Quantum Computers Explained - Limits of Human Technology

  • Published on Dec 8, 2015
  • 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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Comments • 12 195

  • Jacob Toth
    Jacob Toth 8 hours ago

    one more invention that the public can't comprehend. Few have mastered the Trivium(Trivial), and now fewer shall learn of quantum science.
    what a surreal reality-- for me to be an idiot in 2018, and ponder the magician's quantum card tricks.

  • Alejandro Gonzalez

    In short, Star Wars type civilization are coming sooner than we think

  • Random Tech
    Random Tech Day ago

    Can't overclock it

  • Sarah Nagorcka
    Sarah Nagorcka Day ago

    wow, I've looking for this kind of summary for a long time. thank you

  • Taylor Sulva
    Taylor Sulva 2 days ago

    Power Overwhelming - nice Starcraft reference again 😎

  • Thunder Garcia
    Thunder Garcia 2 days ago

    I get it now

  • Angular
    Angular 2 days ago

    the summary in 3 lines.

  • Hack2Craft
    Hack2Craft 3 days ago

    "5 hundred times smaller than a red blood cells" yes this is what it said

  • Pay Pal
    Pay Pal 3 days ago

    Wouldn't the memory be a bottleneck for these computerzzzz?

  • ETC Flyer
    ETC Flyer 3 days ago

    Come on guys it's all vacuum tubes, that's the answer.

  • S I C K T R I K Z
    S I C K T R I K Z 3 days ago


  • Blackwidow
    Blackwidow 4 days ago

    .... my head hurts :(

  • Jacob Mck
    Jacob Mck 4 days ago

    I need a computer like this to go on the marianas web

  • um_animador_qualquer_9696

    Brain after video: GIVE ME A BREAK!!

  • UtaShirokage AMVs
    UtaShirokage AMVs 5 days ago

    What a lovely video!

  • Dungeon Cheese
    Dungeon Cheese 5 days ago

    Why are "specialized tool" and "big revolution to humanity" given are as seperate options? I ask this, because let's say there's something that cures cancer specifically and nothing else, I would consider that both.

  • Raf Orr
    Raf Orr 5 days ago

    Sooo can I play AoE ll on it, or nah?

  • Jim Jimulis
    Jim Jimulis 6 days ago

    dr.who would be proud for us humans his loved people.maybe now he can calculate and fix Tardis going where ever it wants problem with quantum computer from earth.

  • Kiwi Plays
    Kiwi Plays 6 days ago

    Me no understand xD

  • XenoTek 444
    XenoTek 444 6 days ago

    How are they going to actually achieve quantum bogosort

  • Grace Gius
    Grace Gius 6 days ago

    do not make quantum computer please

    • Ambient Morality
      Ambient Morality 4 days ago

      Not at all. A few forms of encryption would not work (particularly those that rely on discrete log being a difficult problem - prime factorization becomes much easier, and so does elliptic curves). That means RSA and simple elliptic curve cryptography break. Many other forms of cryptography have been theorized that are quantum-resistant; a quantum computer would not be significantly better at those. In fact, some modern encryption (like AES) is already quantum-resistant. Once quantum computers develop more, we can start to switch out existing algorithms with the new ones.

    • Grace Gius
      Grace Gius 4 days ago

      encryption would be obsolete, no?

    • Ambient Morality
      Ambient Morality 4 days ago

      why would you not want that?

  • Ducky Cuber
    Ducky Cuber 6 days ago

    I want a Quantum-phone

  • dezent
    dezent 7 days ago

    Please explain entanglement!

  • Dame Gruev
    Dame Gruev 7 days ago

    i pokraj prevodot nisto ne razbrav

  • deepak golechha
    deepak golechha 7 days ago

    Is AI dangerous for us in future

  • Cubin’ Randomly
    Cubin’ Randomly 7 days ago

    Or you could just use petrus

  • lil qwerty
    lil qwerty 7 days ago

    Can it play doom???

  • Mr.no name
    Mr.no name 8 days ago

    but can it run crysis

  • Conner Forbis
    Conner Forbis 8 days ago +2

    Unfortunately, Brain.OS has stopped working.
    Cause of error - Comprehension.exe has crashed.
    Press Tylenol to reboot.
    Press Alcohol to reboot and send a crash report after startup. This will delete any data from this session in the morning.

  • Michael Bell
    Michael Bell 8 days ago

    Oh the nerd allusions in this are amazing

  • Marshal Mathers
    Marshal Mathers 9 days ago

    Would it be possible for data transmission from one quantum computer to another? Like no internet, wifi or wires connecting them.
    This would really fuck with the world and the minds of scientists. So many would try an say parallel universe or other dimensions and all that mumbo jumbo. But really it’s just 5-dimensional space connecting them.
    Could we not think of a qubit existing in a 5th dimensional state?

    • Artur Renato B.B
      Artur Renato B.B Day ago

      Well, it's a very complicated topic, and I'd recommend getting a tad bit deeper into regular QM and then forming a opinion in theoretical physics.

    • Marshal Mathers
      Marshal Mathers Day ago

      Thanks for trying to answer my question. And wow! quantum internet is what they're calling it. And it's been done, cool!
      Yeah I suppose I said more then I should of. Just to clarify, what I'm referring to as 5-dimensional space is also referred to as the Quantum Foam. It has many names with just as many theories. In my understanding it is essentially a singularity at the center of all protons and source of gravity. As you can tell I'm no physicist. But I'm going to believe what I'm going to believe. A paradigm shift can only come from within. Two scientists arguing about theories is essentially the same as two religious people arguing about which god is real.

    • Artur Renato B.B
      Artur Renato B.B 4 days ago

      Well, unless for theoretical physics like in 11D supergravity, E8 or higher-order manifolds

  • Deal whidit
    Deal whidit 10 days ago

    Self learning AI + quantum computer... Opportunity or threat?

  • EvilUnicorn UnEvilicorn

    This video tought me one thing that I'm going to remember - you can use a bunch of children to build a super computer

  • RandomPerson #314159
    RandomPerson #314159 10 days ago +1


  • JZ
    JZ 10 days ago

    Mindfuck 😵

  • Shaher G
    Shaher G 11 days ago +1

    guys i've had that crazy thought what if....

    we created a quantum computer but we gave it artificial intelligence :O what do u guys think???
    btw i'm just 12 and SOMEHOW my brain was'nt nuked after this.....thing....i just experienced
    (gets goosebumps)

  • Some Guy On the Internet
    Some Guy On the Internet 11 days ago +1

    A PC like that could run PUBG!

  • MegaCraft02
    MegaCraft02 11 days ago

    can't then Quantum Computer be used to get passwords super duper easy.

  • Kamil Biało
    Kamil Biało 11 days ago

    Can we create a human out of quantum matter?

    • Ambient Morality
      Ambient Morality 4 days ago

      Quantum matter and quantum computers both cannot do any infinite amount of actions. A quantum computer is able to perform some very fast manipulations on an arbitrarily complicated superposition of states, which in turn means it can be quite powerful. But this still takes time and when measured the superposition collapses to one value, so it never does infinite actions.
      Actually in quantum mechanics there is a notion of quantum states having infinite dimension (IIRC, this is to satisfy some properties of decoherence), but this still does not imply infinite computational power.

    • Artur Renato B.B
      Artur Renato B.B 8 days ago

      Even if it exists, no.

    • Kamil Biało
      Kamil Biało 8 days ago

      Artur Renato B.B what do you think about quantum foam can we use it as a infinite power value battery in fabric of space 😉

    • Kamil Biało
      Kamil Biało 8 days ago

      Artur Renato B.B yea.. im like cave man 😆
      But i get it now 😉

    • Artur Renato B.B
      Artur Renato B.B 8 days ago

      I see you have a mislead understanding of quantum physics that many people have caused by videos like this.
      Look, I won't explain a lot, but firstly, in a friendly way, lemme yell you that QM has been around for over a 100 years now.
      LEDs, regular computers, lasers and much more of our regular life are quantum phenomena. Lasers, for example, are the result of the study of atomic metastable energy states, and stimulated absorption and emission.
      LEDs work on the basis of semiconductors, as well as transistors, and those work because of variable energy bands and other things.
      Quantum isn't weird unexplained stuff that science cracks her head around, is very formal, solid physics with lots of pratical applications.
      The quantum weirdness that may seem magic at first like quantum tunneling is not only explainable, but exploitable. Like in the erasin of NOR flash memory or STMs.
      That was just a head ups to let ya understand that QM is what it is.
      The second thing, quantum matter is all matter because all matter is governed by quantum physics. And it doesn't behave like you are describing

  • Sheraz Ahmed
    Sheraz Ahmed 11 days ago

    i dont get it tf. how does the quantum cpu stop quantum tunneling?

    • Artur Renato B.B
      Artur Renato B.B 8 days ago

      Quantum tunneling is a wavefunction phenomena attributed to potential energy barriers. Very important and very well understood.
      Regular NOR flash memory uses quantum tunneling to erase it, there are microscopes that work with it, and much more.
      Keep in mind a 7min vid on such a complex toic will inevitably display misinformation or mislead people for the sake of simplicity.

  • Uros Krupnikovic
    Uros Krupnikovic 12 days ago


  • the ultimate potato!
    the ultimate potato! 12 days ago

    Brain.exe has stopped working

  • Francisco Oliveira
    Francisco Oliveira 13 days ago

    1 thing that trigers me is, if it gives you multiple possible sugestions how can you tell that it will cifer a password faster then a normal computer? it will be the same thing as a normal pc, it will still need to try all the possible passwords to see if any of them are correct right?
    am i missing anything there or this is just bulshit? basicly it will need to bruteforce a password to get the solution anyway, so if it is trying to cifer a password from a normal binary system it will still need to insert all the possible choices to find the right one or it will need multiple inputs to find the right password, like an ai program that can be made in a normal binary system

  • Eziø :V
    Eziø :V 13 days ago

    Do does this mean I can finally play Fortnite with over 9000FPS and 0.1 Ping?

  • Universal Raven
    Universal Raven 13 days ago

    Thanks for teaching me how computers work better than my current computer engineering teacher does and aslo thank you for making me fall out of my chair in amazement for science

  • Coldeny
    Coldeny 13 days ago


  • Chill Dawg
    Chill Dawg 13 days ago +3

    You heard it AUSSIE SCIENCE
    Crackin a cold one with the boys, while making quantam computers

    • Pyrohawk
      Pyrohawk 11 days ago

      just give it a few hundred percent extra budget and time, and we will be running them in no time!

  • MahirCanCode
    MahirCanCode 13 days ago

    I know how to crash a quantum computer ;)
    while 7>4 {

  • turtle hacker music
    turtle hacker music 13 days ago

    Can we play fortnite on it if so what’s its fps

  • Andrew Stroev
    Andrew Stroev 14 days ago

    Imagine if your PC had a quantum chip in it

  • Andrew Stroev
    Andrew Stroev 14 days ago

    Schrödinger's cat

  • Mac attack zach
    Mac attack zach 14 days ago

    You lost me right before superposition

  • Atomix
    Atomix 15 days ago

    So How does one find out the other quantum pair in entanglement??

  • Bryce Fields
    Bryce Fields 15 days ago

    This is confusing


    I sometimes i see people go into best buy (don’t go there they scam you i just buy movies) say i want smart box thingy

    Most of them were adults

  • Arthas Menethil
    Arthas Menethil 16 days ago

    i know its dumb but i always wonder what computers would be like if transistors were trinary/ternary (could go 3 directions) instead of binary (2 ways).

    ZALGO 16 days ago

    Nice Rick and Morty Reference

  • Peter The Fox
    Peter The Fox 16 days ago +1

    I think Quantum Computers going public is going to absolutely alot of things like online banking since it can just locate primes in seconds

  • Doby Industries
    Doby Industries 16 days ago

    Something being everything at once until observes is not correct. It’s one just we can’t tell until we observe it. Just as Schrödinger’s cat is not both dead and alive until observed. It is one or the other

  • Doby Industries
    Doby Industries 16 days ago

    Schrödinger’s cat

  • STUT
    STUT 17 days ago

    I need quantum computer

  • Justin Why?
    Justin Why? 17 days ago

    Can u do a vid on crypto pls

  • Sass Squash
    Sass Squash 17 days ago

    Input: Any individual human genome, including a recently-fertilized egg.
    Output: A 3D rendering of the person as an adult, a list of all that person's genetic anomolies, and all manifestations of those anomolies.
    Input: A request to simulate "evolving" any animal's genome including a human, over millions of simulated years, such that it could fly in Earth's atmosphere and gravity.
    Output: A resulting genome of a human with wings.

  • Creepy Bush Kid
    Creepy Bush Kid 17 days ago

    can anyone even understand what he's talking about when he comes to the qubits?

  • namexel play
    namexel play 17 days ago

    Error brain.exe stopped working

  • Whatsapp Status For You


  • Brandon H
    Brandon H 18 days ago

    I know I'm late to the party, but could you use quantum entanglement to transfer data faster than the speed of light?

  • The guy who knows da wae

    It's sad because our fathers don't value computer games while it is the work of million of electrons that are working hard to run a game

  • Nicholas Gaming
    Nicholas Gaming 19 days ago

    I need this quantum computer to play Roblox

  • Santo Paraiso
    Santo Paraiso 19 days ago

    Billions and billions of combinations to cracking a code like your password in Mili seconds.A great device to use and run your password hacking software on.

  • Jaymes elliot
    Jaymes elliot 19 days ago

    can they run PUBG on high settings?

    well can they??

  • TheAntiParadox
    TheAntiParadox 19 days ago


  • Blue phoenix
    Blue phoenix 20 days ago

    Brain.exe stopped working

  • biraescudero
    biraescudero 20 days ago

    This subject is so simple... Why not explain it faster?

  • atlmyk
    atlmyk 20 days ago +2

    Okay so how many 7 year olds processing in parallel will it take to create Skynet?

  • Ford Focus RS '17
    Ford Focus RS '17 21 day ago

    Who the fuck actually understood this video 100%
    If you did you're really smart

  • Kamran Hussain
    Kamran Hussain 21 day ago

    Great music!

  • Ty Kenyon
    Ty Kenyon 21 day ago

    Dig the Pokémon themed music

  • Alexandru Pulhac
    Alexandru Pulhac 21 day ago

    wait, what?

    YUNG ACHI 21 day ago

    But can it run Fortnite?

  • KubekCzekoladyHD
    KubekCzekoladyHD 21 day ago

    There's no limits

  • Neltwo
    Neltwo 22 days ago


  • Mr. President
    Mr. President 22 days ago

    I just died. "How familiar are you with the gear wars exactly?"

  • valentina lopez
    valentina lopez 22 days ago

    version en español por favor

  • Jeff
    Jeff 22 days ago

    *But can it run minecraft at max settings?*

  • shismohammad mulla
    shismohammad mulla 23 days ago

    Awsome video

  • Der Stoff aus dem Joghurt gemacht ist

    We just abused the System

  • Jason Behrend
    Jason Behrend 24 days ago

    The gear wars from rick and morty 👌🏻

  • Han Myohset
    Han Myohset 24 days ago

    Error 404 in my brain

  • TT AA
    TT AA 25 days ago

    I like this video which i will never understand ❤️

  • Ice_Wallow_Pnas
    Ice_Wallow_Pnas 25 days ago

    well now quantum computing is becoming a thing

  • the ghost gamer 2017
    the ghost gamer 2017 25 days ago

    You shall not pass!

  • SoloMidLaner
    SoloMidLaner 25 days ago

    So.. magic?

  • Francesco Rizzo
    Francesco Rizzo 26 days ago

    Update: a photonic computer has been created. it doesn't need to be cooled . google "optical computing" or "photonic computing"

  • Fabian
    Fabian 26 days ago

    Awesome explanation and animation! Which program do you use?
    BTW, bist du deutsch? ^^ wegen dem Kurzgesagt :D

  • HackneyedStudios
    HackneyedStudios 26 days ago

    I live in Australia and a key scientist in the development of the quantum computer lives down the road from me and her son goes to the same school as me.

  • J D
    J D 27 days ago

    But, can it run crysis?

    Ha, yes I know, I'm joking 😅

  • Faisal
    Faisal 27 days ago

    1 build a quantum computer
    2 calculate new prime numbers
    3 sell them for billions
    4 ....
    5 profit

  • Mark Schultz
    Mark Schultz 27 days ago

    A quantum computer can analyze a hole 1 TB hard drive while only analyzing 1 MB.

  • : O
    : O 27 days ago +1

    The only thing I don't understand is this "looking at something" thing.

    • gabsprado121212
      gabsprado121212 23 days ago

      Watch the Kurzgesagt's "String theory" video and they'll explain the whole "looking part" to you