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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. Check out THE NOVA PROJECT to learn more about dark energy: www.nova.org.au Support us on Patreon so we can make more stuff: https://www.patreon.com/Kurzgesagt?ty=h Get the music of the video here: https://soundcloud.com/epicmountain/quantum-computers https://epicmountainmusic.bandcamp.com/track/quantum-computers http://epic-mountain.com Wakelet: https://wakelet.com/wake/42ji9UMJzN?v=st Or follow us on social media or reddit: http://kurzgesagt.org https://www.reddit.com/r/kurzgesagt https://www.facebook.com/Kurzgesagt https://twitter.com/Kurz_Gesagt THANKS A LOT TO OUR LOVELY PATRONS FOR SUPPORTING US: Tamago231, H.H. Lewis, Kirin Tantinon, David, Max Lesterhuis, Marek Belski, Gisle, Colin Millions, Gregory Wolfe II, Lenoir Preminger, Abel X, Matt Knights, Amjad Al Taleb, Ian Bruce, Kris Wolfgramm, 麒麟 于, Christopher Shaw, 靖羊, Tomas Grolmus, Essena O’Neill, Kyle Messner, Pedro Devoto, Mark Radford, Ann-Marie Denham, Davide Pluda, Rik Vermeer, Justin Ritchie, Nicole White, Whireds, Claus Vallø, Jason Talley, Andrew Wu, Christian Dechery, Michael Howell, Michal Hanus, Cavit, Amary Wenger, JDKBot, Jason Eads, FreedomEagleAmerica, Roberto Maddaloni, TiagoF11, Harsha CS, Abhimanyu Yadav, Tracy Tobkin, Mike Fuchs, Elizabeth Mart, Jacob Wenger, Jeff Udall, Ricardo Affonso, Mauro Boffardi, Audrin Navarro, Troy Ross, Keith Tims, Santiago Perez, James, Jack Devlin, Chris Peters, Kenny Martin, Frederick Pickering, Lena Savelyeva, Ian Seale, Charles Ju, Brett Haugen, David Ramsey, Benjamin Dittes, Michelle Schoen, Albert Harguindey Sanchez, Michael King, Alex Kyriacou Alla Khvatova Thomas Rowan, Siim Sillamaa, David Bennell, Janzen,Bryn Farnsworth, Adam Recvlohe, Manuel Arredondo, Fred McIntyre, Maldock Manrique, Дмитрий, Ishita Bisht, Jake Ludwig, Zach Seggie, Casey Sloan, Myndert Papenhuyzen, rheingold3, AncientCulture, Orion Mondragon, Jan, Michael Kuperman, Alexander Argyropoulos Quantum Computers Explained – Limits of Human Technology Help us caption & translate this video! http://www.youtube.com/timedtext_cs_panel?c=UCsXVk37bltHxD1rDPwtNM8Q&tab=2
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Текстовые комментарии (12187)
Alejandro Gonzalez (40 минут назад)
In short, Star Wars type civilization are coming sooner than we think
Random Tech (2 часа назад)
Can't overclock it Fuck........
Sarah Nagorcka (20 часов назад)
wow, I've looking for this kind of summary for a long time. thank you
Taylor Sulva (1 день назад)
Power Overwhelming - nice Starcraft reference again 😎
Thunder Garcia (1 день назад)
I get it now
Angular (1 день назад)
the summary in 3 lines.
Hack2Craft (2 дня назад)
"5 hundred times smaller than a red blood cells" yes this is what it said
Pay Pal (2 дня назад)
Wouldn't the memory be a bottleneck for these computerzzzz?
ETC Flyer (2 дня назад)
Come on guys it's all vacuum tubes, that's the answer.
S I C K T R I K Z (2 дня назад)
IS THIS GOING TO BE ON THE TEST TOMMOROW
Blackwidow (3 дня назад)
.... my head hurts :(
Jacob Mck (3 дня назад)
I need a computer like this to go on the marianas web
um_animador_qualquer_9696 (4 дня назад)
Brain after video: GIVE ME A BREAK!!
UtaShirokage AMVs (4 дня назад)
What a lovely video!
Dungeon Cheese (4 дня назад)
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 (4 дня назад)
Sooo can I play AoE ll on it, or nah?
Jim Jimulis (5 дней назад)
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 (5 дней назад)
... Me no understand xD
XenoTek 444 (5 дней назад)
How are they going to actually achieve quantum bogosort
Grace Gius (5 дней назад)
do not make quantum computer please
Ambient Morality (2 дня назад)
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 (3 дня назад)
encryption would be obsolete, no?
Ambient Morality (3 дня назад)
why would you not want that?
Ducky Cuber (5 дней назад)
I want a Quantum-phone
dezent (6 дней назад)
Please explain entanglement!
Dame Gruev (6 дней назад)
i pokraj prevodot nisto ne razbrav
deepak golechha (6 дней назад)
Is AI dangerous for us in future
Cubin’ Randomly (6 дней назад)
Or you could just use petrus
lil qwerty (6 дней назад)
Can it play doom???
Mr.no name (7 дней назад)
but can it run crysis
Conner Forbis (7 дней назад)
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 (7 дней назад)
Oh the nerd allusions in this are amazing
Marshal Mathers (8 дней назад)
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 (5 часов назад)
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 (15 часов назад)
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 (3 дня назад)
Well, unless for theoretical physics like in 11D supergravity, E8 or higher-order manifolds
Ambient Morality (3 дня назад)
Specifically, the "5-dimensional space" part sounds like it came from "Imagining the Tenth Dimension", which is an awful video. Nothing after the 4th dimension there is anything scientific at all.
Artur Renato B.B (7 дней назад)
Quantum internet for qbit transmission is already a plan, so much so 39hz in 100ms encoding at a 2m distance via entalglement was achieved. The rest of your idea doesn't make sense.
Deal whidit (9 дней назад)
Self learning AI + quantum computer... Opportunity or threat?
EvilUnicorn UnEvilicorn (9 дней назад)
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 (9 дней назад)
RELEASE THE LEPTONS
Artur Renato B.B (7 дней назад)
>Turns on cathode tube
JZ (9 дней назад)
Mindfuck 😵
Shaher G (10 дней назад)
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 (10 дней назад)
A PC like that could run PUBG!
MegaCraft02 (10 дней назад)
can't then Quantum Computer be used to get passwords super duper easy.
Kamil Biało (10 дней назад)
Can we create a human out of quantum matter?
Ambient Morality (3 дня назад)
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 (7 дней назад)
Even if it exists, no.
Kamil Biało (7 дней назад)
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 (7 дней назад)
Artur Renato B.B yea.. im like cave man 😆 But i get it now 😉
Artur Renato B.B (7 дней назад)
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 (10 дней назад)
i dont get it tf. how does the quantum cpu stop quantum tunneling?
Artur Renato B.B (7 дней назад)
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 (11 дней назад)
Graphene?
the ultimate potato! (11 дней назад)
Brain.exe has stopped working
Francisco Oliveira (12 дней назад)
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 (12 дней назад)
Do does this mean I can finally play Fortnite with over 9000FPS and 0.1 Ping?
Universal Raven (12 дней назад)
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 (12 дней назад)
music.
Chill Dawg (12 дней назад)
You heard it AUSSIE SCIENCE Crackin a cold one with the boys, while making quantam computers
Pyrohawk (10 дней назад)
just give it a few hundred percent extra budget and time, and we will be running them in no time!
MahirCanCode (12 дней назад)
I know how to crash a quantum computer ;) while 7>4 { console.output("Kurzgesagt!"); }
turtle hacker music (12 дней назад)
Can we play fortnite on it if so what’s its fps
Andrew Stroev (13 дней назад)
Imagine if your PC had a quantum chip in it
Andrew Stroev (13 дней назад)
Schrödinger's cat
Mac attack zach (13 дней назад)
You lost me right before superposition
Atomix (14 дней назад)
So How does one find out the other quantum pair in entanglement??
Bryce Fields (14 дней назад)
This is confusing
BAHOICOTDEMMEEMZMEGATRON9000 420BLAZEIT (14 дней назад)
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 (15 дней назад)
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 (15 дней назад)
Nice Rick and Morty Reference
Peter The Fox (15 дней назад)
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 (15 дней назад)
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 (15 дней назад)
Schrödinger’s cat
STUT (16 дней назад)
I need quantum computer
Justin Why? (16 дней назад)
Can u do a vid on crypto pls
Sass Squash (16 дней назад)
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 (16 дней назад)
can anyone even understand what he's talking about when he comes to the qubits?
Creepy Bush Kid (16 дней назад)
like i lost him after the entanglement part
namexel play (16 дней назад)
Error brain.exe stopped working
Whatsapp Status For You (17 дней назад)
Osm
Brandon H (17 дней назад)
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 (17 дней назад)
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 (18 дней назад)
I need this quantum computer to play Roblox
Santo Paraiso (18 дней назад)
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 (18 дней назад)
can they run PUBG on high settings? well can they??
TheAntiParadox (18 дней назад)
wut
Blue phoenix (19 дней назад)
Brain.exe stopped working
biraescudero (19 дней назад)
This subject is so simple... Why not explain it faster?
atlmyk (19 дней назад)
Okay so how many 7 year olds processing in parallel will it take to create Skynet?
Ford Focus RS '17 (20 дней назад)
Who the fuck actually understood this video 100% If you did you're really smart
Kamran Hussain (20 дней назад)
Great music!
Ty Kenyon (20 дней назад)
Dig the Pokémon themed music
Alexandru Pulhac (20 дней назад)
wait, what?
YUNG ACHI (20 дней назад)
But can it run Fortnite?
KubekCzekoladyHD (20 дней назад)
There's no limits
Neltwo (21 день назад)
“QUANTUM NANON TECHNOLOGY CPU”
Mr. President (21 день назад)
I just died. "How familiar are you with the gear wars exactly?"
valentina lopez (21 день назад)
version en español por favor
Jeff (21 день назад)
*But can it run minecraft at max settings?*
shismohammad mulla (22 дня назад)
Awsome video
We just abused the System
Jason Behrend (23 дня назад)
The gear wars from rick and morty 👌🏻
Han Myohset (23 дня назад)
Error 404 in my brain
TT AA (24 дня назад)
I like this video which i will never understand ❤️
Ice_Wallow_Pnas (24 дня назад)
well now quantum computing is becoming a thing
the ghost gamer 2017 (24 дня назад)
You shall not pass!
SoloMidLaner (24 дня назад)
So.. magic?
Francesco Rizzo (25 дней назад)
Update: a photonic computer has been created. it doesn't need to be cooled . google "optical computing" or "photonic computing"
Fabian (25 дней назад)
Awesome explanation and animation! Which program do you use? BTW, bist du deutsch? ^^ wegen dem Kurzgesagt :D
HackneyedStudios (25 дней назад)
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 (26 дней назад)
But, can it run crysis? Ha, yes I know, I'm joking 😅
Faisal (26 дней назад)
1 build a quantum computer 2 calculate new prime numbers 3 sell them for billions 4 .... 5 profit
Mark Schultz (26 дней назад)
A quantum computer can analyze a hole 1 TB hard drive while only analyzing 1 MB.
: O (26 дней назад)
The only thing I don't understand is this "looking at something" thing.
gabsprado121212 (22 дня назад)
Watch the Kurzgesagt's "String theory" video and they'll explain the whole "looking part" to you
Charles Janisch (27 дней назад)
The brain has stopped responding because it could not establish a secure connection to the network of reality. Troubleshooting: Stop doing drugs.

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