Quantum Computing 2023 Update

[@esra_erimez]

When you have a problem with a quantum computer, tech support will tell you to turn it off and on at the same time.

[@ExplainingComputers]

You are on form today! :)

[@benc2798]

But before that, MS tech support will tell you to buy two Target or Apple gift cards first.

[@URFUTUREUK]

😆

[@funnyvidstoday101]

actually i worked in network support so i agree you need to turn off your modem and wait 20 seconds then turn the modem back on. me

[@gstynchula]

That's funny.

[@Chris.Wiley.]

I like these sorts of updates; they feel fundamentally optimistic about the future.

[@markspc1]

“It's tough to make predictions, especially about the future.”

[@tombourne9930]

Turn to Christ my friend

[@amihart9269]

@@bojohannesen4352 I agree, but I still hope I will have my own quantum computer before civilization collapses.

[@tonysheerness2427]

How do they know quantum computers make errors? Do they run the same programme say 200 times to see if always gives the same answer?

[@ExplainingComputers]

As far as I understand it, errors may be detected as you signal from inconsistent results. Or they may be detected via the creation of a logical qubit that combines the results of lots of physical qubits, so making it clear which physical qubit(s) has an error (ie you could compare the output of both the logical qubit and all the individual ones). Or errors may result in catastrophic failure -- so the algorythm (program) crashes and reports no output, or meaningless output.

[@brentoneccles]

I love these category of videos. It's as though you were sitting in a lecture and you know a lot of the content, but now the lecturer has turned to a less discussed topic and now that rather than the caffeine is keeping you awake.

[@abzhuofficial]

For many months to myself, I've described Christopher Barnatt as "the university lecturer we wished there was more of", for this reason alone, not to mention his ability to explain complicated subjects in a newcomer-friendly manner, and his past experiences has massively helped him in this regard.

[@cheeseschrist2303]

@brentoneccles Who is this "you" you are referring to in your post?

[@StephenC050]

@@abzhuofficial and more importantly we don’t have to pay and end up with thousands in debt to be educated 😇

[@abzhuofficial]

@@StephenC050 True

[@jackburton8352]

When quantum meets A.I. then the singularity will have been reached and breached.

[@ExplainingComputers]

Oh yes, big things could happen there.

[@daveseddon5227]

Cheers, Chris! Always informative and enjoyable! 🙂

[@cupchanger]

Thank you Chris! Your channel is the best source for understanding cutting edge computer technology. Keep up the good work!

[@ExplainingComputers]

Thanks for your kind feedback, appreciated. :)

[@TheGregEgg]

They should build a quantum computer and call it "Quantum of Solace".

[@ExplainingComputers]

Nice! They must do this!

[@johncundiff7075]

I wish I had the understanding that you do regarding this brave yet strange new future! I have read many of the other comments, and I believe I agree with many that say "I worry about misuse of this technology". Thank you for always trying to expand our minds. You are an excellent teacher! Thanks Mr. Barnatt!

[@RoboNuggie]

Four areas of current development that make me nervous: AI, Genetics, Nano and Quantum - it's not that I'm a Luddite, but seeing the world is at the moment, it will be, I'm afraid, put to misuse. An informational video Chris, on a subject which to be honest confuses me 🙂

[@adamrak7560]

The scary thing about AI is that it will be use the other three, much better than we can.

[@alexlandherr]

I like the emphasis used here; especially since when some outlets mention this subject they neglected that certain tasks run on these machines are problems optimal for them and not conventional computers.

[@davidglenn6468]

Another interesting video, thank you. This is no longer a sci-fi topic, but a realistic sci-fact possibility. Exciting developments afoot.

[@michaeltodd2012]

Great overview! Of course DARPA has to be in it somewhere. Where will this all lead to?

[@srtcsb]

I'm still a bit clueless about quantum computing. But I think if anyone has a chance of explaining it successfully, it would be Explaining Computers. 🙂 Thanks for another great video.

[@montecorbit8280]

At 3:42 Video games.... If it can't revolutionize video games, what good is it??!! *Laughs* Tyrian and EverQuest forever!!

[@bertblankenstein3738]

I guess the reason why quantum computing seems so far away is that these computers only exist in research facilities. I certainly can't buy a quantum pi.

[@ExplainingComputers]

This is true. But you can access free quantum resources on the web . . .

[@PS_Tube]

Greetings. This bite sized video is excellent update of vast array of activities in QC field. And it's quite fascinating to witness how rapidly the innovations are taking place.

[@stoyantsalev3109]

Dude is a natural educator... and we desperately need more science, more reason in our lives. People like Mr. Barnatt here bring value way beyond a few entertaining youtube videos.

[@Ti-JAC]

Thank you for the segment. Very informative. 👍

[@ericfielding668]

I am interested in what quantum code looks like. Is it akin to assembly or vastly different?

[@ExplainingComputers]

Quantum computers are controlled via classical computers, on which their programs (or algorythms) are written. Traditional languages, such as Python, are often used (eg IBM Qiskit uses Python -- see: qiskit.org/ ). Or there is a nice example of some simple quantum code here: projectq.readthedocs.io/en/latest/examples.html

[@allmac7504]

Interesting..did not realise that classic computers would still have a place..nor python!

[@johntheaccountant5594]

@@ExplainingComputers If quantum computers are controlled by classical computers, how can they be fast as they are limited to the entry from the classical computer surely?

[@ExplainingComputers]

The classical computer is acting as a control device -- it sets things up, then the quantum computer runs the algorythm, then the classical computer reads and presents the results. So the speed of the classical machine does not limit the speed of the quantum processing operation.

[@ProjectPhysX]

Good overview, thank you! The lack of fault-tolerance is the problem that makes today's QCs rather useless though, as any algorithm with execution time longer than a few milliseconds will decohere. Not even a physical mechanism has been discovered yet to store Qbits in a fault-tolerant way. I'm still sceptical on the ambitious promised timeline of QC development.

[@ninahasacomputer]

I work in the industry and sadly you are right at the core of the issue for us. Mostly we ignore it and pursue the science, but the technology side of it isn't yet looking viable. Which is hard.

[@arnaudjean1159]

Just a matter of time a game of getting smarter algorithms the next months to improve the hardware so the hardware can improve way smarter algorithms wich will again improve even more the hardware and so on ...back 2 back ,awesome results. With exponential reaching curve on the horizon anyway .

[@ProjectPhysX]

@@arnaudjean1159 haha no. No smart algorithm can magically make a physical discovery for a mechanism to retain Q-bits. Quantum comouting hardware is stuck in a state of total uselessnes. The progress curve has flatlined and all the "exponential" claims are BS.

[@ShadowzGSD]

once Quantum computing has been fully mastered, what next? Quark? is that something you are looking into?

[@alanthornton3530]

Thanks Chris for this very interesting subject & video which I find amazing. I'm sure that Q-bits will be on the menu one day, it'll arrive changing our lives in the process. Hopefully graphene will arrive just in time to replace silicon, it may help boost quantum development and ten years is not that long in technology!!

[@CnCDune]

I'm curious how quantum will impact FEM-calculators - like ANSYS, LS-Dyna, Abaqus, etc. Effects on MATLAB would also be interesting. That said, as long as I can still run my 2000s or earlier video games, I don't quite care much :)

[@markspc1]

FEM (Finite Element Analysis) is not a calculator. It is Mathematical model using linear algebra.

[@CnCDune]

@@markspc1 My bad, I wasn't sure what the exact name/description was.

[@markspc1]

@CnCDune NP. There are at least two methods: displacement and energy theory. Displacement theory is the most used. FEM is used universally by engineers and scientists to solve problems with undetermined structures, heat transfer, fluid dynamics, etc. If you are interested in the subject, the most credited universities will offer courses in linear algebra and FEA.

[@davidhess6593]

The holodeck, coming to an experiencial parlor near you soon. Can you say addictive?

[@WalterW]

There goes my dream of owning a quantum SBC.

[@jls9225]

Another excellent video, I'm afraid this one goes over head as usual, but as the years go by, it gets a little easier to understand. I hope they use technology to fix climate change soon and fast. Have a good rest of your weekend Christopher. As Always, Be Smart and Stay Safe/hydrated (Uncomfortable Heatwave Everywhere).

[@Diamond_Hanz]

buy $intc now .... will be $100+ in a few years

[@prscrystalized3706]

Will Microsoft's topological quantum machine have a topological blue screen of death?

[@johnm2012]

Death? Or life? You won't know until you press CTL-ALT-DEL to open the box.

[@SamMcDonald83]

Aw man.. I was really looking forward to those quantum computer games😢 Can't Nvidia make a quantum computer already...

[@Praxibetel-Ix]

Imagine running The Sims 4 and all 5 billion expansion, stuff, and game packs on a quantum computer. Would've run smoother than silk. 😩 Editing this to say then again, one could always build a highly specced out PC...

[@N0WYO1]

Here in the US, they're experimenting with weather models to better forecast severe weather and I'm told the results are promising. Imagine marrying quantum computing with AI. I don't know whether to be excited or frightened at that prospect. Excellent video, Chris.

[@ExplainingComputers]

Yes, weather/climate simultation offers great possibilities and is being worked on as you say. Google, for one, is already getting into Quantum AI: www.tensorflow.org/quantum

[@N0WYO1]

@@ExplainingComputers I think it was the University of Michigan that was modeling the genesis of a tornado based on observable data, and they were actually able to predict a recent tornado outbreak almost to the minute. As you say, there are still too many anomalies for this to go prime time, but what they accomplished was absolutely incredible.

[@ninahasacomputer]

There are papers showing promising results of some ML approaches to quantum computing, but do remember that they are only as good as the quantum algorithms being used, and the fidelity of the output. The vast majority of research ebing doing here is still theoretical, and uses quantum simulation, so it's a long way off true utility. There's also the issue the the QC industry itself can't agree whether anything useful will exist in the NISQ era we are in, or if we must try for perfect qubits. This is the core issue in QC. And it's an industry I work in so all of this pains me that we might never truly find proper utility (which to be clear doesnt exist yet).

[@HoldandModify]

I never really understood any of this until this video. Thank you.

[@marcse7en]

A prototype of a new Quantum Mr. Scissors has just been announced! ... Mr. Quscissors, as he is known, is capable of "Superpositional Cutting" (cutting and not cutting simultaneously). This brings the advantage of being able to sharpen while cutting, thus saving time! ... Classical Mr. Scissors said cuttingly, "Mr. Quscissors will never be a reality, as I believe he'll always be 40 years away!" 🤣

[@ExplainingComputers]

:)

[@Ajax-0137]

I can't wait for the coming materials science and medicine revolution

[@More_Row]

This would have been exciting if the world didn't go to shit.

[@jlfqam]

The main contribution of QC will be moving semiconductor integration downto the atom realm level and new material developments. In the long run both will melt or converge into one. In fact, Quantum physics is a simplification of the real atom scale world that only works with the simplest of atoms, H (Hydrogen and H2(+)), are the only ones with an exact solution. Quantum physics explains everything but solves nothing. At present all companies want to stay there just in case there's a sudden progress and will not bite the dust of quick development. You have a deep knowledge on how "real" computers work and have evolved, and unless you need gambling, speculation, encrypting, fuzzy logic, AI, etc, real computing needs not uncertainties in the results.

[@tpobrienjr]

Thank you for the update. It seems very logical (?) to use error correction to deal with errors in quantum computing. I will look forward to seeing what happens next year - and the next. I'm 80 years old, so they had better be quick! 😁

[@Mark-rw3kw]

The reason why error correction is needed, is that quantum mechanics (and computing) only deals with probabilities, not absolute facts. That is why the author of this video clearly stated it will never replace conventional computing, and can only be used where probabilities are acceptable, such as simulations, the same thing that super-computers are used for today. Super-computers (or quantum computers) will not solve inflation, war, federal deficits, or any of the major problems facing us today.

[@tpobrienjr]

@@Mark-rw3kw Thank you!

[@Leahi84]

I love your optimism. Its really refreshing when everything feels depressing and hopeless with regard to the future.

[@tolstory]

sarchasm?

[@derludditus2758]

You must be hardwired to be enthusiastic about anything and everything that's new; after all, you're a futurist. But you seem to be determined to ignore the hype surrounding such things. First, the dogma (or is it a meme?) saying that "a qubit can SIMULTANEOUSLY be 0 or 1"; the problem is that NOBODY truly UNDERSTANDS quantum physics, they only believe they KNOW what they know. But they also believed they "knew" the string theory was true, and it ain't. As for the quantum superposition, there is no true UNDERSTANDING of it, and remember how Einstein was also puzzled by the "spooky action at a distance"! In practice, the Copenhagen interpretation helps some people sleep at night, but that's still not anywhere near UNDERSTANDING. To say that something is at a very precise moment in a state of 0 or of 1 (no matter how you define them), one must be able to MEASURE such a thing. At quantum size, this is impossible without CHANGING the observed system. That much we believe we know. I don't know, and you haven't explained, how these qubits work. I suppose it's how everything must work at this size, i.e. STATISTICALLY or PROBABILISTICALLY (depending on how you look at it), based on VERY LARGE NUMBERS. So with qubit "hardware" one cannot compute EXACT things, but only statistically-significant values; averages based on huge numbers. That's not what one would expect from a computer. Returning to the interpretation: one cannot say "this qubit has been, in 1 billion moments of time, simultaneously in 0 and in 1," because in such a case it would be useless, averaging to irrelevance, or being precisely 0 AND 1, and what's that useful for? Maybe it was 1 for 1 billion times AND/OR 0 for 1 billion times, depending on HOW you performed the measurement. Maybe it was 1 on average 500 million times, and 0 on average 500 million times, provided it wasn't "stimulated/polarized" (or whatever). But you can't say, as you would with a transistor, measure it 3 times and get 3 statuses. Maybe 3 billion times. And get some sort of average. All in all, your audience WAS NOT TOLD anything about HOW these magic quantum computers work. Obviously, with or without the noise issue (up to 1% errors!), they can't be used in accounting. Sometimes, they might be useful in engineering, where high precision is not always necessary. But not in general computation. Then, if they'll use several qubits to obtain a "more precise logical qubit," then a truly useful qubit computer, featuring millions of (logical) qubits, will probably consume as much electricity as a small town. And we're in the age of the Green religion, right? We'll switch all cars to electric (BEVs), and all computers to quantum ones. ARE WE MAD AS A SOCIETY? Today's quantum "computers" (rather contraptions, not computers) are as laughable as the vacuum tube computers of yesteryear. This time, though, I can't see how could they miniaturize and become more energy-efficient?! A last word about IBM. They're able to waste billions and billions of dollars, and still be seen favorably at the NYSE. They do not know what to do with the technology they develop! They invented the PC, and lost it. They created a pretty good OS/2, and they killed it because, out of greed, they were unable to make it available to more hardware, and affordably enough. They purchased Red Hat, and now they are infringing on the spirit of open source. They purchased Weather Underground, and most PWS have run away from it. Etc. etc. Whatever IBM touches eventually dies. They will lose the "quantum race" (and the "AI race" too).

[@AMan-xz7tx]

I feel like we're reaching a point where the quintessential computer will be some combination of ALL computing styles. Can't wait to slot in a "'Ryzen 12 Quantum™️' 9950X4D" CPU next to my "'Geforce AIRTX™️' 6080 TI" GPU in 2025

[@vihakurjategija]

Customer: "Help, my CPU is hitting 107° when idle!" Tech support: "Don't worry babe, it's a quantum computer so it's also at 0°."

[@JJSeattle]

Recommend x 2 speed, trust. A, it's a pandemic thing ;)

[@shazam6274]

Sounds like some of your logic is fuzzy. Just like Fuzzy Logic was a new "breakthrough", Just like Room Temperature Table Top Fusion was the future! "Quantum Computing: made of Unobtanium, processed in Wormholes, used in Alternate Realty" Coming Soon! 🤣

[@qzorn4440]

The military has the big bucks for QC. It seems like China is one of the biggest quantum players. When this technology is reliable it will open the door to new unbelievable horizons. A quantum computer, Juizhang, built by a team led by Pan Jianwei, has claimed that it can process artificial intelligence (AI) related tasks 180 million times faster. Jun 09, 2023. 😎 Thanks for the QC info.

[@judsonleach5248]

You "Had Me" @ Quantum Computing, Sir! - Nice One !! 🙂 Cheers! - Judson & Buddy! - Have a Great Weekend, Everyone!

[@ExplainingComputers]

Greetings both!

[@richardpalmanteer9798]

I understand "Explaining Computers", But Explaining Quantum Computers and Qubits and the relationship of the process of Quantum Computing?? It's Greek to me. But, thanks for the informative fundamentals of the subject matter Chris even though I don't understand it.

[@cokeforever]

Are you sure you dont have a typo in slide 1? "OCQ (Oxford Quantum Circuits)"? should it be OQC?

[@ExplainingComputers]

You are correct -- it should be OQC for Oxford Quantum Circuits. At least the expanded name is there correctly. Somehow these days, however, much I check, a typo/error slips through. You've found the one in this week's episode. :(

[@ManyHeavens42]

they still don't know why there computer must operate in 12, Dimensions this thing is a Car,you wouldn't Believe How Far This Baby will Go,So Glad you Found Neutral, Hahaha hahaha but of course they wouldn't believe in time travel either, Or teleportation, I Would. but what do I know ,Me and my wife never seen a 4 foot dragonfly, or a four foot Moth before.or did we ?

[@Kw1161]

Thanks Chris for the update, great video. I can almost understand it.....:)! I almost went to our US Vice Presidents site , but saw part of her talk on A.I. and the only thing that I learned was that A.I. is two letters, so I passed on her Quantum Computer talk....:)! Have a nice day and Week!

[@yanntal954]

2:19 There's something that needs to be said here. No these companies aren't lying but at the same time they also didn't (yet) prove quantum computing is possible! The problem is with scaling, it could very well be that as you increase the computational capabilities of your quantum computer, its decoherence time shrinks FASTER than the computational power increase. You can imagine that yes, although it is stronger with more qubits that function properly, it's overall coherence time is so small that it just doesn't have enough time to do anything more than a "weaker" quantum computer with perhaps fewer qubits. So it could be that we can only have very weak quantum computers that don't really give us any advantage. It needs to be shown that the decoherence time shrinks slowly enough so that we reach the threshold with information that's still salvagble enough where error correcting codes are applicable and can deal with decoherence from there. My take is that, just like with any other model that can solve problems outside of complexity class P (DNA computing, Lasers in a maze that can solve the Hamiltonian path problem, etc) something just has to go exponential on you (DNA needs exponentially many molecules, and lasers needing exponentially large amounts of energy) and here it could be the coherence time shrinking exponentially.

[@rmcgraw7943]

To clarify, those companies all have simulated quantum computers, which process information in qubits as theorized, but quantum computers have yet to ACTUALLY be built. I feel certain that they will some hopefully become a reality, especially with the progress in ion traps and topological analysis for measuring entangled particle states with collapsing them, but we’ll have to wait and see. Nevertheless, you can access these cloud service provider services if you want to invest time and resources on the presumptions of theory.

[@berndeckenfels]

I agree, the 2030ies will be totally dominated by quantum- and ML optimizations in medicine/biology, material science and electronics. If only politics and society will handle the shocks.

[@chrimony]

What I'd like to see is a graph of quantum performance on benchmark problems inspired by real world use cases. All the spec talk of number of qbits doesn't really tell you performance. There's no point in having a quantum computer if it can't outperform a classical chip on the same problem (and such "quantum supremacy" shouldn't be based on contrived problems).

[@jamba_d2225]

My cave man view of this industry is that it's one of moving goal posts....several years ago I remember reading that when a QC with 40-50 qbits was developed that real world problems would begin to be solved. Now you are saying they need millions of qbits. I think the goal posts will keep moving as they delve deeper into a spooky realm that is not very well understood.

[@larscarter7406]

Light can be divided into many spectrums by a prism. Nothing can exceed the speed of light. There are many channels to recieve different kinds of light through optic cables maybe. What to do with lightspeed off and on switches? Filters can detect which spectrum of light passes through them? I never took a course about the speed of light, but, they say it cant be broken. Maybe light can be divided even though it travels at the same speed😂

[@whothefoxcares]

The speed of light vs. the speed of thought. Who wins?

[@DrMerle-gw4wj]

I have spent a rather considerable amount of my adult life writing software for downhole data processing for oil wells and spacecraft flight software and all kinds of applications between those two extremes of altitude. Quantum Mechanics generally, much less quantum computing, has always sounded like a lot of nonsense being peddled by weirdos. You know, it still does.

[@clivewiddus3953]

Having been in computing for many years, this sounds like "Bubble Memory", "Deutronics", and a whole lot of technologies which I have forgotten over the years. I like your positive outlook, but being sceptical once governments get hold of it, the use will change to cyber attacks on other countries and the development of technologies to destroy us in a more efficient manor. In any case an interesting video.

[@eeroala5132]

I really like your videos about quantum computing . I have always felt it was a fraud, and have been hopefully waiting for somebody to explain it in a way that I can understand that it is not a fraud. So far that day has not arrived, but I watch your quantum computing videos each year, hoping that you can show that it is not a fraud. So far it’s still seems like a fraud. I will tune in next year for your update.

[@emuhill]

Quantum computers are clearly not a fraud since working systems exist. More like highly experimental and vastly different from the computers we use today. I would say that quantum computers of today are the equivalent of the ENIAC computer of the 20th century.

[@daveflatters4981]

So, they put some WD40 on the noisy gates, some lunatic puts AI on “Ziggy” and Skynet looks like a minor irritation 😂😂😂

[@hankhulator5007]

Hi Christopher, as the human can have a direct action upon a random generator only by he's mind, it will not work (well, it will work, but on 3 paws) in this space-time continuum…

[@crazyedo9979]

I work on a quantum computer optimized donkey carriage with a woodden defense club for the driver. This will be a megaseller after the great reset.😁

[@joeg3950]

Thanks, Christopher! I enjoyed the presentation on qubits quite a bit (ok, bad joke). Anyway, I’ll have much more to investigate in the coming weeks. Fantastic!

[@ExplainingComputers]

:)

[@Jossandoval]

I still feel that the current state lf quantum computing is closer to the state of Nuclear Fusion power plants in the 80's than those of computers in the same era. In need of tremendous breakthrough, more than technological refinement.

[@ProudFilthyCasual]

This is why the U.S. isn't concerned about hypersonic missiles, by the way. To any of my fellow citizens that have bought up the nonsense.

[@StepDub]

Nuclear fusion is not 40 years away. Much sooner than that. My guess is that it will be available next week, at the latest.

[@ExplainingComputers]

:)

[@patrickbutler9185]

The statements by some parties of bettering the human existence with quantum computing is commendable but it won't have much leverage in certain hostile countries. More like derision. We shall have a bumpy ride into the future.

[@martf1061]

Yet, nobody of the general public, really understands or knows how and what is really a Qbit and Quantum definition...

[@alittlepeaceandkarma]

I'm a bus driver and my understanding is that a bus is going to be a classic digital computer which is being controlled remotely by a quantum computer. The only way to beat this new revolution is to invest in it. I'm researching my family tree and I've seen how the industrial revolution affected my ancestors. AI is going to do the same to us and the best thing you can do is invest in it.

[@CyborgZeta]

I know jack about quantum computing, so your videos are very helpful. That said, I'm not disappointed about quantum computing and video games, because the best video games have already been made (1990's-2000's).

[@TankerYanker-sq2tb]

Thank you for this explaining computers. I think the best is chemical memories is the best way possible like brain.

[@phrankus2009]

From what I have gleaned, creation and cracking, of cryptographic cyphers is a huge security concern, with particular regard to military R&D and banking. A *very big deal .. VERY!

[@threewheeler624]

Thank you for a good video. Have a great week.

[@Praxibetel-Ix]

IN THE NOT TOO DISTANT FUTURE, NEXT SUNDAY A.D..... Me after installing and playing Crysis on a quantum computer: Hooray! It runs perfectly and smoothly! Bad joke for which I apologize for aside, this was another great quantum computing update video. ❤️

[@rolfsinkgraven]

I guess Mr Terminator was a small Quantum computer, we have too be very careful then lol, nice update.

[@MrCosmicVictory]

good info. realistically though, it would be used for military first, therefore it wont be declassified to the public till probably decades.

[@leskaighin8903]

I leant something and had a good look at some complicated things that sound rather like science fiction. Very helpful video to have watched.

[@WoodstockG54]

Every time I see a picture of a quantum computers, the remind me of really funky paper weights.

[@Jerico64]

I wonder if in few years we are going to end up needing to buy "QPhysX accellerator cards" to run the new games.

[@johnbee1574]

Truly amazing stuff. Things are really starting to move in the field. An update I always look forward to.

[@esra_erimez]

How can quantum computing be applied to machine learning, specifically neural networks

[@ExplainingComputers]

A great starting point for this comes from the Google Quantum AI Labs: www.tensorflow.org/quantum

[@fpham8004]

I like how we happily repeat "Quantum Superposition" which is "the ability of a quantum system to be in multiple states at the same time until it is measured" without finding the statement not at all particularly troubling. You know, like a space voodoo.

[@legojenn]

Although I don't have yet even a basic understanding of the subject matter, I appreciate your efforts at explaining quantum computing. Whether it is years or decades away, it's good to have a working knowledge of what is coming. In any case, things seem to go from decades away to being ubiuitous fairly quickly. I wonder if quantum computer motherboards will have an ATX form factor.

[@whothefoxcares]

A Quantum SBC the size & price of a popular ARM v8 hobbiest device circa the COVID-19 supply-chain crisis would be either naughty or nice. Or both.

[@kaseyboles30]

Only in you don't look at it.

[@extremelydave]

What a video Chris!!! This is awesome!!! Showing us the edge of tomorrow is so cool. Let's just hope this does not lead to "Skynet"....... I must say, this was a very impressive video. Thanks for sharing your knowledge!!!!

[@mr.dingleberry4882]

Wow, yesterday I watched Oppenheimer talk about quantum mechanics and now I get an ExplainingComputers update video on quantum computing? What a treat :D

[@Praxibetel-Ix]

Did you go and see Barbie after you saw Oppenheimer?

[@mr.dingleberry4882]

​@@Praxibetel-Ix Actually no, it was already too late when my girlfriend confessed that she wanted to see Barbie as well 😭

[@Praxibetel-Ix]

@@mr.dingleberry4882 That stinks. Hope you do get to see Barbie! I heard that the new Doctor Ncuti Gatwa is in it.

[@navneeth729]

I just remembered watching your last year's update and searched if you released one and here it is released just 6 hours ago! Thank you 😊

[@codyaimes4354]

I'd say they say "nuclear fusion is just 10 years away." For the last 60+ Years.

[@PraecorLoth970]

Looking forward to your future video how we achieved on quantum supremacy.

[@johntheaccountant5594]

After all that I still cannot work out what a quantum computing is over a normal (classical) computer except it can process more quickly. I also did not understand what he meant by "noise" but gather that is errors. If you want to confuse yourself even more and still not understand what Quantum Computing is, then do a wiki "Quantum_computing" and you will still know as little.

[@ExplainingComputers]

Think of quantum as a massively parallel computer, and one able to accurately represent real world thing (like the behaviour of molecules and atoms). Where as classica computers always have to deal with approximate digital representations. It is a mind-boggling field.

[@bobwong8268]

Really glad I read this: Massively // computing , easier to understand. Accurately represent Real World things , hmmm... enhancing AI & VR, making current tech more real. And yet currently prone to errors. Thanks.

[@ekstasiqX]

Very interesting subject matter, I look forward towards what this will lead us to

[@ManyHeavens42]

the human DNA can be done the same way packed more tightly, we are a supercomputer.

[@schitlipz]

You're right. Somebody in the comments is gonna outright state the fact that this quantum crap is just that.

[@rbrohammer]

We will reach Singularity when we write AI on Quantum machines. Let's get it right.

[@AMDRADEONRUBY]

Ah my favorite day of the week, Quantum computers are the future. Explained by you made the video so much and interesting.

[@Mark-rw3kw]

The future of what? Not conventional computing, which as the author stated will never be replaced by QC's. I don't think everyone heard and understood what the author said.

[@michaelryding2409]

This was just so good, thank you very much for continuing this series. The emphasis on advances in chemistry informing material science make so much sense. Your closing summary of the seperation of digital and quantum using an example of a future mobile phone and battery was inspired and for me an unlocking moment. Great work.

[@ExplainingComputers]

Thanks. :)

[@John_Mack]

I see the future of Quantum Computing to not be at the desktop scale, but instead going backward (in a good way) to the mini-computer scale with multiple desktops networked to a single large format computer and storage. These "quantum terminals" of course could be located anywhere as they can be wireless. The terminals in fact could be tablet and phone based. A Quantum Computer holds the promise of large-scale multi-layer and multi-task computing with less heat and better data management. I am blessed that I have had the opportunity to have worked on computers since the 70's from main-frame to mini to desktop and what appears to be a return to mini-scale computing. It's a shame that I have retired and will not get a chance to integrate this type of computing into a future workflow. Quantum Computers would be incredible at data management for the "Digital Twin" future in Architecture and Engineering.

[@Techmagus76]

Thx Chris, they are supposed to do quantum jumps forward, but instead the speed of progress is mind blowing. I like the Darpa approach (not the Darpa itself) to fund a broad range of concepts which put a different spin on quantum computing (ok thats a lame joke with the spin). With such a lot of quantum experiments our understanding of quantum mechanic and dynamic will get a huge boost too.

[@Mark-rw3kw]

No. Quantum Computing has nothing to do with "quantum jumps forward." It has to do with quantum mechanics and superposition where something can be in multiple states or places at the same time. So information in a quantum computer is not binary, either a 0 or 1, but can be many states in-between. Therefore, quantum computing is error prone and deals with probabilities, rather than absolute facts, which is why it can only be used for certain scientific simulations, etc, and not for conventional computing.

[@bluekeybo]

Quantum computers are real, it's just that they won't pick up steam enough to be ubiquitous and relevant in my life time.

[@absurdbird3556]

Do you think there'll ever be a time when the general population have the option of owning quantum computers instead of classical ones? They'll have to keep selling us new computers somehow!

[@ExplainingComputers]

I don't think it will happen anytime soon. But it may happen on day. However, it is more likely the general population will access cloud quantum hardware. Indeed already, the power of the user's computing device is becoming less important than the hardware they access over Internet. Computing is becoming a utility service, and quantum is one of the next utilities.

[@johnm2012]

I'm curious to know what you would use one for. It seems to me that the biggest problem is visualising a way to present the problem you want to solve and then interpreting the result.

[@ambigousBarrel]

I wonder how soon after a task has been completed that is for what ever reason extremely important how soon the public (myself included) will be made aware of it? I mean from a company point of view it would be great for publicity but I'm not so sure if it would be in everyone's interest to rush out and tell us. Still, it is amazing to think we might be able to come up with theoretical solutions and have a way to try them without risking doing it in the real world without an idea of what it might cause. Should lead to lowered risks with experiments hopefully! Or at least a greater understanding of what might happen.