Quantum Computers Explained - Limits of Human Technology

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Where are the limits of human technology? And can we somehow avoid them? This is where quantum computers become very interesting.
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Quantum Computers Explained - Limits of Human Technology
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17 май 2024

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Комментарии : 18 тыс.

@kurzgesagt 5 лет назад

You want to learn more about science? Check out our sciency products on the kurzgesagt shop - all designed with love and produced with care. Getting something from the kurzgesagt shop is the best way to support us and to keep our videos free for everyone. ►► kgs.link/science (Worldwide Shipping Available)

@someoneunimportant4544 5 лет назад

Kurzgesagt - In a Nutshell hey, new comment!

@RaviSeal 5 лет назад

Can you please do one on Artificial Intelligence?

@IberianCraftsman 5 лет назад

@kurzgesagt we used your video in my university class to explain how this computers work, we stopped the video at times and the teacher asked question, awesome channel really.

@GabrielSantos-el4ir 5 лет назад

Love the merch

@pradeepyoi6975 5 лет назад

Can you please send me the links of your sources for this video? it will helps me many ways

@soulplexis 3 года назад

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

@trimleyjeweled1042 3 года назад

Way underrated!

@yesyes89 3 года назад

we have to check one of the them to know the state of the other

@Straw69420 3 года назад

KNOWLEDGE

@emilhap3488 3 года назад

No... this is superposotioned knowledge. Superknowledge would be absolute knowledge as fx a theory of everthing or a hand book for superintellegence just like knowledge could be a hand book for normal Intelligence. Still a very funny comment u got there.✌🏻 Edit: Wow, soulplex or whatever. Ur comment just got 1400 likes!

@glowstickqueen7139 3 года назад

@@emilhap3488 This is the right time to be a nerd

@bananaflavoredmilk2201 3 года назад

Computer : yes, no Quantum computer: *PERHAPS*

@garybrisebois2667 3 года назад

Yes in the sense of no.

@nguyenhoanglong420 3 года назад

WELL YES BUT ACTUALLY NO :)

@roshi2627 3 года назад

BRUHAPS

@renacton 3 года назад

*YESN'T*

@nguyenhoanglong420 3 года назад

@@renactonone must Not Understand Quantums MECHANIC to understand Quantums MECHANIC :)

@zeguyy 2 года назад

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

@Qontrakt 2 года назад

😂

@roguedoge2479 Год назад

ah yes

@cewla3348 Год назад

funnily enough, expressed probabilistically, that has a 0.25 chance of happening. 0.5 from perhaps, half it from n't.

@floridaman964 Год назад

I don't get it :( Why is ARM probably?

@jamesbourke8943 Год назад

@@floridaman964 because ARM sacrifices compatibility for greater efficiency, meaning sometimes certain software won't work with it.

@yellowbanana90 2 года назад

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.

@williamhu9567 2 года назад

"simplified but essence-capturing" is right!

@waldofabian1202 Год назад

I watch it for the ducks in lab coats.

@the_akshay_p 6 месяцев назад

are Bhai Bhai

@ranjeetmauryarm 5 месяцев назад

What was the purpose of writing so much if no one will bother about it, no one will read it specialy for whom you are reading.

@samueltycksen1800 День назад

I am a computer engineer as well and just a huge tech nerd in general. I can relate so much to spending hours on end explaining to my family how computers work but to no avail. I've had to explain to my grandmother multiple times what the volume buttons do on her phone

@aiGuyReal 3 года назад

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

@aorr7657 3 года назад

Noys

@user-lk2wi8od9x 3 года назад

Yesn't

@aorr7657 3 года назад

@@user-lk2wi8od9x I LOVE IT

@enderthedark5843 3 года назад

A Orr But you also hate it.

@stefanoptc 3 года назад

LMFAO

@Moridorable 7 лет назад

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

@z1lla4 7 лет назад

your photo makes this comment so much better.

@auchucknorris 7 лет назад

sounds like china

@VladSvoka 7 лет назад

probably millions. Trillion is very large number.

@Moridorable 7 лет назад

Vlad Svoka Billions and billions

@bennigorani5521 7 лет назад

+Mitex HAAHHAHAHAHAHAHAHAAHHAHAHAHAHAHAHAAHHAHAHAHAHAHAHAAHHAHAHAHAHAHAHAAHHAHAHAHAHAHAHAAHHAHAHAHAHAHAHAAHHAHAHAHAHAHAHAAHHAHAHAHAHAHAHAAHHAHAHAHAHAHAHAAHHAHAHAHAHAHAHAAHHAHAHAHAHAHAHAAHHAHAHAHAHAHAHAAHHAHAHAHAHAHAHAAHHAHAHAHAHAHAHAAHHAHAHAHAHAHA IM DEAD LMAOOOOO SAVAGERY

@sidkbsri3997 Год назад

I first watched this video several years ago when I was in high school fascinated with the subject of quantum computing. Currently, I have been doing research over the past year pertaining to quantum mechanics and computing at UT Austin. I come back to this video every so often to see how my understanding of the topics mentioned has evolved over time.

@bitter_coffee_anyone 6 месяцев назад

Hi.. can you suggest some books or websites which you refer to do your research. I'm actually very new to this concept and would like to deep dive into this and I'm very confused at the moment and i don't know where to actually start from. Thank you very much. I'd like to share my mail ID if you're open for any conversation.

@PhilTruthborne 9 месяцев назад

This makes me so nostalgic. To see how far we have come, yet to see how you both always had this level of quality as well as managed to maintain it for so long~

@LiterallySoup 3 года назад

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

@mortsllaf 3 года назад

Damn it, it seems to be melted... Sorry for looking.

@hessel5092 3 года назад

Glad im not the only one😂

@coemcoem7070 3 года назад

Me too

@coemcoem7070 3 года назад

@@mortsllaf don't worry

@simianto9957 3 года назад

This video just scratches the surface of the absurdity

@hisokamorrow7976 3 года назад

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

@AxeZie 3 года назад

PERHAPS

@robinwilson4852 3 года назад

😂

@epikfarder8990 3 года назад

Nes

@silverismoney 3 года назад

@narutosmith4432 3 года назад

@@silverismoney I understood the reference...

@gistiri1785 8 месяцев назад

It's so amazing seeing how much your animations improved over the years. It's just incredible.

2 года назад

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.

@Noah-ws8ho 2 года назад

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.

@floridaman964 Год назад

They said the same thing about personal computers.

@guillaumegagnon7049 Год назад

@@Noah-ws8ho ibm is supposed to unveil its 1000 qubits in 2023, it's impressive

@abdulwalli6667 4 года назад

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

@cipher1579 4 года назад

nice one

@erickbarbos4647 4 года назад

You:my IQ is growing Me:is that Zeldas theme in the background?

@spoopydoopey6845 4 года назад

So you're IQ is either one or zero? 😂😊😂

@theultimateshadow7232 4 года назад

😂 Not for me

@watersheep6590 4 года назад

Abdul walli Engineering for kidzzz I checked out your iq so it has to chose one. It was low af

@kenyowns 8 лет назад

My brain fucking exploded...

@huaen8880 8 лет назад

You need one of those new quantum brains. I heard those are really effective.

@VortexumGamer 8 лет назад

Lol

@AsianMcLovin22 8 лет назад

+Hua En u mean smoke some weed?

@qqb0t 8 лет назад

+KenyBlows Realy ?? Its not that hard to understand.

@lightsidemaster 8 лет назад

+KenyBlows Several times actually xD

@Chrissownu 2 года назад

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!

@alexgaming127 2 года назад

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

@ifeoluwaadeoye6557 4 года назад

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

@dragon007368 4 года назад

so its 1

@floppy-disko2378 4 года назад

@@dragon007368 Well yes, but actually no

@notaweeb4177 4 года назад

Pretty much

@snowycryptids 4 года назад

That's it. That's the whole video.

@firehunters123 4 года назад

@@floppy-disko2378 nice one

@renekris 8 лет назад

Quantum computer + Bitcoin mining = 💲💲💲

@wooferjr169 8 лет назад

wouldn't it crash down the value of the bitcoin?

@steviewonder65 8 лет назад

+fidel diaz no, the algorithm is self-adjusting so that the difficulty of the hashes will increase to keep the rate at which hashes are found constant.

@AdrianFreakout 8 лет назад

+fidel diaz I think the day the first quantum computer is used for Bitcoin Mining, the Bitcoin amount will reach it's max capacity (which is installed to prevent inflation) so whoever turns this thing on will have all remaining Bitcoins. As Bitcoins would then become "rare" their value would increase significantly.

@wooferjr169 8 лет назад

Adrian Miska Holy fuck, I would break in and steal a quantum computer to mine bit coins. Ill be the richest person on the planet.

@wooferjr169 8 лет назад

***** are, are you stalking my channel??? btw I subed for no reason :)

@dystronex5742 Год назад

Dear Kurzgesagt, I have a humble request to you guys. I am a Kurzgesagt subscriber and follower for quite some time. I enjoy each and every topic you guys cover up in your videos. I also read the books you guys share with us. Although this is the first time I am having a hard time understanding a video topic. This is an interesting topic. I really wanna know in depth about it. It is going to be awesome if you guys come up with a new video related to this topic or even a whole series of videos. I really think there are people who will agree with this idea. A series of quantum theory is a great new topic to start. I really hope you guys read this comment and give it a think.

@sandaru6926 2 года назад

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

@divyanshsharma1303 2 года назад

By IBM

@UnorthodoxIndividual 5 лет назад

My IQ is slowly crawling out of the negative numbers.

@nin2494 5 лет назад

Unorthodox Individual you are now at -99 IQ whereas a year ago you had -100 IQ

@powdrrr 5 лет назад

try decreasing the font size.

@igorthelight 5 лет назад

You have some throttling broblem - please cool yourself properly! :-)

@blisteringstars 5 лет назад

@Virgil Fabre " *_My_* is so big "

@unstoppableleaf 4 года назад

Virgil Fabre actually it’s r/woosh

@BrushEm 3 года назад

Me: *Observes quantum computers so they stop working*

@kopanvezer 3 года назад

Headlines in 50 years: Google servers are down! Someone looked at the computer

@nichsulol4844 3 года назад

@@kopanvezer this company tried to making a computer size of regular portable device cell everyday

@devd_rx 3 года назад

@@kopanvezer bruh lmao

@opax 3 года назад

@@kopanvezer this is the funniest comment I've ever seen

@brocheet4689 3 года назад

i dont get it..

@seanhibbitt3735 Год назад

I'm studying quantum computing right now, and this is definitely one of the best entry level summarys of quantum computing I've seen!!

@happuhelon 11 месяцев назад

Kind of jelly of you, as someone who recently graduated I’d love hit the undo button and learned this for my undergrad instead🥹

@calebgodday7268 2 года назад

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

@yungstallion2201 4 года назад

Love him or hate him, we don’t know wtf he’s talking about

@MeTaLcOrE1616 4 года назад

Yung Stallion yup 😂

@infinitedeathloop5517 4 года назад

Speak for your self

@whiteblade798 4 года назад

I'm actually interested

@Abrahamwaffle 4 года назад

Did.. did you not pay attention?

@Abrahamwaffle 4 года назад

@Kernels it is. That's why it's hard to believe someone could get nothing from it.

@Symmetriad 3 года назад

Hey guys, I can run DOOM on one million 7 year-olds.

@Jamiesaltaclol 2 года назад

and i can run call of duty in just 1 school

@dyna6448 2 года назад

NICE

@yudoball 2 года назад

What is your ping

@dyna6448 2 года назад

@@yudoball -10000000 ms

@adrianoarne-ritz249 2 года назад

@Rnabee We just go full circle from here. But seriously, I wonder if we can run DOOM using a billion people

@Wildboy789789 Год назад

Keep in mind, people used to say in the 90s that the internet was only useful for email... and in the 70s personal computers were only good for keeping documents... only 30 and 60 years ago, it would literally be mind blowing to tell someone i can watch a live stream over the internet on my phone... in 10 years we r going to have quantum chips in our pc, and in 30 years its going to teleport us physically into our favorite movies or to our friends house... the only thing i know for certain is that people ALWAYS underestimate tech by like 80%

@Tuckystrike 2 года назад

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

@TheVicelion 3 года назад

"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.

@nichsa8984 3 года назад

"you have no power!"

@srikarrepaka5023 3 года назад

@ledocteur7701 3 года назад

Quantum computer : *exist* Nvidia : We present to you, the rtx 9001, the size of a grain of rice, with 4 time the power of a rtx 3090. no seriously, imagine how crazy gaming computer could potentially be.

@No-jz1jk 3 года назад

ledocteur7 infinite power. Never again will you worry about your computers limits.

@lc1777 3 года назад

@@ledocteur7701 it dosent mean anything if you can't create games good enough for that graphics though

@coleman2721 7 лет назад

I have no clue what hes saying, but for some reason I feel smart

@toxic-L 6 лет назад

Myanster IKR Me too

@alphayun7401 6 лет назад

i understand alot of what he is saying with the exception to the quantum parts

@peterman8848 6 лет назад

Yeah I understood about the first few minutes

@marslife409 6 лет назад

en.wikipedia.org/wiki/Dunning%E2%80%93Kruger_effect

@swatson11505 6 лет назад

Myanster same

@adamlavelle8598 8 месяцев назад

He lost me a seven year olds doing math

@awesomebean540 9 месяцев назад

I loved the group of the seven-year-old analogy! Your videos are funny plus educational, jeep up the awesome work!

@izzfoshizz9982 8 лет назад

2:58 marks the point of wtf.

@cedricguy4753 8 лет назад

I was like "ok....yupp....got it" to "slow tf down....ok now u r sounding like my lectures...Y....Whats in it for me?"

@jacobnair6707 8 лет назад

Could not have said it better

@theodosios-jamesxylos1142 8 лет назад

+Izzy Mendez yep...wtf indeed.

@Dabs_4_Dayz 8 лет назад

+M I G I teleportation of photons would be much easier considering photons have no mass. but still impressive

@Proshifter 8 лет назад

+Izzy Mendez Yeah, I got lost in there as well. It's a difficult concept to understand.

@thatotherandrew_ 4 года назад

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

@DX413RB8 4 года назад

portals

@Nico-py4mx 4 года назад

Ah yes, the quantum physics is made out of quantum physics

@thewatcher8215 4 года назад

*Avengers theme intensifies.*

@lemonadesaccounttm8721 4 года назад

*Hmm yes the quantum physics here are made of quantum physics*

@ThanapongPhanthong 4 года назад

please explain it in details, I want to know.

@abdulrafayraees4660 Месяц назад

I just watched an eight year old video thinking it's one of the latest Insane how good the explanation and the animation quality is

@Midnight_Star1021 Год назад

Woah - I’m rewatching this after a few years after having learnt a few things about quantum mechanics & physics, and I somewhat understand this now instead of having no idea what this was talking about! This is amazing!!

@Dude_Virus 7 лет назад

Well.. to sum it up my brain suffered a quantum stroke.

@ernestochang1744 7 лет назад

just relax and try to have a NUKA COLA QUANTUM and talk to sierra petrovita to look for your fix

@makeneko_s 7 лет назад

me too... my mind is scrambled at quantum sizes... my knowledge about computers is just about 100 worth of megabytes in my mind...

@sebastianmueller387 7 лет назад

Broscience

@machinext8251 7 лет назад

I actually understood what quantum computers were when I thought about everything this video said for a few hours.

@digi4998 7 лет назад

The Alienware Gamer Key Word: A few hours

@alexandercummins 6 лет назад

I came to this video confident I'd learn something about quantum computers. I left this video confident that I'd never learn anything about quantum computers.

@shaherghrewati5266 6 лет назад

at least u still have a brain to learn I HAZ NATHIN exept some leftover ashes in my skull from that fire!11!!!!1!1

@fmeur1997 5 лет назад

you'll have to know the basic of binary computing

@acarvey 5 лет назад

I feel like you need a basic understanding of quantum mechanics to really understand this video.

@edwardv4546 5 лет назад

Lmao definitely thought i would learn some more but half of this shit went right over my head

@michaelmcmurray9252 5 лет назад

Yes, speaking for myself, I would have stayed with the two slit experience.

@NicolasPicklelas 6 месяцев назад

Much more informative and straightforward than my informal report on quantum computing. Excellent!!

@nasserakbar8282 Год назад

The 8 bit big score is legendary

@Elbisrever 5 лет назад

Schrödinger called: he may and may not want his theory back.

@user-nj1qc7uc9c 5 лет назад

lets face it, his cat is long dead now

@ataqou2939 5 лет назад

that was so funny and not funny

@BamHurgr 5 лет назад

AtaQou (☞ﾟヮﾟ)☞

@scraft161 5 лет назад

i get it and don't get it

@nika-og4vu 5 лет назад

He didn't call

@Amr-T 5 лет назад

I’ve watched 10 videos about quantum computers and all they say is “we don’t understand, so if you also don’t understand then you get it”

@dionysus649 5 лет назад

bro I am fucking dead 😂

@user-qd1xz7sl8g 4 года назад

This is so true!

@DrRitterstein 4 года назад

But i understand it?

@DebraBakerls 4 года назад

@@DrRitterstein then you don't lol

@medexamtoolsdotcom 4 года назад

All that proves is that it's a pipe dream. Or that those that actually know what they're doing, aren't making videos about it and aren't communicating with those that are, and those that are should stfu.

@tdman Год назад

I proudly tell you this is my very first Kurzgesagt video.

@najibullahghafori3739 2 года назад

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

@altaybadirov9993 4 года назад

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

@altaybadirov9993 4 года назад

@Cyber Den 001 Thank you.

@tomhill3248 4 года назад

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

@3van660 4 года назад

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

@ASLUHLUHCE 4 года назад

@@spacebar_cheese Nice

@JoaoVictor-tq4dh 5 лет назад

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

@cheeselord8153 5 лет назад

Por Entre Páginas yes

@CC-hx8gj 5 лет назад

Por Entre Páginas no

@blackstargate4188 5 лет назад

nope

@God-yb2cg 5 лет назад

I was like WTF

@mareksykora5197 5 лет назад

Not all transistors are so small. It depends on electric current which should go through them. So transistors in computer memory can be very small, but transistors used for switching electric current in your electrobike are much much bigger.

@pixelintellect9215 Год назад

These -people are the -best and deserve every subscriber (this channel is AMAZING)

@CosasCotidianas 10 месяцев назад

It's amazing how this channel has evolved

@360xxx_swagluvunohomosapie9 7 лет назад

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

@ms.mittenz 7 лет назад

That seems to be the idea, person with a very long name which is driving me mad...

@LowFlyer 6 лет назад

360xxX_SwagLuvUNoHomoSapiensDoritozNDewBowlOfFnafWankageWithExtraWinkyLargeSalamiOgrelord_Xxx420 Fuck regular computers then

@heliomoonwave 6 лет назад

possibly..

@KJ110813 6 лет назад

Quantum computers can also perform calculations in the future and then sent back in time, increasing the computing power even more.

@radomiami 6 лет назад

360xxX_SwagLuvUNoHomoSapiensDoritozNDewBowlOfFnafWankageWithExtraWinkyLargeSalamiOgrelord_Xxx420 who picked your YT name

@joachimlavandes5708 2 года назад

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.

@ganondorfchampin 2 года назад

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

@JayFFAFAlesanaES 2 года назад

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.

@richardschofield2201 2 года назад

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

@nichsulol4844 2 года назад

@@richardschofield2201 sloot digital coding system

@lolliii5477 Год назад

yeah... *becaused you dumped it away you #####, you moron* -sun zhu

@stephenfaulk7463 2 года назад

love your stuff guys/gals! keep up the hard work!

@surabee3398 Год назад

I enjoyed this so much. I am also proud that I understood a major fraction of the entire video:D

@MrJoberg 2 года назад

“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.

@kenozis 2 года назад

5nm is just name, not really that size

@dodominoe4461 2 года назад

@@kenozis No, it is the size. Why would it just be the name?

@jamiepritchard8179 2 года назад

@@dodominoe4461 transistors nm name varies by producer, some producer do use the actual value of nm, while some other manufacturers use the equivalent size of a planar transistor, not actual size

@henz6868 2 года назад

iphone 12 now beats the performance of a ps4...

@icicles0 2 года назад

OMG

@afebrian2037 4 года назад

Me at the beginning: lets see if I can contribute to Cyber world with some of my out of the box ideas Me at the end of video: well I love my job as a carpenter

@ba3b 3 года назад

Don't worry, I'm a software engineering student and I also have no clue what is going on

@licensed_beheader 3 года назад

@Remus Phyo Thiha alright Einstein

@mankiller3040 3 года назад

Stay in carpentry my friend. It'll probably pay better.

@ledocteur7701 3 года назад

Quantum computer : *exist* Nvidia : We present to you, the rtx 9001, the size of a grain of rice, with 4 time the power of a rtx 3090.

@RnJBeats 3 года назад

ledocteur7 so true lol

@r1konTheAutomator 2 года назад

1:35 - Protoss! I love this channel's callbacks ❤️

@cumeo89 2 года назад

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?

@Noah-ws8ho 2 года назад

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.

@ivanchallengingvideoslam1948 2 года назад

@@Noah-ws8ho damn ur smart

@o_2731 Год назад

@@Noah-ws8ho wow that was really informative, thanks!

@outofthebox9699 Год назад

Think again, IBM has made a major break through

@cumeo89 Год назад

@@Noah-ws8ho The number 1000 sounds arbitrary to me. What if it's more like 10000? And what is its complexity (growth) w.r.t. the number of self-correcting qubits, linear, quadratic, or exponential?

@sudonim7552 8 лет назад

[builds quantum computer] [uses it to play cs:go]

@tomjones3993 8 лет назад

[fails to install steam because it's a quantum computer]

@tomjones3993 8 лет назад

I don't think there are any quantum computers that can run windows at this stage. D-Wave doesn't count because it's not a true QC.

@tomjones3993 8 лет назад

Not exactly, the most difficult part of quantum computing is actually operating them. They can successfully create multi qbit processors and supercool them to run effectively but they are having trouble with the programming. Right now they have to be programmed using complex algorithms just to actually get usable information out of them, and each different problem being computed must be individually programmed. Right now lockheed martin is using a 512qbit D-wave 2 and google is using an experimental 1024(i think)qbit D-wave 2. At this point they have not been able to compute anything complex, accurately or on a repeatable basis so it's still very early days. But I honestly think this is next stage in human advancement without a doubt.

@MoustacheSpyGAME 8 лет назад

+Tom Jones Well hopefully IBM Watson wont get his filthy magical "hands" on it. Or well have ourselfes skynet in no time. Srsly Watson is like the best AI yet. Im shure if the people in google gave him the info he needs to basically operate and programm an quantum computer hed be able to programm anything they would throw at him. ( cause he learns. Like for real unlike android . I know that thjat isnt true but i mean if he has alot of trial and error experiences hed maybe be able to make programs quick enought ) Wow im a programmer and looking at this its almost just bullshit. Im gonna post it anyways

@VividThought 8 лет назад

+Dreamhackian _ Pong.

@sunnyd9321 4 года назад

2:30 Don't you just hate it when you're having a conversation with someone only to have them blurt out nonsense and start rapidly melting into the 5th dimension?

@paulelderson934 4 года назад

Lucy is one hell of a drug

@corinth9140 4 года назад

Ah yes, happens all the time

@justonyx6721 4 года назад

I think it’s a rick and Morty reference (but yes I agree, hate when that happens)

@thestratigic1631 4 года назад

*4th

@blackwillow7314 4 года назад

Bruh relatable

@yinyangcurls4710 Год назад

You guys should make childrens educational cartoons that are streamed online. Id support that all the way :) love you guys so much 🥰

@adithibhat7277 Год назад

Thank you soooooo much. It's been weeks and this video just made everything crystal clear....

@rogelioayus 3 года назад

What I learn so far: -people will make better computers What I don’t understand: -everything else

@lubomirkubasdQw4w9WgXcQ 3 года назад

@3D Animation Geek ftgjffgt

@loturzelrestaurant 3 года назад

Why is there no disclaimer in those videos that most of this is based on a lot of assumptions and MAY be totally not the case?

@ravitejaknts 3 года назад

@@loturzelrestaurant Quantum Computers are already there at Google, IBM, etc.

@loturzelrestaurant 3 года назад

@@ravitejaknts Not what i meant, buddy.

@nullbeyondo 3 года назад

@@loturzelrestaurant Disclaimer for what? Quantum computers exist and we'll soon have a 1000-qubit quantum computer in 2023.

@brianj7204 4 года назад

I feel like i'm just staring at the screen and the sounds go from one ear to the other

@pigtroopa 4 года назад

Same mate

@Abrahamwaffle 4 года назад

You need to watch more Rick and Morty

@default632 4 года назад

@@Abrahamwaffle Yes, I thought I said it lol

@IRosamelia 4 года назад

@Abacus or be smart like me

@tomhill3248 4 года назад

Don't worry, most of it is theory, AKA bullshit. Qbits are just going up and to the left on a curve all at the same time. Unless it's going right and down. Which might ACTUALLY be orbiting, other shit. Like I said it's a theory.

@KaneLivesInDeath Месяц назад

Fun fact about CPU transistors: You keep hearing the term "(X)nm transistors" in Intel/AMD chips, but many people don't know what that means. The 'nm' is nanometer, which is used in microscopic measurements, so that means transistors are exceedingly small these days... The Apple Silicon chips have 5 nanometer transistors and Apple says they're developing 2 nanometer ones right now. Let's make this simple, how thick is a strand of hair in nanometers? About 90,000... Substantial number, yes? Now, how thick is a single strand of DNA? 0.90 nanometers... Right now, we are on the verge of making transistors smaller than DNA, meaning they are already smaller than the cells that make up the human body... Let that sink in!

@umbertorodrigez8213 2 года назад

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.

@torebektoregozhin4626 5 дней назад

Tell us

@umbertorodrigez8213 5 дней назад

@@torebektoregozhin4626 there’s a single bit flip that changes one to the other. It’s kind of hard to explain with words though… Basically, addition and subtraction are very similar processes, and no one would build a dedicated circuit for just subtraction, they would just double up on the addition circuit.

@alrineusaldore6764 3 года назад

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

@SIETETIZ 3 года назад

Bingo!!

@pirds102010 3 года назад

You got it very close, it is the internet, analysed by big quantum computers to find out about our knowledge, species and psychology. It happens secretly.

@doopsdoobama5432 3 года назад

Well the government is dumb then because i will unknowingly fuck everything up with my maths 'knowledge'

@noobethgamingtonthethird 3 года назад

@@doopsdoobama5432 i think i already installed 20 viruses

@averonisgaming9023 3 года назад

So you're telling me that someone in the government wants to know how much 400 watermelons cost to buy

@008abdullah 8 лет назад

my mind has been blown multiple times at the same time while watching this video

@sagem116 8 лет назад

that's because ur an idiot

@008abdullah 8 лет назад

+Sage master well, someone didn't get the joke.

@tediv9349 8 лет назад

+Sage master Your life sucks

@DannyOvox3 8 лет назад

I think Sage is the idiot for not understanding the analogy.

@haider5231 8 лет назад

haahahahaha me too

@moorooster223 4 месяца назад

this must have been so fun to create. people who learned about these concepts like superposition or entanglement and nerded out over them brought them into functional use. makes me smile.

@sahilsheikh5651 Год назад

Love the fact that the bg music changes to old school nintendo whenever some computer stuff comes up. The video ‘What is life?’s AI part gave me intense goosebumps.

@alberteinstein2291 3 года назад

When you realize a group of 7 year olds are more efficient than you....

@dimes7742 3 года назад

Thnx einstein

@denistereshchenko2505 3 года назад

- Albert Einstein, 2020

@alberteinstein2291 3 года назад

@@denistereshchenko2505 :)

@denistereshchenko2505 3 года назад

@@alberteinstein2291 I am your huge fan Sir! xD

@alberteinstein2291 3 года назад

@@denistereshchenko2505 Thanks for being a fan.......

@RoadHater 7 лет назад

I just need a quantum graphics card

@Kazyu 7 лет назад

it would mostlikely not be compatible with non quantum parts

@KenForceKevinS 7 лет назад

And i want Quantum Break at 60FPS

@cubeeffect5612 7 лет назад

It can run GTA V at full graphics at roughly 1000FPS

@copium5513 7 лет назад

Cube Effect That is in slow motion dumb ass.

@pi-2627 7 лет назад

just to be a nerd, a quantum graphics card would not really work very well or even be really practical. it would make more sense to make a quantum cpu. but even then it still wouldnt a massive change. sadly quantum computers and gaming dont really work well together.

@igorastral4816 Год назад

7/06/22 Still watching and re-learning everything from your majestic work!

@pokechannel9758 2 года назад

I love the way you are using Pokemons in the videos.

@ljlabradasbro 8 лет назад

teenager "Ugh this computer is so slow! Took like 1 milisecond to load!" old man "back in my day we had to wait like 7 seco-" teenager "Shut up old man!"

@pwner-yd2te 8 лет назад

+Joshua Labrada "back in my day, our TV was only 70 inch-"

@romozaki1827 8 лет назад

back in my day you needed to hold something to use the internet

@huaen8880 8 лет назад

"Back in my day, we only had 60 fps"

@J_E_N_T 8 лет назад

+Hua En Back in my day RAM was measured in Gigabytes, not exabytes.

@Krezmick 8 лет назад

+Joshua Labrada back in my day we had to call someone to set up the internet.

@roycemikhail5067 6 лет назад

BRAIN.EXE has stopped working

@philip1816 6 лет назад

How did you comment if your brain stop working?

@arbresnow401 6 лет назад

philip chan you must be fun at parties...

@ecogreen123 6 лет назад

BRAIN.EXE has stopped responding.........recovering process initiated, estimated success.........1,346,782 years

@_panilaperman9881 6 лет назад

Try turning it off and on

@blitzninja4396 6 лет назад

ecogreen 123 , press all the buttons at once.

@tc5290 4 месяца назад

This has been an incredibly useful video. Thank you 😊

@HopeX2FL Год назад

probably the only video which managed to make me understand quantum computers

@SimplySarc 8 лет назад

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?

@tristanpr_ 8 лет назад

Make the components smaller and more efficient, simply put.

@Managarm 8 лет назад

+SimplySarc Well, first you need a crafting bench....

@squidmannnredstonemaster875 8 лет назад

omg its sarc!

@TehF0cus 8 лет назад

+SquidMannn | Redstone Master And what is so special about that?

@carlosa7752 8 лет назад

+Cleto Pádua omg when I read that I thought of Asians... me and my racist thoughts XD

@daveb5041 5 лет назад

*But can it run internet explorer* ?

@horizoncreepy7273 5 лет назад

Dave B oooo

@remesh1226 5 лет назад

*Crisis

@Lucas_van_Hout 5 лет назад

no, no it can’t

@daveb5041 5 лет назад

I saw this comment on another video and copied and pasted it. Sure enough it got lots of likes. Interesting.

@truediamant777 5 лет назад

Dave B holy....

@barriewright2857 2 года назад

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

@dylandylan720 3 месяца назад

this was really easy to understand thank u for this knowledge

@infinitytheorem 2 года назад

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

@444limm 2 года назад

Yesn't

@manojramesh4598 2 года назад

@DON'T CLICK THIS VIDEO hmm

@mr.poogalizer8632 2 года назад

Well, you're not wrong!

@mikeoxmall69420 2 года назад

Imagine the cat lady with all of the quantum cats

@Bananappleboy 2 года назад

@DON'T CLICK THIS VIDEO I've never been much of a mobile gamer, but, forget everything you think you know about mobile games because Raid Shadow Legends is one of the most ambit- im sorry

@AlfredoATA 7 лет назад

I can't stop laughing at how stupid I am. I literally understood nothing this guy said, too much knowledge

@svendays 7 лет назад

There are several books ranging more than 300 pages on the concepts discussed in the video. Don't feel too bad.

@AlfredoATA 7 лет назад

TotesMcGoats Can you give me a name? I'll be happy to read a book on this

@svendays 7 лет назад

Code: The Hidden Language of Computer Hardware and Software Book by Charles Petzold I got pretty deep into this one myself. Really enjoyed it. Took a break at around chapter sixteen or seventeen. Once he establishes basic logic gates, the complexity picks up pretty quickly. Important note: This book covers computers as we know them today (when the book was written actually). I don't believe it covers the quantim bits. Even still, just understanding bits first can help shed some light on what they're discussing in the video here.

@hoolieooopie1346 7 лет назад

😂 same

@MissTrixy29 7 лет назад

I was about to say that 😂😭😅

@irisiridium5157 2 года назад

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.

@Shauenkz Год назад

I rewatched this after new vid of Cleo Abram and MKBHD where they have tour to quantum computer made by IBM. You guys explain almost the same thing and the same message with different words and animation, and it helps to understand little bit better. Thanks!

@wolfizee2363 7 лет назад

One of the seven year-olds did "0 * 1 = 1"

@WinwinLS 7 лет назад

And 1 * 1 = 0

@toygamer8622 7 лет назад

and 0 + 1 = 0

@gralha_ 7 лет назад

Possible in quantum computers

@hegugs 7 лет назад

DevelopedBear lol now I know how to get good marks in tests

@makarlock 7 лет назад

hes referring to logical operations, in binary numerical systems.

@romanhazard2341 4 года назад

Atomic transistor: U shall not pass. Electron: aight imma head out

@masterblaster7484 4 года назад

Atomic Transistor: You shall not pass!! Electron: Ok boomer

@humm535 4 года назад

Fly, you fools!

@ivanhale8114 4 года назад

Atomic transistor: You shall not pass. Electron: aight imma head in.

@DrewofDonuts 2 года назад

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

@chiragagrawal9616 9 месяцев назад

it helped me learn the concept

@c0mae 3 года назад

My 1 brain cell: *Aight, ima head out*

@otoS97 3 года назад

I went 1 full curse in university, read many little articles. Still can't understand how to use the fucking Atom somewhere running randomly and no one know what it is, In calculating or computing. I just don't get it.

@gamerdian1048 3 года назад

@@otoS97 yea that

@saidalas7763 3 года назад

Lmao

@sentientsushi7701 4 года назад

Him: *mentions logic gates* Me: “ah yes, redstone” Edit: 1.5k likes?!? Why?!

@vibaj16 3 года назад

Xp Level Googolplex watch some of Myren Eario’s videos (especially the one about precise piston timings) and you’ll realize that Minecraft’s code fore redstone can feel complex enough to be like quantum mechanics. Like the way pistons actually extend in 2 gameticks even though everyone thought it was 3, but they wait 1 gametick before extending if powered by a self-converting piston extension (aka block 36). But it also can seem like 3 gameticks because certain tile-tick blocks like repeaters lose 1 gametick of delay when activated by a player input

@sentientsushi7701 3 года назад

VIBaJ 16 will do

@dappy9988 3 года назад

Mamamamamamamamamammamammamamamamamaamaminecraft lòookooooooooooove miiiiiinnnnnnneeeeeeeeecccccrrraaaaaffft

@sentientsushi7701 3 года назад

TheDankNerd mammamamanammamaqamamamamamamammamamamamamamamamaamamamamamamammememememmmmmeeeeeeeeeeeeee tootototot22totototoo2otottototooottoooooooooo2ooo22ooo2ooooo2oooooooooooooo2ooooo

@aorr7657 3 года назад

Minceraft

@Gabriel-oy5kw Год назад

Great video, introduces a lot of the interesting applications I marvel at

@calebgodday7268 2 года назад

Thanks alot I understood perfectly job well done

@ion6591 8 лет назад

All my smaller cousin knows about computers: 1. open google 2. search "games" 3. open the first link

@venomtang 8 лет назад

lmao

@musardus 8 лет назад

how many small cousins do you have?

@RoderickVI 8 лет назад

+musardus 1...

@thetruereality2 7 лет назад

😋😋😋

@foxracerfoxracer6091 7 лет назад

How My Dad knows how to use a computer 1.Click on Google 2.Type Porn 3.Take three hours to find a good website 4.Jackoff for only 30 Seconds 5.Shut down computer without quiting Google

@youf. 4 года назад

2030 : yeah dude my quantum computer crashed and I caused a black hole Friend : dang that sucks dude

@zacktribs6209 4 года назад

Hate it when that happens

@giannibianco2404 4 года назад

Hahahahajaja legend

@shivamshandilya573 4 года назад

We still wnt have flying cars

@rakshit3515 4 года назад

Crashed because of Internet Explorer

@subarked1697 4 года назад

@@Saadramzan315 IT'S A JOKE!

@killpeople6207 8 месяцев назад

Quantum computers could likely replace home computers in the case of a room temperature superconductor

@Coffee_and_Vanilla Год назад

"Wow your ex really hates you." This hit me straight in my single life where I don't have any ex.

@MOTHsan 8 лет назад

I'm in this weird state of "I understand" but then I look away and want to explain to my mom what I just watched and I just I have no idea Colorful funny things and a dude with a nice voice

@treywaka2444 8 лет назад

_"If you think you understand quantum mechanics, you don't understand quantum mechanics."_ - Richard Feynman

@MOTHsan 8 лет назад

Trey Waka Yeah, like that. :D

@saradanhoff6539 7 лет назад

Just tell her that scientists are learning how to manipulate the unique mathematical properties of Psi (the symbol used to denote the wavestate of a quanta, or even discrete group of quanta) to cheat universe by selling precision for speed, then cheating it back again the opposite way and making a profit twice in order to feed everyone with a few loaves of bread and a couple fish. It's kinda a bastardization of buying options, short selling and leveraging market speculation, but with the tiniest pieces of reality. And bizarrely enough it turns out that our universe actually does work that way? (Yes, I'm hideously oversimplifying and making broken metaphors, but what do you expect with a subject this complex.) Apparently God was a Capitalist with Socialist ambitions.