computer.
      It's also worth noting that >99% of the time you don't even need an exact solution to an NP-Hard problem and a heuristic (fast but inexact solution) will do. So even if quantum computers were good at NP-Hard problems, they'd still be almost useless if they're at all more expensive or difficult to use.
      Technically speaking, classical computers might also be able to solve NP-complete problems in polynomial time - it hasn't been proven they can't. If you manage a proof that they can or can't, you will become very famous and win a million dollars because it's a millennium prize, and probably the one with the most practical applications.

    • @fluffysheap
      @fluffysheap Před 5 měsíci +4

      You can put it on a quantum computer, just like you can with a conventional computer, but it won't help.
      The traveling salesman problem is NP-complete, and quantum computers cannot efficiently solve NP-complete problems.
      Quantum computers, at least the fully capable quantum computers that no one is actually building, solve a category of problems called BQP. BQP is a superset of P, the category of problems that can be solved by a classical computer, but a subset of NP, which includes many famous problems including traveling salesman. The most well-known problem in BQP is integer factorization.

  • @thingsiplay
    @thingsiplay Před 5 měsíci +1

    4:35 Is this a Matrix reference (first movie)? Where the kid explains that the spoon is not real and does not bend, but you bend yourself.

  • @journeymancellist9247
    @journeymancellist9247 Před 5 měsíci +3

    This was posted 27 minutes ago, and already 7352 views. RESPECT.

  • @FSK1138
    @FSK1138 Před 5 měsíci +1

    4:12
    Sabine Hossenfelder:
    " this spoon..." .. 🥄
    Albert Einstein:
    " this spoon(quantum entangled) 🥄
    ME:
    "There is no spoon..." 😅🥣

  • @alisalloum629
    @alisalloum629 Před 5 měsíci +1

    High quality video. Thank you

  • @brassidium7686
    @brassidium7686 Před 4 měsíci

    I already have a Hitchhikers Guide to the Galaxy in my pocket. The Impossibility Drive doesn't look too far away now.

  • @mycelia_ow
    @mycelia_ow Před 5 měsíci

    The closer we get to quantum computing the more I'm preparing to say goodbye to conventional encryption as we know it.

  • @codeawareness
    @codeawareness Před 5 měsíci +4

    I wonder if the class of problems "solvable" this way is restricted to quantum phenomena, such as a large number of magnets, a large number of ions, etc. In other words, would quantum annealing be suitable for simulating systems where quantum laws are not the main actors, such as gravitational interaction of a billion objects for example?
    Also, how can we get verifiable results for these problems? We have some mathematical estimation methods for the magnets problem here, but imagine if we didn't, how would we be able to trust the results? Perhaps through experiment or observation of some natural phenomena.

    • @SabineHossenfelder
      @SabineHossenfelder  Před 5 měsíci +8

      Well, "quantum phenomena" is not as narrow a property as you might think. You see, all chemical, optical and electric properties of materials are strictly speaking quantum phenomena. This is why material science and chemistry is one of the major sectors of application for quantum computers.
      Physicists also have several algorithms that generally allow you to find solutions to some mathematical problems that could be either quantum or classical. Code-cracking is an often named example, but also some logistical and financial issues.

  • @user-gy8rj7gc1x
    @user-gy8rj7gc1x Před 5 měsíci

    Enjoyed the report. Sabine is the best at illuminating progress in physics.
    Like DWave, A company in San Diego named Mem Computing has been doing quantum simulations and has shown incredibly abbreviated compute times compared to the linear digital computer.
    I believe there is a standards body that develops standard tests so that these companies that do q simulations can compete. For example there are tests for optimization and for finding primes.
    I am not an expert in this area but will try to find out more to add to this list of comments.

  • @user-me5eb8pk5v
    @user-me5eb8pk5v Před 5 měsíci +1

    I was making a molecule in Caligary true space Legacy Edition, it slowed down horribly at 200 meta balls, The project requires nanobots to go in there and create a nano lithography machine, to make progressively smaller nano machine's. Then you can hold a tesla giga fab in the palm of your hand. Send them to mars to produce 32oz diamond cut acrylic tumblers, just keep stacking the cups to make a little shelter for more rare and interesting materials, color the glass so you are amazed by the artifacts that have been actively arranged and collated.

  •  Před 5 měsíci +1

    Quantum computing is like fusion power. Great in theory.

  • @Boog_masskway
    @Boog_masskway Před 5 měsíci +2

    3:06 The more you know!⭐️

  • @jantuitman
    @jantuitman Před 5 měsíci

    I did Sabines course. It is really nice but it is short and just the beginnings, finished it in one day. I wish they added more advanced quantum topics in the same style.

  • @charlesdonly776
    @charlesdonly776 Před 5 měsíci

    Sabine’s spoon analogy and ability to cut to the critical issue is very Feynman like… very very few people are this smart, practical and creative

  • @-.._.-_...-_.._-..__..._.-.-.-

    I feel like my grandparents in the early 2000s trying to figure out how to work their new cell phones.

  • @BenjaminGoose
    @BenjaminGoose Před 5 měsíci +1

    Wow, this is incredible! I look forward to the day where we all have such a machine in our homes that can compute a very, very, very, very specific thing and nothing else.

  • @TysonJensen
    @TysonJensen Před 5 měsíci +1

    Very quick to do that calculation on a regular computer, you train an LLM to spit out the data you expect and boom done. They haven't proved that it does anything surprising, and if a computer doesn't do anything surprising, you can't prove whether or not it's actually impressive. Is the thing actually simulating the problem at a higher level or is it just a quantum-PR stunt that Mathematica could have done?

  • @hovant6666
    @hovant6666 Před 5 měsíci +1

    This may be a great way to speed up the otherwise glacial supercomputer optimisation of the magnet configuration in designing stellarators

  • @shawn6669
    @shawn6669 Před 5 měsíci +1

    I'm really curious if the phrase "There is no spoon" would have got Sabine into some sort of copyright thing or if she just didn't feel like taking the time to google the exact quote and decided to paraphrase. One of life's little mysteries, I guess. FWIW.

  • @seriousmaran9414
    @seriousmaran9414 Před 5 měsíci +1

    "Spoons aren't real!"
    F*** I was eating pudding! 😜

  • @tortenschachtel9498
    @tortenschachtel9498 Před 5 měsíci +2

    For a while i thought the little Einstein figure had a real spoon - until i realized there was no spoon.

  • @drew_ponder
    @drew_ponder Před 5 měsíci +1

    Wave Function Singularities, Quantum Gravity, Unified Field: Frequency Wave Theory
    Expanding upon current theories of singularities with a hypothetical frequency wave theory introduces a novel perspective to understand the fabric of the universe and the singularities within it. Singularities, as understood in physics, particularly in the context of black holes and the Big Bang, are points in spacetime where gravitational forces cause matter to have an infinite density and zero volume. This traditional view, primarily rooted in general relativity, encounters limitations when it tries to describe the quantum aspects of singularities.
    The introduction of a hypothetical frequency wave theory could aim to bridge the gap between quantum mechanics and general relativity, offering a unified description of singularities. This theory might propose that at the core of singularities, rather than an "infinite" point, there exists a fluctuation of energy or matter that is best described through wave functions. These wave functions could represent the oscillations of fundamental fields or particles at extremely high frequencies, which converge at the singularity.
    Core Concepts of the Hypothetical Frequency Wave Theory
    1.Wave Function Singularities: Instead of viewing singularities as points, this theory would interpret them as zones where wave functions of particles or fields reach extremely high frequencies. These frequencies could be associated with the energy levels and the quantum states of particles converging at the singularity.
    2.Quantum Gravity Interface: The theory could provide a framework for quantum gravity, illustrating how gravitational forces operate at quantum scales. It might suggest that gravity itself can be quantized and its effects are mediated through wave functions that interact with the fabric of spacetime.
    3.Unified Field Oscillations: At the heart of singularities, the theory might propose a unified field where all fundamental forces (gravitational, electromagnetic, strong nuclear, and weak nuclear) merge. The oscillations or frequencies of this field could dictate the properties of singularities, offering insights into their behavior and structure.
    4.Quantum Foam and Planck Scale Dynamics: At the Planck scale, the theory could introduce the concept of quantum foam, where spacetime itself is subject to fluctuations. These fluctuations would be characterized by wave functions oscillating at the Planck frequency, potentially leading to the creation and annihilation of micro singularities.
    5.Information Preservation and Transmission: Addressing one of the biggest puzzles in black hole physics, the theory could offer mechanisms for information preservation and transmission through the boundary conditions of wave functions at the event horizon of black holes.
    6.Cosmological Implications: On a cosmological scale, the theory could provide a new understanding of the Big Bang and the evolution of the early universe. It might suggest that the universe itself originated from a singularity where wave functions of the unified field began oscillating, setting the stage for the expansion of spacetime.
    Challenges and Future Directions
    •Mathematical Formalism: Developing a rigorous mathematical framework to describe frequency wave functions at singularities is crucial. This involves integrating concepts from quantum field theory, general relativity, and possibly new mathematical tools.
    •Empirical Evidence: Finding empirical evidence for the theory's predictions would be challenging but essential. This could involve observations of black holes, gravitational waves, and cosmic microwave background radiation.
    •Quantum Computing and Simulations: Advanced quantum computing might offer new ways to simulate and explore the implications of this theory, providing insights into the behavior of singularities and the early universe.
    This is a part taken from CHAPTER 1 of my recent book:
    Wave Function Singularities, Quantum Gravity, Unified Field: Frequency Wave Theory
    Available on Amazon here: read.amazon.com/kp/embed?asin=B0CW1GLHD9&preview=newtab&linkCode=kpe&ref_=cm_sw_r_kb_dp_9VVJSQ61YKT844ZSTZA0&tag=aideas07-20
    Images were made with AI's imagination
    #QuantumPhysics
    #QuantumGravity
    #UnifiedFieldTheory
    #WaveFunction
    #Physics
    #ScienceTwitter
    #Astrophysics
    #BlackHoles
    #SpaceTime
    #Cosmology
    #QuantumFoam
    #PlanckScale
    #Singularity
    #SciComm
    #EmergingTech
    @neiltyson

    @carlorovelli
    @seanmcarroll

    @ProfBrianCox

    @lirarandall

    @michiokaku

  • @jhwheuer
    @jhwheuer Před 5 měsíci

    Artificial Cooling was a thing in OpsReseach circles in the 90s as a way to find minima.

  • @christopherleubner6633
    @christopherleubner6633 Před 5 měsíci

    Its like Jannings black box out of "Sneakers" the more complex it gets the better it works. 👌

  • @johnnyllooddte3415
    @johnnyllooddte3415 Před 5 měsíci +1

    ask quantum how old life is on earth and then gasp in awe

  • @szplai
    @szplai Před 5 měsíci

    "Spoons aren't real". You said it, I'm entering it in my next paternity suit!

  • @gehirndoper
    @gehirndoper Před 5 měsíci

    Pretty sure we've proven in some lecture that quantum annealing is equivalent to gate-based quantum computing, at least in general. Maybe the D-Wave systems are restrictive in some way.

  • @paultreneary
    @paultreneary Před 5 měsíci

    I too seem to be relaxed into an energetically ideal state whilst watching this

  • @cherubin7th
    @cherubin7th Před 5 měsíci +1

    Can a quantum computer shove nice food into my mouth? I guess not. I stay with the spoon then.

    • @NeovanGoth
      @NeovanGoth Před 5 měsíci

      It could design extremely delicious molecules. :D

  • @AB-dd4jz
    @AB-dd4jz Před 5 měsíci

    Regarding IBM, I've worked for them albeit in a European unit related to Cloud computing and I can assure you IBM as a company is a big and very old mammoth that doesn't know how to communicate between the different part of its body and has Alzeimer (because they bleed talent and can't manage their knowledge at all), moreover they have gone full consulting route it's just that they still have massive amount of money so don't expect any breakthrough with them on anything, I would put my money on a wild horse more than I would put anything on them.

  • @johnwang9914
    @johnwang9914 Před 5 měsíci

    Well, we're also finding out that only some calculations are suited to quantum computing or rather we are only finding some calculations that can be done by the quantum effects we know of (it's a bit like how the tin can was invented long before the tin can opener). A general purpose quantum computer is still not even in the horizon and we are already shifting encryption algorithms to algorithms we believe to be difficult to do with quantum computers. It may be like many other rapid calculations such as analog, chemical, and biological computing, that it isn't possible to generalize as much as digital computers whose real advantage is that we've found easy to generalize. Indeed, many of our devices that are dependent on some programmed micro-controller have far more latency then the directly wired analog or digital state machines they replaced. The amount of computing power that we expect to use today to do what we used to do almost instantaneously with purpose designed circuits is amazing. The early deep space probes such as Mariner and Pioneer didn't even have what we would call computers on them but now we expect to design light switches with a computer with WiFi and over the air updates. It isn't that we couldn't land in the Moon with Apollo era technology but that some people today don't even realize that there are approaches other than a general purpose computer being programmed by a program with megabytes of libraries they mostly don't use to do the simplest of tasks.
    A general purpose quantum computer may still be possible but as with vector processing, the future is probably a traditional Von Neuman computer operating specific quantum computers for specific tasks. Even the famed CM-5 supercomputer was a Sun 32 MHz workstation running your program with some functions paralyzed for the supercomputer portion. Some needlessly as the trig functions, instead of just interpolating from a table like everyone else, the CM-5 had it's supercomputer portion do a Taylors series summation which meant the results actually changed depending on partition sizes due to the additions of a small number to a large number would just underflow the small number (to accurately calculate a series of numbers, you should first sort them and let the small numbers add up enough to add to comparable bigger numbers so the contributions of the smaller numbers are not lost and though we normally do this by just sorting the numbers and adding small to big, there are actually more complicated methods where once the small numbers are added to the same magnitude as a slightly larger number, it's added with that instead of the next smallest and the sum put back into the queue of numbers to add).

  • @somethingsinlife5600
    @somethingsinlife5600 Před 5 měsíci +1

    It's not "Computation" on a Quantum "Computer"...It's actually just *Blending*. It's a blender. A blender is analogous to a Quantum "Computer".

  • @dvv18
    @dvv18 Před 5 měsíci +5

    It's kinda like analog computers. Geared towards very specific tasks and provide fuzzy results that are hard to verify, but sort of match the expectations.

    • @SabineHossenfelder
      @SabineHossenfelder  Před 5 měsíci +5

      Yes, indeed! I was about to say more about this, but then I felt it was somewhat tangential.

  • @lucasvella
    @lucasvella Před 5 měsíci

    Since the 1980's there is a precise, formal mathematical definition of what is a quantum computer is, so I find the criticism of D-Wave very valid, and it was a sketchy thing to do to call their machine a computer in order to attract investors.

  • @almor2445
    @almor2445 Před 5 měsíci +1

    Sounds like it might be helpful in a sense. Maybe it will give scientists a general area in which to look for the needle in a haystack.

  • @ArmanKhalatyan
    @ArmanKhalatyan Před 5 měsíci +1

    nice! ising model was my master project at university in late 90th, with a 25x25x25 grid. It's cool to see the problem is still there 😅! go Ising, crash the new gen computers!

  • @LordCorwin1
    @LordCorwin1 Před 5 měsíci

    Many industry processes use microprocessors or motherboards that, although programmable, they seldom are. So I think what they achieve is really interesting and it could have commercial uses indeed.

  • @protocol6
    @protocol6 Před 5 měsíci +1

    You could always hammer the spoon into the shape of your problem, heat it up to red hot and watch it cool to see if it solves your problem for you.