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  • We are coming to you live from the coldest place in the known universe

  • Well, near it anyway. What would you say if I told you that the headquarters for D-Wave - the world leader in commercial

  • quantum computing systems - is a stone's throw from our warehouse?

  • And what would you say if I told you that they invited us in for a

  • behind-the-scenes tour? Well Linus, I'd probably say that's exactly what I was expecting,

  • given the title and thumbnail of this video, stop wasting my time.

  • Got it. Let's go.

  • Cooler Master's 25th anniversary Edition

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  • So in 2007 D-Wave introduced their first

  • quantum processor. Now, with only 16 qubits,

  • it wasn't especially powerful.

  • But the point wasn't whether you could or couldn't solve the same problems with a pencil and a piece of paper.

  • The point was that this

  • scalable approach would allow them to ship the world's first commercial quantum computer the D-Wave One in

  • 2011 with

  • 128 qubits followed by 512

  • 1000 and

  • 2000 cubic designs in 2013, 2015, and 2017

  • respectively. And adding more qubits is the key to increasing performance because the more qubits you have, the more

  • complex the problems that you can tackle. You see quantum computing doesn't work like

  • classical computing with ones and zeros where you feed it a

  • question and then it spits out an

  • answer. Instead a quantum processor takes all of the parameters you feed it and works on

  • Every solution pointing you at one or two or maybe even more

  • optimal

  • Solutions. So they're not perfect for everything.

  • I don't think there's a single person in this building who expects Call of Duty: Black Ops 10 to run on a D-Wave mach 5

  • Quantum gaming rig or anything like that but for scheduling out of sports teams games over the course of a season

  • For tackling problems like logistics climate change and Energy distribution or for conducting AI research

  • These puppies right here have the potential to completely

  • disrupt the existing players.

  • So then let's go have a look at one shall

  • we? Now there are only a handful of customers in the world who have

  • Actually ponied up the price of a D-Wave system

  • including high Rollers like Lockheed Martin, Los Alamos National Lab, Google, and Nasa. But D-Wave

  • Themselves have a handful of their latest generation 2000

  • Q systems running here at their

  • headquarters that are available through the cloud just make sure that you don't turn off any of the ones with a

  • delightfully Low-Tech "Online" sign zip-tied to it it might be doing very very important research. So from the outside a

  • 2000

  • Q doesn't look that different from any other compute cluster with a few black racks and when you open up door number one

  • There's not much at first glance to indicate that there's anything special about it

  • You'll find a network switch, a UPS for battery backup, a normal server

  • responsible for monitoring some monitoring devices that

  • Wait a minute!

  • seven Eight Degrees Milli

  • Kelvin we're going to have to get back to that later.

  • There's also a second server that takes a

  • problem and translates it into machine code

  • using custom room temperature

  • electronics to generate high precision analog signals that it then sends to, as we promised, just about the

  • coldest place in the known universe

  • The single, yes, just one chip, single code named, Washington,

  • quantum processor at the heart of this machine, but where exactly is it?

  • It's not behind Door 2,

  • or door number 3

  • back there you'll find the first and second stage pumps that are used to create a vacuum around the processor to

  • Thermally insulate it

  • and it's cooling system from the outside world as well as a compressor for the aforementioned cooling system, and

  • You also won't find it in this

  • Barrel shaped

  • Doodad that is actually a liquid nitrogen

  • filter that removes impurities from the Coolant mixture of Helium-3 and Helium-4

  • Isotopes and is one of the things that allows D-Wave systems to run for years at a time a critical feature

  • Given that the chip kind of locks into a certain configuration

  • Once it's supercooled and if you heat one of these puppies up back to room temperature

  • it can take up to two days to cool it back down and up to four weeks to finish the the

  • rebalancing or

  • recalibration process. No, no, to find the actual processor,

  • we have to go past this first door on the left here that handles connecting the

  • all-business racks at the front to the

  • giant box here that was hiding in plain sight that I'll be referring to as the "party in the back" or

  • per D-Wave's gentle suggestion, the

  • "shielded enclosure". This right here is effectively a big faraday cage and the first of

  • sixteen layers of shielding that are designed to shield the Powerlines and

  • preserve the integrity of the

  • signals to and from the quantum processor to the greatest degree possible

  • And that was a very intentional pun by the way now

  • normally these rooms are closed and there is a series of

  • casings on

  • top of this apparatus here to maintain the vacuum around what is effectively the

  • Motherboard of our quantum computer, but they had one open for maintenance today, so we've got to get up close and personal

  • The thing is peppered with probes and sensors,

  • heat exchangers, data wires,

  • but the five big plates are really the main attraction here.

  • Each of them represents a different stage of the cooling system

  • The top one gets signals from the outside world on copper wires and runs on a frosty

  • 70 degrees Kelvin the next one down uses the same fridge and these braided copper

  • conductors to get down to four degrees Kelvin, which is both low enough to Condense helium to a liquid and

  • To switch over from Copper wires to the superconductor

  • Niobium the middle plate here uses vacuum helium for to drop our signal wires to one degree

  • Kelvin the Fourth uses Helium-3

  • To get us to about it to a tenth of that and the final stage uses a sophisticated

  • Mixture of those two isotopes to drive this entire

  • Filtering and shielding apparatus as well as the processor inside

  • down to its typical operating temperature of about oh point zero one five degrees Kelvin damn near

  • Absolute zero

  • But why does it need to be so cold?

  • Niobium already super conducts at nine Degrees, Kelvin

  • interstellar Space is

  • 3.1 degrees Kelvin our solar system is even warmer. We're talking oh point zero one five degrees Kelvin well

  • this

  • Superconducting chip here is what's inside there, and it's connected via four hundred

  • superconducting wires

  • And this is kind of like the pins on a CPU socket and what it's doing if it's using

  • Quantum mechanical effects to process information.

  • So for that to work,

  • these effects need to be significant enough to use them for

  • computation, which means that the temperature needs to be

  • well below

  • the energy scale of those quantum effects if it

  • wasn't, then the data you'd get would be very very noisy,

  • corrupted by heat related quantum effects.

  • That's why the colder they can get, pretty much, the better and getting even colder in the future

  • may actually be practical. So

  • this generation of the waste processors consumes no power and outputs no heat

  • meaning that the 20 kilowatts of power that are required to run system is just

  • Dedicated to the cooling system. So unless they wanted to go colder this energy cost

  • doesn't change whether you're running a hundred cubits or

  • 2,000 cubits, that's just the sweet spot of

  • practicality and functionality

  • Today and more cooling is far from the only thing on the horizon. the future's looking bright for our neighbors here at D-Wave

  • they don't have a

  • 50-Year vision yet necessarily,

  • but in the nearer term they don't really perceive anyone else in the space as a real competitor with a

  • commercializable technology and with more R&D focus they think their system could be as compact as

  • three or four racks and

  • capable of taking on some of the hardest

  • Neural Network problems that we face in the years to come and you know what?

  • Sounds pretty good to me.

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  • So thanks to D-Wave for hosting us here. Thanks to you guys for watching if you dislike this video

  • You know where that button is

  • but if you liked it hit the like button get subscribed, and

  • maybe check out where to buy the stuff we featured at the link in the video description, okay?

  • Less applicable for this video than usual, but we also have links down there to our merch store

  • Which has cool shirts like this one and our community forum which you should totally join

We are coming to you live from the coldest place in the known universe

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