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.
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.
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.
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!
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.
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.
Very thought provoking! I hope I'm still alive to see a major step forward in the time taken to run, for example, wave-equation based systems like weather forecasting and seismology. Quite often we can't do stochastic simulations in seismology because the time taken to run one or two models is so expensive. To imagine one of these runs taking seconds rather than weeks or even months is mouth watering. This is the most informative source I've found for the future of computing so please keep them coming.
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.
I have always enjoyed your Quantum Computing updates. I'm especially glad that you pointed out that quantum computing is not a new technology to solve old problems.
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.
Wow, yesterday I watched Oppenheimer talk about quantum mechanics and now I get an ExplainingComputers update video on quantum computing? What a treat :D
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 🙂
Thank you to you for an excellent video which has introduced me to 'quantum computing' - beyond merely knowing of the phrase 'quantum computing'. Many thanks!
Thanks for this, and it is great to hear that you have followed up with the references in the video description. :) The 2018 John Preskill paper is indeed an enlightening read.
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!!
I am inspired by your determination to produce this update every day, for the last 7 years. I was looking for a no-nonsense summary of what the recent hype is all about and i got what i was looking for. Thank you very much. So my take away is: Classic computing will continue to be as relevant as it is today. Quantum computing will unlock fundamental advances in materials (which in turn will have far reaching consequences everywhere else). There are numerous technologies being explored by various companies when it comes to realising a qubit. Microsoft's resources on Quantum computing was recommended to learn more.
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.
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
@@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.
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).
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! 😁
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.
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!!!!
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!
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.
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.
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.
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.
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.
Always interested in these quantum computing updates. It’s been said that to error is human, well currently that goes for quantum computers also. Looking forward to your next video!
Quantum computers will always deal with errors, since they deal with quantum superposition, which means one can only predict the position of something, and not know for certain. This will never change, and QC will never replace conventional computing (as the author clearly stated).
Intensely interesting. While admitting to being an idiot at times when it comes to computing in general (tongue in cheek) I hope to be able to understand quantum computing better before I croak. Your updates on the subject and past presentations thereof give me a bit of a basis for understanding. In other terms...I love this video.
i will have to watch this a few time to let ALL the info to sink in to get the full knowledge into my pee brain. it was still a good subject and will worth the time. GOOD JOB Chris!!! from the TOP 200. Where Im about to go outside get I can get my Suzuki C50 out of gear.
Excellent video Chris. Ive started to get interested in this subject. One thing Im thinking of is to be able to emulate a Quantum computer on a regular home computer in software. It would be much slower and on a very small scale. Like you get traditional micro processor development systems for learning coding this could be similar. A way to get to learn about low level coding for quantum computing and making it more accessible to ordinary people.
Thanks for this. There are already opportunities to learn about and experiment with quantum computing using cloud hardware or simulators, or indeed local simulators. For example, look to ProjectQ -- projectq.readthedocs.io/en/latest/tutorials.html -- which offers a local simulator. Or see IBM Qiskit: qiskit.org/
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!
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. ❤️
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.
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.
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 .
@@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.
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.
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).
Quantum computers have been in development for many years, but they are still in their early stages. Where as A.I is being used for many years, and now it has become a essential thing of this decade
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).
Hi Chris. What a great video. I'm forever astounded when people use the idea that the new Quantum Computers will just replace their desktop. As if the expense of one just to run Word, Excel and Outlook was worth it. In order to make the new PCs affordable, it's obvious the supercooled will have to be overcome and I fancy some of the big magnets and lasers options will need a lot of work to overcome the inherent noise issues with these systems. I agree with you that people's expectations on deliverability of homec sustems need to be managed. I remember the earlybPCs in the late 70s and look at how far we've come in thos 45 years or so. Personally, I'd like to see a a Cray sized super-quantum computer, coupled with AI, working on a research project looking at known knowledge, cross referencing topucs in new ways, and hopefully giving new insights into science, medicine, etc. Interesting times. Keep up the great work
Aside from the fact that QC's like from IBM need to operate at just above absolute zero temperature (-459 F), the reason why QC will not replace conventional computers is that QC's deal with probabilities, not facts, so they "might" be able to be used for scientific simulations that super-computers are used for today, but not for conventional computing that require 100% accuracy.
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.
And I still can't believe how the engineers in the late 70's managed to design the Z80 processor 🤦♂ That was very informative and well done video (just like all your other ones on this channel). Thanks Chris!
I agree -- what was achieved in the 1970s with available fabrication technologies (and computing power to assist with the practicalities of design) was very impressive.
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.
Great update, Chris. I have to say, a lot of what you said; went straight over my head. But it does make you sound very intelligent though. Thanks for sharing. 😂
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.
Excellent video, as always. The subject matter is way above my head, but interesting nevertheless. I am way too old for QC to be relevant in my lifetime, but I am excited for those young enough to see it come to fruition.
Excellent introduction! One of the advantages of Quantum computing is the fact that it is statistical just like real quantum fields. If you get to a point where there are no errors, haven't you just reinvented classical computing? The real trick with quantum computing is to use the errors created in the same way that actual quantum fields do. I think that a better understanding of errors and using algorithms that are fault tolerant, or even finding algorithms that require errors is a much better way forward. Well that is my 2 cents worth anyhow. :-)
When you have a problem with a quantum computer, tech support will tell you to turn it off and on at the same time.
You are on form today! :)
But before that, MS tech support will tell you to buy two Target or Apple gift cards first.
😆
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
That's funny.
I like these sorts of updates; they feel fundamentally optimistic about the future.
“It's tough to make predictions, especially about the future.”
Turn to Christ my friend
@@bojohannesen4352 I agree, but I still hope I will have my own quantum computer before civilization collapses.
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.
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.
@brentoneccles Who is this "you" you are referring to in your post?
@@abzhuofficial and more importantly we don’t have to pay and end up with thousands in debt to be educated 😇
@@StephenC050 True
Thank you Chris! Your channel is the best source for understanding cutting edge computer technology. Keep up the good work!
Thanks for your kind feedback, appreciated. :)
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 😊
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.
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!
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.
Truly amazing stuff. Things are really starting to move in the field. An update I always look forward to.
I love your optimism. Its really refreshing when everything feels depressing and hopeless with regard to the future.
sarchasm?
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.
Thanks. :)
Cheers, Chris!
Always informative and enjoyable! 🙂
You "Had Me" @ Quantum Computing, Sir! - Nice One !! 🙂
Cheers! - Judson & Buddy! - Have a Great Weekend, Everyone!
Greetings both!
Very thought provoking! I hope I'm still alive to see a major step forward in the time taken to run, for example, wave-equation based systems like weather forecasting and seismology. Quite often we can't do stochastic simulations in seismology because the time taken to run one or two models is so expensive. To imagine one of these runs taking seconds rather than weeks or even months is mouth watering. This is the most informative source I've found for the future of computing so please keep them coming.
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.
I have always enjoyed your Quantum Computing updates. I'm especially glad that you pointed out that quantum computing is not a new technology to solve old problems.
Really enjoyed the content Chris! Really like learning about the future of computing!!! Thanks gor all that you do!!!
Thank you for the segment. Very informative. 👍
Thank you for taking the time and effort in presenting this.
I never really understood any of this until this video. Thank you.
Historic and path-breaking, your videos are every time 👍
Kindest regards, friends and neighbours.
Ah my favorite day of the week, Quantum computers are the future. Explained by you made the video so much and interesting.
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.
I've been waiting for that update! Thank You 😁
Wow, yesterday I watched Oppenheimer talk about quantum mechanics and now I get an ExplainingComputers update video on quantum computing? What a treat :D
Did you go and see Barbie after you saw Oppenheimer?
@@Praxibetel-Ix Actually no, it was already too late when my girlfriend confessed that she wanted to see Barbie as well 😭
@@mr.dingleberry4882 That stinks. Hope you do get to see Barbie! I heard that the new Doctor Ncuti Gatwa is in it.
materials and new manufacturing techniques, that’s where I agree with you on where this new technology will help us
absolutely marvelous indeed, how the times change is incredible
Another interesting video, thank you. This is no longer a sci-fi topic, but a realistic sci-fact possibility. Exciting developments afoot.
Thank you for putting in the time and effort to create videos like this!
My pleasure!
Thank you so much Chris! Very exciting as always
Very interesting Chris. I will now go and view your video again to get a better understanding. Thanks.
With this fascinating video I had the feeling I was living in the future now. Well done!
Thank you for a good video. Have a great week.
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 🙂
The scary thing about AI is that it will be use the other three, much better than we can.
Thank you to you for an excellent video which has introduced me to 'quantum computing' - beyond merely knowing of the phrase 'quantum computing'. Many thanks!
Very interesting subject matter, I look forward towards what this will lead us to
I very like these subjects, please Mr. Chris do more such wonderful materials. I read whole Johs Preskill doc and its amazing!
Thanks for this, and it is great to hear that you have followed up with the references in the video description. :) The 2018 John Preskill paper is indeed an enlightening read.
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!!
I am inspired by your determination to produce this update every day, for the last 7 years. I was looking for a no-nonsense summary of what the recent hype is all about and i got what i was looking for. Thank you very much.
So my take away is: Classic computing will continue to be as relevant as it is today. Quantum computing will unlock fundamental advances in materials (which in turn will have far reaching consequences everywhere else). There are numerous technologies being explored by various companies when it comes to realising a qubit. Microsoft's resources on Quantum computing was recommended to learn more.
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.
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
@@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.
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).
best channel for tech information, thank you, sir. keep up the great work
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! 😁
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.
@@Mark-rw3kw Thank you!
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!!!!
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!
Informative with sources. The future is bright 🌞
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.
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.
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.
Only in you don't look at it.
love the links -- doing the Microsoft Quantum Katas as I watch. Fun exercises!
Cool.
We are so fortunate to have someone with a mid like yours doing such excellent and insightful content on youtube- keep it up!
Thanks for your kind comment.
I leant something and had a good look at some complicated things that sound rather like science fiction. Very helpful video to have watched.
Fascinating update, thanks Chris! Exciting times ahead. 🙂
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.
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.
Brilliant as usual! Thanks!!!!
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.
I may or may not be confused about this tpoic, but Chris' commentary will help resolve the superposition. Fortunately, it happens at room temperature.
:)
Always interested in these quantum computing updates. It’s been said that to error is human, well currently that goes for quantum computers also. Looking forward to your next video!
Love this.
@@ExplainingComputers I am so pleased! :)
Greetings!
Yes, always great to learn new things regarding the future.
May I propose:
🍷🍾
Cheers!
Quantum computers will always deal with errors, since they deal with quantum superposition, which means one can only predict the position of something, and not know for certain. This will never change, and QC will never replace conventional computing (as the author clearly stated).
@@Mark-rw3kw It will be interesting to see how quantum computing develops.
Chris would love a video on analogue computing.
Analog computing? 👀
Yes, indeed. Another technology that can outshine digital computers at certain tasks.
Intensely interesting. While admitting to being an idiot at times when it comes to computing in general (tongue in cheek) I hope to be able to understand quantum computing better before I croak. Your updates on the subject and past presentations thereof give me a bit of a basis for understanding. In other terms...I love this video.
Thanks.
i will have to watch this a few time to let ALL the info to sink in to get the full knowledge into my pee brain. it was still a good subject and will worth the time. GOOD JOB Chris!!! from the TOP 200. Where Im about to go outside get I can get my Suzuki C50 out of gear.
This is a good piece of technology reporting.
Thank you.
Excellent video Chris. Ive started to get interested in this subject. One thing Im thinking of is to be able to emulate a Quantum computer on a regular home computer in software. It would be much slower and on a very small scale. Like you get traditional micro processor development systems for learning coding this could be similar. A way to get to learn about low level coding for quantum computing and making it more accessible to ordinary people.
Thanks for this. There are already opportunities to learn about and experiment with quantum computing using cloud hardware or simulators, or indeed local simulators. For example, look to ProjectQ -- projectq.readthedocs.io/en/latest/tutorials.html -- which offers a local simulator. Or see IBM Qiskit: qiskit.org/
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!
:)
what an exciting time. Maybe quantum computing can explain wave particle duality and other amazing physics questions.
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. ❤️
Thanks Peter for update
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.
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.
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 .
@@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.
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.
Another Sunday treat , thanks
First time watching a Quantum Computing update video. A very interesting topic.
Thanks for watching. :)
Informative, as usual. 🎉
Excellent summary, thanks so much!
I guess Mr Terminator was a small Quantum computer, we have too be very careful then lol, nice update.
Mind-blowing, Professor! Thank you...🇺🇸 😎👍☕
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).
Quantum computers have been in development for many years, but they are still in their early stages.
Where as A.I is being used for many years, and now it has become a essential thing of this decade
Almost 1M subscribers. Like quantum computers, not a matter of if, but a matter of when.
Nice, thanks. :)
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).
Hi Chris. What a great video. I'm forever astounded when people use the idea that the new Quantum Computers will just replace their desktop. As if the expense of one just to run Word, Excel and Outlook was worth it. In order to make the new PCs affordable, it's obvious the supercooled will have to be overcome and I fancy some of the big magnets and lasers options will need a lot of work to overcome the inherent noise issues with these systems. I agree with you that people's expectations on deliverability of homec sustems need to be managed. I remember the earlybPCs in the late 70s and look at how far we've come in thos 45 years or so. Personally, I'd like to see a a Cray sized super-quantum computer, coupled with AI, working on a research project looking at known knowledge, cross referencing topucs in new ways, and hopefully giving new insights into science, medicine, etc. Interesting times.
Keep up the great work
Aside from the fact that QC's like from IBM need to operate at just above absolute zero temperature (-459 F), the reason why QC will not replace conventional computers is that QC's deal with probabilities, not facts, so they "might" be able to be used for scientific simulations that super-computers are used for today, but not for conventional computing that require 100% accuracy.
Wakin' up and smellin' the ytterbium. Excellent review. Thanks!
:)
Every time I see a picture of a quantum computers, the remind me of really funky paper weights.
Excellent video. Thanks for sharing.
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.
Thanks. Very informative
Impressive. Thanks for the update. Perhaps it is high time I become a quantum computer engineer? Well, not yet...
And I still can't believe how the engineers in the late 70's managed to design the Z80 processor 🤦♂
That was very informative and well done video (just like all your other ones on this channel).
Thanks Chris!
I agree -- what was achieved in the 1970s with available fabrication technologies (and computing power to assist with the practicalities of design) was very impressive.
I can't wait for the coming materials science and medicine revolution
I went back to the past, but it's interesting to hear from the present sometimes.
Thanks!
Thanks for your support. :)
Great overview! Of course DARPA has to be in it somewhere. Where will this all lead to?
Hey great video 👍 imo I think over the next few years theirs going to be huge investments around the world racing for the perfect Quantum Computer.
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.
The future is comming fast.
Great update, Chris. I have to say, a lot of what you said; went straight over my head. But it does make you sound very intelligent though. Thanks for sharing. 😂
Greetings Brian! :)
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.
Excellent video, as always. The subject matter is way above my head, but interesting nevertheless. I am way too old for QC to be relevant in my lifetime, but I am excited for those young enough to see it come to fruition.
Brillant presentation! Thanks!
Very impressive video. A+++
Thank you for this explaining computers. I think the best is chemical memories is the best way possible like brain.
Excellent introduction!
One of the advantages of Quantum computing is the fact that it is statistical just like real quantum fields. If you get to a point where there are no errors, haven't you just reinvented classical computing? The real trick with quantum computing is to use the errors created in the same way that actual quantum fields do. I think that a better understanding of errors and using algorithms that are fault tolerant, or even finding algorithms that require errors is a much better way forward. Well that is my 2 cents worth anyhow. :-)
Thanks for providing this; it is much appreciated and is a great way of keeping abreast of a highly complex and fragmented field.
Thanks for sharing, shared.