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@Loturzel Restaurant mans made real quantum computer so it isnt jusr assumption

NEVER buy anything from the Kurzgesagt shop site! You will not receive your item for MONTHS if at all and customer service is nonexistent.

look

P-bits???

Hi!

i've learned everything and nothing at the same time - superknowledge.

@Emilhap *12k likes

-me at school in a nutshell

@Emilhap English please 🥺...

Dude I’m 9 tho and I’m just using my dad’s phone 🤣🤣

Sooooo true....

Even though I studied Quantum physic and also IT as a major, during my last years at university, this one is the hardest episode of all for me. And I cannot even have help from my parents, who are IT teachers. But I WILL understand it. Or not, at the same time.

@Richard Schofield sloot digital coding system

I just woke up and watched this before getting out of bed. I think I picked the wrong video.

Will we really ever understand how the universe actually works through logical means? Possibly it is that we are everyone and no one at the same time.

This episode doesn't really go into enough details to understand what's going on.

“Today a typical scale for transistors is 14 nanometers.” Checks the date: Oh it was released in 2015. The current iPhone has 5 nanometers technology. We’re almost there.

@He nz bs

For the poeple who think this is true: No, it's not

i was reading this comment just as the video said that

Ahh yes... *nano age*

@Ritwik Reddy While its certainly possible in a lab, as you said its not being produced in scale. The current naming scheme is just a convienience and the current transistors we use are actually still 14nm in measure, just assembled differently.

I usually watch your videos to learn about new concepts and ideas in fields completely unrelated to what I do, so this is the first time I actually watched a topic on something related to my field of study and work (Computer Engineering). And it has been such a great experience to see how elegantly you guys approached some of the concepts I've been trying to explain family and friends many times (because the question "so what exactly do you do?" or "how do computers actually work?" naturally pop). This gave me a very unique perspective on how much "simplification" is actually done on the subject to fit in a video, and how accurately and brilliantly the essence of the topic is captured. I already had a great level of respect for all the hard work that's being put in these videos, but it just went to the next level. Thanks for all the awesome work in educating the world.

"simplified but essence-capturing" is right!

ARM: “idk man probably” x86: “Yes!” Quantum computer: *“perhapsn’t”*

😂

"Right now, we don't know if quantum computers will be just a specialized tool, or a big revolution for humanity" Its quantum, it's gonna be both things at once.

Quantium computer is existed/exists/will exist. -One of my old pal.

Superposition quantum computer

@srikar repaka ok

Hell Yeh

@ledocteur7 and how expensive

I remember when I first learned about binary computing and spent hours perfecting different logic gates with minecraft redstone, eventually making a computer that could add any two four bit numbers. Fun stuff to mess around with.

@roger van Bommel Then I built a computer powerful enough to simulate Joe.

@roger van Bommel easy to do or nah?

Yea, i went a step further with that and made a 4 bit alu, PC , and ram/ROM, basically a full redstone computer

Just like the hyperloop this entire idea is based just on eliminating 1 factor. Oh but imagine if there was more than a 0 and 1. Imagine there is no air resistance

excuse me, what?

My brain understood nothing

being a computer science student, for me this video was in the superposition of being relevant, inspiring, encouraging and fun at the same time

My professor in Computer architecture is doing research on quantum computers, and he said to us today that Google and IBM promise more than they actually know. He believes that it will take several decades to be able to use them really well and even then not in the sense of a private computer, but rather in large projects.

Hmm, well, while it's definitely true that we're definitely still a few decades away from being able to do something like Schor's algorithm, I feel that's a bit cyncial. They've definitely made some absolutely remarkable progress. The current best is 127 "qubits". Those qubits are too unstable to even as much as all connect with each other with CNOT gates so that's in practice 0 qubits *but* ; it's definitely a lot further than I would have believed possible within a decade, 5 years ago. Suddenly; to me, the magical ~1000 qubits we'd need to have an *actual, useable, stable* 1-bit quantum computer, seems like it's within reach. And to me, that's absolutely astounding.

My IQ while watching the video is increasing and decreasing at the same time so my IQ is in a superpositioned state

the only direction your IQ can change is getting smaller, for example from car accidents, cause it isn't how much you know (your intelligence) its the quotient of that (intelligence quotient)

Hahahaha amazing comment

@Spoopy Doopey TRUE

69th repli

assuming dumb is 0 and smart is 1, I think everybody's in a superpositioned state... ...that is, until we take a test.

So a Quantum computer is just like a house full of Schrödinger's Cats

@lubomir kubas 😂

Kind of, it’d be a pretty plausible amount as well right now probably close to 100 cats in a box with an explosive device

@DON'T CLICK THIS VIDEO ok i won't

except*

exept they are atom sized

this is beyond amazing :o.... the impact is unmeasurable I'm happy to be alive at this time. Thank you Kurzgesagt I felt this video like someone telling the good news!

The story of a wise computer i met 20 years ago: Normal computer: The answer is Yes Other normal computer: The answer is No Quantum Computer: It’s all about perspective

I really like your depictions of the steps to build a full adder. Very well done. I had always wondered why no one ever depicts a full subtracter though, and then i built one today. I now understand.

How on earth are these transistors the size of atoms even made? How could you make so many small things that need to follow logic?

A transistor only have 2 state : on (have electricity, or electron flow through it), or off (do not have electron flow through it). The flow of the electricity on transistor could be controlled, flip on and off by a small current on its base. So, only a few atoms and a lot of accuracy could be enough for a transitor.

@Ignacio Benavides Eventually you have to switch to higher frequency lasers because you can only focus a beam of light down so far before diffraction takes over and makes it unfocused again even if your optics are focusing it to a smaller point. I forget exactly what causes the diffraction, but I know that a higher frequency beam of light can be focused to a smaller point because it's not as effected by diffraction. Right now they're working with pretty "hard" (aka high frequency) UV light. They could switch to X rays I suppose, but we have problems making lenses that work at that light frequency. And that's why it's so hard to make a single atom transistor (of course the name "single atom tranistor" is a bit of a lie anyways, it's not just "one atom is magically a transistor", there's a bunch of other atoms around it to form the gates and stuff.

Human brain magic

@Frank Schneider That sounds less like the system is infinitely complex, and more like human beings are just having their old dumb assumptions disproved. The same way the historical discovery of chimpanzees using sticks wasn’t some crazy breakthrough for chimpanzees, it was just an embarrassing reminder for human beings to not assume stupid shit

Kurzgesagt is awesome and magnificent. I took electronics at university, did you know you can create most logic functions out of NAND gates? It was one of the laboratory projects.

I dont know why but i find it actually hilarious the thought of electrons just quantum tunneling around our tiny computers

Have you ever thought about the impact on machine learning where you can try every possible weight combination in a short amount of time and therefore get an PERFECT Function Approximation. This would lead to perfect neural networks who never make a simple mistake and can learn from a ton of data within a millisecond to get the global minima. That would lead to an extreme AI revolution!

Excellent video. I hope you make an expanded version of this one, with a slightly slower temp. So much info to take in.

My brain is currently in a superposition of somewhat understanding this and being completely melted at the same time

@mortsllafwhat am I thinking of?

😂😂😂

@suraj vardhan my hand is in a superposition to either dislike or dislike your reply

Bro your brain running at 8fps?

hahahaha

I must confess this is the only video that explains quantum computing in an easy way to understand it's inner workings thumbs up

I still have a hard time believing that quantum computing would ever work. Representing lots of states at once sounds good but im reality you're bound to run into precision problems. The good thing about traditional computer is that they have built in room for errors so, if the electrical current is a bit too high or too low, it is still rounded into 0 or 1, or a fault is detected. How can you detect an error in a superposition if 2^50 states?

@fiftythree damn ur smart

Quantum computing don't really hold more information than regular computers; it's a bit unfortunate that Kurzgesagt propagates that myth. It's better to think of Quantum computers as an evolution of a Probabilistic computer, which is something we have plenty available in the classical setting; think, with some randomnizer, have input of 0 with probability A, and 1 with probability 1-A. The set of "superpositions" ends up being just the set of different combinations of probabilities - this ends up being large, in fact, infinitely large, since A is a real number! And further, looking at several bits, the number of possibilities grows exponentially. But that isn't a problem. You did still accidentally bring up a good point though; current technology gives us very large errors on basic computations for quantum computers, which is a problem, since errors accumulate exponentially. However, this is something the very active research field of "Quantum Error Correction" hopes to solve; essentially, our objective is to have a set of "self-correcitng qubits", each consisting of their own set of qubits. The self-correcting qubits are able to reduce the error probabilities to something manageable. However, with our current best algorithms and current best tech to implement quantum computers, we'd need ~1000 regular qubits to construct even a single self-correcting qubit! IBM has recently produced a 127 (normal) qubit computer. They are aiming for 1000 normal qubits by 2025 (so is Google); once that barrier has been breached, we will have our first real, useable quantum computers, that don'T immediately collapse due to rappidly accumulating errors.

exactly! i havent found a single video yet on youtube that can explain the topic and implementations in an understandable way.

I love that the limits of our technology is analogized by a transporter. Its like the only thing we have left to figure out from the star treks.

I feel like we are growing ever closer to a field of experts skilled in breakfast math.

My computer has the power of trillions of primary school students being forced to perform maths.

@Devon Hernandez teacher logic in a nutshell

lol

So basically just the education system

@Green Bean lol jeezus Christ, take it easy there mate

Quantum Mechanics is such a interesting field in my opinion. I've learned it since i was 13. I can't wait to see its popularity in the future, like a differently new world??

That was the best explanation of quantum computing I've come across I'd heard all the information before but I'd never really understood it so yay for my brain.

Considering that this video came out 6 years ago, Imagine how many private think tanks have had access to this technology for the past 10 years. In combination with advanced AI, what on Earth could happen if it ends up being used to control us instead of free us... AI + Quantum Computing = Machines that are 1 million times smarter and faster than us. Imagine having AI robotics that are connected to the same cloud service that could be remotely manipulated altogether. Scientist usually don't have a say in the final product when projects are privately funded. They usually work in compartmentalized departments and have no control over the overall projects like at GE and IBM. The battle of virtuous win-win Quantum AI vs. global domination Quantum. AI would come into play. I can only hope these intelligently designed machines do not fall from grace. Is it possible that they behind wiser than mankind who barely even knows His own Intelligent Designer?

The fact that I'm studying all the topics they initially talked about and I could understood all the symbols made me smile ear to ear

Computer : yes, no Quantum computer: *PERHAPS*

😂

✝️✝️

✝️✝️

Computer: To be or not to be... Quantum computer: *T O N O T T O B E*

Red guy: "Hey bud what's up" Blue guy: "how familiar are you with the gears of war exactly" Red guy: "What" Blue guy: morphs into a horror monster

✝️✝️✝️✝️

@DON'T CLICK THIS VIDEO ok

@Stample thats what i thought too

@Tathnous Oxide lol, except for the blue guy turning into a melting blue chocolate demon

@Stample The blue guy turning into a monster? i dont think so ;D

This genuinely has worried me for years. There will be a time in our near future that we will have the fastest non quantum computers. I'm sure engineers can curve off some of Moores's law, but the end result is inevitable. What worries me is that I don't think we will solve the huge issues quantum computers have in time. Will this be the next big economic crash? We have to wait and see I suppose

I think that is a fair concern. However, since progress is exponential, even though we may not have many steps left we have a lot of computing power to go. And if computing power is at a point in which it is totally efficient than in terms of an economics standpoint, that is actually a good thing. And in terms of consumer goods I believe that marketing is perhaps more important than the actual computing power so I doubt there will be a large decline in sales. However you are right in the fact that we simply don’t know and the only way to know is to wait.

we're a long way from this happening. for example, your computer screen can only run at a limited speed which is most of the time is capable of 60hz, or 144hz. If you're a gamer you know what happens if your computer tries to run faster than this limit, most of the time it's lighting issues, or jittering. sure you could slow it down, and the game would no longer have those issues, but even with that you would need everything to be quantum compatible cpu, ram, gpu, motherboard. It would require all of those to have quantum physics or none of them would be able to keep up with one another like how ram loads temporary processes, like a tab of google, or rendering in a game, the cpu takes in that information, and sends actions to different parts of the computer, like to the gpu to display the action on screen, or the audio jack to play the sound that just happened in the game on the speaker, I could stretch this further but I've already done too much of that.

man, if we can actually learn how to treat each other well and not give everything to a few people who can't even use it, we are going to be awesome!

Can someone please explain to me how superpositions are helpful for storing data in any way? If they're in every state possible before we observe them, isn't that basically the same as just having one possible state: all of them at once? How can you store information in that?

@夢雨小生 it's 2 am here I am in my bed and just thinking that there is a day in future where I am not here anymore, a world without me feels wierd, life goes on and as I don't care that someone, somewhere is dying right now, when my time comes,others won't care about me as well Sleep is like death being shy... you lay on your bed, sleep and you go... somewhere? it's like loging out of your consciousness, but in death's case you don't get to dream, sleep with out dream, forever and ever I don't feel like wanting it... Anyway just felt like 6 years was a big time and this thought made me question how you were, hope well...

@夢雨小生so... alive Good for you I just felt like you were a smart guy or a wierd like me

@Dark Rider lmao what kind of a question is that, what prompted you to reply to a 6 year old comment with a non sequitur anyway

@夢雨小生 yeah ... you still alive after 6 years?

Quantum computers are not good at storing data. My prediction is in the future we will have quantum chips like a GPU, because they aren't better computers, they are only better at certain things, and storing data is not one of them because they deal with probabilities instead of certainties. While they are in every state at once, each state has different probabilities. For example, a single qubit might be 30% 0 and 70% 1. What this means is that when you measure it, 30% of the time it ends up as 0 and 70% of the time it ends up as 1. Doesn't seem very useful, right? Quantum computers can do things very fast, but they can never be 100% certain. What this means is that quantum computers excel at problems where you can check your answer very quickly. So quantum computers aren't really helpful for storing data, instead you take your classical data, do some magic quantum processing which is super fast that gives you quantum data, then you change the quantum data into classical data, which is probably correct. Then you test your classical data and if it is not correct, you try again until it is correct.

This uneasy feeling of learning something but not, is how I feel after every quantum mechanics class I have

These are around our first quantum computers. Remember the fact the first electronic computer was massive and could barely run something like 100 times 50. Now look at what it’s become now. If that happens to quantum computers, and it becomes a average thing that all computers use, lag will never be thought of. And if there is a way found for them to be mass produced, they wouldn’t be rare so they wouldn’t be expensive. For around 300 dollars, you would be able to get something that is cable of holding master programing. Then, the world would become easier and easier, more and more is discovered. Since now nearly everyone has a computer that can load anything instantly, a lot of things will arise that haven’t been seen before since not everyone today can share their knowledge.

Seeing how the qubits come together and output another superposition is giving me linear algebra flashbacks lol, it was so interesting but omg so hard to do right! I dont know that we humans can be trusted with this power though....

I took a logic class in college where we translated verbal sentences into math equations. I thought it was kind of usueless infomation until learning about transistors. I still don't understand quantum computing, but I probably would've understood less without that class

Normal computer: Yes Other normal computers: No Quantum Computers: Yesn’t

the floor is made of flooceleing (floor and ceiling)

Yes'nt Nes

"Yo"

More like Normal conputer: Yes Other normal computers: No Quantum computer: aktjqksjzlk

Quantum COmputers: Our current probability of yes is currently 50/100, therefore, the answer would be "yesn't"

a tiny correction, the 14 nm is the gate feature length, therefore technically a transistor is quite bigger than 14 nm, but 14 nm is the smallest distance in the gate (between two nodes, I am note sure which two nodes), anyway this is a huge difference, since an atom size feature node, won't mean that the entire transistor is atom sized, but rather the smallest configurable part is atom sized (which mean your resolution is [close to] atom by atom, which is freaking cool ! (and is fundamentally different than the entire transistor being atom sized (basically three atoms (or four) may form a transistor but not a single atom, absolutely not (unless we discover a new king of atoms! (that is a new element, I think we would call Tn on the periodic table)

Computer scientist: let's work on getting single atom transistors. Computer engineer: ok. Six years later Computer scientist: how are you playing Doom? There's no computer! Computer engineer: tiny atom computer is tiny.

tip to whoever coded the simulation: when doing a physics update, you can do a ray cast from a moving object, then detect if it hit anything and act accordingly. this is helpful for detecting if an electron hit an atom thick wall.

@david ???

go white boy

Other computers: yes, no Quantum computers: it might be

It just blows my mind how we are able to physically manufacture things tinier than a cell.

Brilliant, thank you for the explaination for a simple man .

its sort of scary that we might be at the peek of where technoloy can take us and this world is what we've done with all of it ...

1:53, for people who didn't know, that was actually the worlds smallest movie ever made. (not duration, its size)

By IBM

Normal computer: Yes. Other normal computer: No Quantum computer: Well Yes, but actually No

No but actually yes

More like "Yes, but also no"

It's same as usual Kurzgesagt.

Yesn't but Non't

Non't

movie: **creates an item that breaks a law in our reality** Characters trying to explain the item: *"IDK man, it seems like quantum to me"*

Or nanotech lol

I had such high hopes that you guys would be able to explain quantum computing at a level I would understand. Oh well.......😐

It's so weird because I've always thought of my computer as a bunch of seven year olds answering basic math questions.

I'm software engineer. and understand how 0 and 1 works. and this video is mind-blowing... Awesome. hope we're not use this in AI....

"They won't replace our regular computers" *Can't wait to come back here in 15 years and see kids commenting "Ha! I'm watching on my XC-G7 quantum computer"*

this is making me think of elon musk's kid

That is what people told for Portable computer and mobile phones in 20th century

.

@Haoran Xue hhhooo

@Aravind Pallippara but maybe it will be a part of the computer, just like our graphic card

Wow, even seven years back, your videos were already amazing.

was about to say its only been 5 years then rememebered hahahahaha ;-; wtf

I‘m now closer to being a quantum super computer than I never was.

"You can imagine a computer as a group of 7-year-old, answering really basic math questions.", that sums it up!

Great quote from a great show: "Every time you add a Q-Bit, it's power effectively doubles" (or something along those lines) (Show: Code Lyoko)

@Adriano Arne-Ritz A fellow fan i see

Ah, Code Lyoko. I missed that show

Since this video has been released, transistors have decreased in size furthermore. An iPhone XS or later has a transistor size of 7 nm, which was pretty revolutionary since it was one of the only devices to be mass-produced with such an architecture. In the past year, however, 7 nm transistors are becoming more prevalent in PCs. In 2019, 5 nm technology has become commercialized, though not on a massive scale. Even now, Samsung has announced they plan to commercialize 3 nm technology. The important thing to note here is that we design these transistors often decades before they become commercial. For example, 10 nm technology was first designed in the 1980s before being created in 2002 and commercialized in 2016. Currently, the smallest transistor created is at 2.3 nm, which may signal that we are at an end for transistors, considering how the disparity between the size of created transistors and the size of commercialized transistors has diminished greatly. Currently, some major nanotech research firms have considered 14-angstrom transistors (14Å, one angstrom is 10^-10 meters, 1 ten-billionth), which is about half the width of a DNA helix, by around 2025. However, whether or not we will be able to actually realize this is up for debate for the reasons mentioned in this video.

SensualCream Agree with you 100%

@Tuxedo Productions Dude thanks for this. It's so frustrating seeing everyone just type a bunch of bullshit in the comments. I get Kurzgesagt tries to aim for the lowest common denominator and there are better channels for scientific discussion but it's still disappointing nonetheless. The fact you have two douchebags here saying "too long" and "I couldn't read all this" is awful. I can somewhat wrap my head around the concepts in this video but I _completely_ fail to understand why the fuck someone would fail to read something, then spend the time and energy expressing that they didn't read it. TL;DR You're awesome and thanks for having something to teach us (which should be why we're all here). If anyone's interested, one of the concepts being discussed in the video and in your comment is called Moore's Law.

@Josh Yes

Is 14 angstrom equivalent to 1.4nm?

Sorry I couldn’t read all I this

I’d say given the time they would end up something like a solid block of pure computing power, like if your marble counter top was a pc.

Cubic CPUs instead of flat circuit chips? That would be another breakthrough in computing. Instead of having transistors the size of atoms, you also have circuit chips thin as a atom, stacked on top of each other billion times over until they are the thickness of a fingernail. Tiny cube.

If its possible to connect two quantum particles to be the same value on the other side of the world - Wouldnt that make 0ms internet delay to the other side of the world? Or does it take time? Could that be a new amazing alternative to radio frequency in drones and car keys etc?

no, just different values. If a tangeled particle has - the other needs to be +

the issue with q-bits being in all states at once is only a problem of observation. The "random" probability is no more random than lightning striking locations are random. We simply dont have the correct measuring equipment to make the prediction.

This is a huge step in computers and human knowledge, however, at the same time, it is so small we cannot even see it!

Observer: so, Qubit, what would you like to be: 0 or 1? Qubit: Yes

✝️

It simply makes the quantum bits become both the values and with one quantum bit you can already store the information of 2 normal bits. But if you have more than one qubit, you can actually say 2 qubits can store the information of 4 normal bits. With 8 qubits you can already store 256 normal bits complex information. This is really a game changer.

Q bert and the triangle of squares

Actually no. This misses the whole point of collapsing Superposition when observed. More like: Qubit: I'm 0 and 1 at the same time! Observer: What's your state? Qubit: *rolls dice*

Qubit: both please. Wait.... You decide!

There was actually a book about using thousands of people to form a massive human computer in a world without advanced technology. I can't remember the name though.

This made me understand them less. How can you have multiple superpositions if superposition is every possible position at once? How can you re-measure a qubit? If you measure it it changes and if you measure it again would it not change again? How can you ever know if a qubit is read properly if it potentially collapses into any of all its possible states?

it remains in the same state after you measure it initially - re-measuring won't change it.

So in summary, Quantum Computers could be used for Security purposes (banks/blockchains would benefit) and Simulations (scientists/genetic engineers for creating chimera creatures?). hmm... coming years is both frightening and exciting... :)

How has no one commented on the “power overwhelming” Starcraft Easter egg. Well played

This was actually a very good and understandable presentation. Thanks.

So if while in super position, the qubit "can be in any proportions of both states at once", but once observed must be 0 or 1 and its kinda just a more instantaneous bitrate that takes up less /(no?) space? idk how i've had the impression quantum computers have like a 0, a 1, and a measurable 0.5, but instead the .5 is the superposition that makes the calculation happen instantaneously and in its entirety (if that is even true?) whos got a science paper i can read and not understand

You know somethings complicated af when even a Kurzgesagt video can't fully explain it :(

ngl. this is actually the most I can sorta understand from "Quantum Computing". other videos still left me hanging too much. thanks so much!

Perhaps you can give the other videos a chance again after getting a better grasp of the concept. So maybe you can understand a little better now that you have built a bit of a foundation. If you can find any videos of Richard Feynman explaining it, I would choose that one. He was a genius, and great at explaining difficult concepts. Also, Carl Sagan would be a good choice if he has a video where he speaks about it, but I can't guarantee that he has

Was I the only one surprised by the size of the transitor?

Por favour??

How did they even built that

How did they build that

@Nedim Kahrimanović AMD's new CPU's as well

It's not 7nm it's "7nm", it's the name of the new process, the number was an actual size in the early days but now it doesn't point to any size in a transistor

3:21 If I understand it correctly, according to the many-worlds interpretation of quantum mechanics, the qubit remains in superposition, but you become entangled with it. I don't understand the Copenhagen interpretation because I can't imagine true randomness without many worlds

Well, since most games I can think of are forms of simulation, and quantum computers excel in simulation, I suspect that the tech might just go consumer one day.

you know its a hard subject when even kurzegesagt cant explain it easily

Is it pathetic that I’m only here as a game developer trying to discover when we’ll be able to run perfectly true-to-life physics simulations in VR? 😅

@JB No

You think it can run Crysis?

*"I used the quantum physics to simulate the quantum physics."*

just wait for yourself ; )

✝️✝️✝️✝️

*Hey dawg, I heard you like quantum physics*

r/unexpectedthanos

@ThatOtherAndrew it's a reference to thanos' line in avengers endgame

In 80 years of development, we turned that giant-ass ENIAC into something that we can fit in our home and a million time stronger than it. In another 80 years, we can turn the quantum computer into something that can fit in our brain. Technology is advancing exponentially

Can't bits and qubits be used together, in different proportions? Is such an interaction possible? Can it do away with the parts of quantum computation which cannot accommodate certainty? P.s.. It I am using none-technical terminology as this isn't my field of expertise...

Yes, you are totally correct, they can. And this trick is very useful in many quantum algorithms. For example, about 50% of Shor's algorithm is done with classical bits. It requires the cooperation between bits and qubits!

What i want is a 60's sized supercomputer, with all the cramming of modern ones. *LETS SEE WHAT IT COULD DO*

Do we even remotely have the ability to make a quantum logic gate though?

Plot twist: We all go to school to power the government's super computer with us calculating so many things.

Lmao so THATS why their calculations arent correct

Dude it would make a great like sci-fi show, maybe with like a 60s vibe or something, where someone finds out that they go to school to calculate these results that are given and the they're sent somewhere after the teacher checks them. And they're powering some huge supercomputer that has some significant role in the universe of the story. The results of every student in the world. And then maybe there are people who get paid to calculate as well. So the technology isnt there, everything may be just mechanical or something. I don't know, maybe it's stupid

Bye im gonna make a netflix show about this

No aliens are using us to power their Ultra Computer

I swear that was a Doctor Who plot

6:23 "Why not simulate quantum physics with actual quantum physics." Me, the universe observing itself: "Oh, neat!"

i love how they made a reference to both The Legend of Zelda and A Boy and his Atom, the smallest movie ever made, within 10 seconds.

the first thing that come to my mind is, wouldnt a super position allow faster than light speed light transmission? and from there, wouldnt that allow a computer to theoretically store any information about you, including your memories, emotions thoughts and everything else and transmit that information instantly? that'd be instant teleportation right there, no need for bending space. Im kinda confused as to how this isnt a huge topic, as its really just thinking 2 steps ahead of "abusing" super position mechanics in theory.

I guess you are talking about entanglement. Well entanglement is indeed instant, but it does not send any information, so it does not offer faster than light communication. The reason is easy: your measurement outcome is random. You will just end up sending a bunch of 0's and 1's, indeed with strong correlation, but meaningless message.

@Pascal's Videos Of course its not. The point is super positions are instant no matter how far apart. The idea is that you could transmit information with a super position in theory, if you could store every possible piece of information within super positions instant travel should be possible. It is possible to store every possible information (even trajectory of neutrons, electrons, every molecule atom and any kind of cinetic, potential or thermal energy literally any piece of you) cause it's all pretty much made of energyl according to the string theory and as far as we know since the universe seems to be deterministic outsifde of quantum physics after all. If you could convert that energy into super positions then yea. Question is would your copy be be conscious i guess, information transmittion is the most likely to be possible i guess, followed by matter, followed by conscious beings. Kind of a scary paradox thought... If your copy would say "yea it worked im myself" could you even trust that? Kinda blows my mind we might never truly know.

The speed of light is not instant, it may appear that way and it may act as such in our limited environment but light does travel at a speed of 186,282 miles per second.

Watching this in 2021, and I'm so giddy with how far they've come.

@DON'T CLICK THIS VIDEO no

WOWW YOU DON'T READ MY PROFILE PICTURE ..

me too

So basically: A normal computer does each operation individually but a quantum computer does everything possible at once

Celso TexMex Homie lol

Andrés Goens thanks mom

ok

I loved how you paired the vid with 8 bit game music! Makes it feel right in a kind of backwards way

I can't wait to understand after the next 20 or 30 rewatches!

Star-dot notation, in case no one got it on his own, would be required to existentially quantify over instants -- smallest units in the scope of any 《...》 -- of time. It's analogous to star-vertical-bar. (See some other thing for de-crypt.)

If you change the spin on one entangled particle does it change the spin of its entangled partner instantly regardless of distance between the two?

The main message of this video is that Quantum Computers cannot really be explained in a Nutshell.

@spaceBar_cheese Nice

But at the same time it can. It's in a superposition.

Q bits go up AND to the left at the same time. There ya go. I explained it in a nutshell.

@Cyber Den 001 Thank you.

I didn't knew that this video can also clear most of my concept about semiconductors...and quantum physics

I just realized that how big the universe can be and how small it can be

“Why not simulate quantum physics, with quantum physics” I used the Quantum Physics to understand the Quantum Physixs

Hey dawg, we heard you like quantum so we quantum-ed your quantum, so you can quantum while you quantum.

Wow 14 nm. In just 6 years we're down to Apple using 5 nm, and others like AMD using 7 nm. There are even plans for TSMC to introduce 3 nm soon. That is crazy.

Me: *Observes quantum computers so they stop working*

@Bro cheet an atom is in a superposition of all of it's states, but if you measure it, it wavefunction collapses. for example, let's take shrodinger's cat, the cat is both in it's dead state and alive state, but if you look at it, it takes only one state, either it's dead state, or alive state.

@Quantum man the Photonic Mastermind! its not actually us looking at it, but to observe somethign you have to hit it with photons, or some other material, so to observe a quantum particle you basically have to slap it

@Giovanni César Amorim 9A #DigaNãoAKokiDeus it's simply a fictional expirement to demonstrate a specific situation where superposition is best represented. You're over here analyzing every little detail as if it is a real life experiement. Of course the car won't be dead and alive at the same time but thinking in quantum computing, that could would be alive and dead. That's why quantum computing or the idea of it doesn't work on normal classical computers and circuits. It's very fascinating how weird quantum computing is because a lot of it is based on the weird nature quantum has which leads to a lot of questions that we don't know. I'm not an expert on this so I don't know everything, but there are defending people more qualified that can answer and explain this in more depth if you search it up. But even so, those experts still can't answer some questions about some of the more in depth qualities of quantum. I took a class and some of the questions asked, the teachers did not know because no one has discovered the answers. Sorry about the rant, lol just got really excited about this.

@kirbydied Schrodinger's cat is, to be honest, a really dumb experiment, the cat won't be both dead and alive, it's either dead or alive, the only thing that in between those things is our doubt, not the actual thing. Also, the cat will be dead because the radioactive material will most likely release particles, killing the cat.

@Bro cheet To really observe them you need complicated equipment, that will mess with them anyway, so you can observe them indirectly, by checking output of the device. It's not like brains are magic, though, such device should collapse quantum probabilities on it's own, without human observer, which makes Schrödinger's thought experiment dubious, actually.