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The IBM Q quantum computer looks nothing like a classical computer.

IBM now has 18 quantum computers, an increase of three this quarter that underscores the company's effort to benefit from a revolutionary type of computing. Dario Gil, head of IBM Research and a champion of its quantum computing effort, disclosed the number at the Big Blue's Think conference Wednesday.

Eighteen quantum computers might not sound like a lot. But given that each one is an unwieldy device chilled within a fraction of a degree above absolute zero and operated by Ph.D. researchers, it's actually a pretty large fleet. In comparison, Google's quantum computers lab near Santa Barbara, California, has only five machines, and Honeywell only has six quantum computers.

Quantum computing is no longer in its infancy, but it's probably only made it to early toddlerhood. The technology today remains exotic and expensive, with largely unproven benefits. But companies like IBM, Google, Microsoft, Intel and Honeywell along with startups like IonQ, Quantum Circuits and Rigetti Computing are racing to bring quantum computing to maturity. Their hope is to cash in on customers' desire to solve classes of computing problems that are impossible for conventional computers.

IBM's fleet of quantum computers has increased to 18.

You're not likely to ever have your own quantum computer since they're so hard to operate, surrounded by hulking cooling equipment and isolated from outside interference that spoils calculations. Instead, you'll be able to tap into them via cloud computing services. So far, 230,000 people have done so with IBM's Q Experience, Gil said.

IBM is working to make its quantum computers accessible to mere mortals, not just those who understand the weird physics concepts like superposition and entanglement that make quantum computers tick. It's doing so by packaging computational operations into standard recipes it calls circuits that apply a sequence of transformations to qubits, the quantum data storage elements that are far more adaptable than conventional computers' bits.

One sequence of operations forms a circuit to help JP Morgan Chase set prices for financial derivatives and another helps Daimler perform physics simulations to try to improve electric vehicle battery chemistry.

Computing will become a hybrid approach with libraries of quantum computing circuits embedded in classical programs, Gil predicted. And a third flavor, computers inspired by the neurons in human brains, will add another option.

"It is not that one will eat the other," Gil said. "The most profound implication of what is happening today in computing is the convergence of bits, neurons and qubits."

IBM believes those quantum circuits, embedded within ordinary software, will make quantum computing much more broadly accessible. And now it's begun a new business strategy of touting the approach -- "circuits as a service."

"That's where we're going," Gil said in a CNET interview. "If we do that well, that's going to expose quantum computing to a much larger group of humans."

Dario Gil, head of IBM Research, shows off one of IBM's 18 quantum computers during its Think conference.

IBM will still offer low-level access to its systems for those who want to squeeze the most out of the hardware, though.

Tirias Research analyst Kevin Krewell likes the strategy. "Rather than reinventing a programming language, they added libraries for Python," a widely used conventional programming language. "But you can also get 'dirty' with the Qiskit platform," IBM's low-level quantum programming tools, he said.

IBM is on a path to at least double the performance of its quantum computers every year, something it's done for four years running so far. It scores its machines on a measurement it invented called quantum volume, which tracks both the number of qubits in a machine and the reduction in error rates that hobble quantum calculations.

IBM's quantum computing rivals haven't generally signed up to use the same benchmark, but the most notable one that has is Honeywell. It's building a different variety of quantum computer -- an ion trap machine that can run at somewhat less frosty temperatures than IBM's superconducting designs. And Honeywell promises its machines will increase quantum volume by a factor of 10 each year, a much faster pace than IBM.

Gil said he's confident of IBM's approach for years to come, though, which is backed by insights gleaned from IBM Research's investigations. IBM's top-performing quantum computer, codenamed Paris, has 53 qubits. IBM will increase that with a larger system later this year that Gil declined to detail, but he said Big Blue's approach will work beyond a million qubits.

That progress will come in part by miniaturizing hardware and stuffing more of it into the cryostat -- the supercooled chamber that houses the quantum computing processor and a complicated arrangement of wires that carry microwave signals used to operate it, Gil said. Part of that change will come through processor technology better able to run at such cold temperatures.

Is Gil worried Honeywell will leapfrog IBM? Ion trap machines have potential, but "we've done our homework," he said. Honeywell didn't immediately respond to a request for comment.

Operating a cloud computing service is also tough, Gil said. But he welcomes the competition. "It's a great thing that Honeywell is pushing an ambitious road map."

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IBM now has 18 quantum computers in its fleet of ... - CNET

It's easy to take time's arrow for granted - but the gears of physics actually work just as smoothly in reverse. Maybe that time machine is possible after all?

An experiment from 2019 shows just how much wiggle room we can expect when it comes to distinguishing the past from the future, at least on a quantum scale. It might not allow us to relive the 1960s, but it could help us better understand why not.

Researchers from Russia and the US teamed up to find a way to break, or at least bend, one of physics' most fundamental laws of energy.

The second law of thermodynamics is less a hard rule and more of a guiding principle for the Universe. It says hot things get colder over time as energy transforms and spreads out from areas where it's most intense.

It's a principle that explains why your coffee won't stay hot in a cold room, why it's easier to scramble an egg than unscramble it, and why nobody will ever let you patent a perpetual motion machine.

It's also the closest we can get to a rule that tells us why we can remember what we had for dinner last night, but have no memory of next Christmas.

"That law is closely related to the notion of the arrow of time that posits the one-way direction of time from the past to the future," said quantum physicist Gordey Lesovik from the Moscow Institute of Physics and Technology.

Virtually every other rule in physics can be flipped and still make sense. For example, you could zoom in on a game of pool, and a single collision between any two balls won't look weird if you happened to see it in reverse.

On the other hand, if you watched balls roll out of pockets and reform the starting pyramid, it would be a sobering experience. That's the second law at work for you.

On the macro scale of omelettes and games of pool, we shouldn't expect a lot of give in the laws of thermodynamics. But as we focus in on the tiny gears of reality - in this case, solitary electrons - loopholes appear.

Electrons aren't like tiny billiard balls, they're more akin to information that occupies a space. Their details are defined by something called the Schrdinger equation, which represents the possibilities of an electron's characteristics as a wave of chance.

If this is a bit confusing, let's go back to imagining a game of pool, but this time the lights are off. You start with the information a cue ball in your hand, and then send it rolling across the table.

The Schrdinger equation tells you that ball is somewhere on the pool table moving around at a certain speed. In quantum terms, the ball is everywhere at a bunch of speeds some just more likely than others.

You can stick your hand out and grab it to pinpoint its location, but now you're not sure of how fast it was going. You could also gently brush your finger against it and confidently know its velocity, but where it went... who knows?

There's one other trick you could use, though. A split second after you send that ball rolling, you can be fairly sure it's still near your hand moving at a high rate.

In one sense, the Schrdinger equation predicts the same thing for quantum particles. Over time, the possibilities of a particle's positions and velocities expands.

"However, Schrdinger's equation is reversible," said materials scientist Valerii Vinokur from the Argonne National Laboratory in the US.

"Mathematically, it means that under a certain transformation called complex conjugation, the equation will describe a 'smeared' electron localising back into a small region of space over the same time period."

It's as if your cue ball was no longer spreading out in a wave of infinite possible positions across the dark table, but rewinding back into your hand.

In theory, there's nothing stopping it from occurring spontaneously. You'd need to stare at 10 billion electron-sized pool tables every second and the lifetime of our Universe to see it happen once, though.

Rather than patiently wait around and watch funding trickle away, the team used the undetermined states of particles in a quantum computer as their pool ball, and some clever manipulation of the computer as their 'time machine'.

Each of these states, or qubits, was arranged into a simple state which corresponded to a hand holding the ball. Once the quantum computer was set into action, these states rolled out into a range of possibilities.

By tweaking certain conditions in the computer's setup, those possibilities were confined in a way that effectively rewound the Schrdinger equation deliberately.

To test this, the team launched the set-up again, as if kicking a pool table and watching the scattered balls rearrange into the initial pyramid shape. In about 85 percent of trials based on just two qubits, this is exactly what happened.

On a practical level, the algorithms they used to manipulate the Schrdinger equation into rewinding in this way could help improve the accuracy of quantum computers.

It's not the first time this team has given the second law of thermodynamics a good shake. A couple of years ago they entangled some particles and managed to heat and cool them in such a way they effectively behaved like a perpetual motion machine.

Finding ways to push the limits of such physical laws on the quantum scale just might help us better understand why the Universe 'flows' like it does.

This research was published in Scientific Reports.

A version of this article was first published in March 2019.

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Physicists Have Reversed Time on The Smallest Scale Using a Quantum Computer - ScienceAlert

Archer employees working the specialised conduction atomic power microscopy instrumentation required to carry out the measurements.

Archer Supplies has introduced a milestone in its race to construct a room-temperature quantum computing quantum bit (qubit) processor, revealing it has efficiently carried out its first measurement on a single qubit part.

Weve got efficiently carried out our first measurement on a single qubit part, which is crucial part, marking a big interval shifting ahead within the improvement of Archers 12CQ quantum computing chip expertise, CEO Dr Mohammad Choucair stated.

Constructing and working the 12CQ chip requires measurements to be efficiently carried out on the very limits of what may be achieved technologically on this planet at present.

See additionally:Australias bold plan to win the quantum race

Choucair stated immediately proving room-temperature conductivity of the 12CQ chip qubit part advances Archers improvement in direction of a working chip prototype.

Archer stated conductivity measurements on single qubit elements had been carried out utilizing conductive atomic power microscopy that was configured utilizing state-of-the-art instrumentation techniques, housed in a semiconductor prototype foundry cleanroom.

The measurements immediately and unambiguously proved, with nanometre-scale precision, the conductivity of single qubits at room-temperature in ambient environmental circumstances (e.g. within the presence of air, moisture, and at regular atmospheric pressures, Archer stated in a press release.

It stated the measurements progress its technological improvement in direction of controlling quantum info that reside on particular person qubits, which is a key componentry requirement for a working quantum computing qubit processor.

One other key part is readout.

Management have to be carried out previous to readout, as these subsequent steps characterize a logical sequence within the 12CQ quantum computing chip perform, Archer wrote.

See additionally: Whats quantum computing? Understanding the how, why and when of quantum computer systems

In saying final week it was progressing work on its graphene-based biosensor expertise, Archer stated it was specializing in establishing industrial partnerships to convey its work out of the lab and convert it into viable merchandise.

Archer on Monday stated it intends to develop the 12CQ chip to be bought immediatelyand have the mental property rights to the chip expertise licensed.

The technological significance of the work is inherently tied to the industrial viability of the 12CQ expertise. The room-temperature conductivity doubtlessly allows direct entry to the quantum info saved within the qubits by the use of electrical present alerts on-board moveable gadgets, which require conducting supplies to function, for each management and readout, Choucair added.

He stated the intrinsic supplies function of conductivity in Archers qubit materials right down to the one qubit stage represents a important industrial benefit over competing qubit proposals that depend on insulating supplies, equivalent to diamond-based supplies or photonic qubit architectures.

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The Amsterdam University of Applied Sciences (AUAS) together with the Centre for Mathematics and Computer Science (CWI) are launching a joint endeavor the applied quantum computing professorship and research group. Under the direction of Marten Teitsma, the research group will be tasked with investigating the future feasibility of quantum research applications, as well as exploring the possibilities of developing Qusofts quantum algorithms and protocols into applications.

While the new applied quantum computing position is being established within the Quantum Delta Netherlands Foundation, which aims to accelerate quantum technology and innovation in the Netherlands, the post itself is only recognized as a special professorship. This is because the professorship is being established for only a certain period of time, as it relies on the availability of funding. In its founding, the program is cofunded by the Taskforce for Applied Research SIA.

With this special research group, Dutch higher professional education will be connected to a major global development, expresses professor by special appointment and program leader, Teitsma. The consequences of quantum technology are not yet foreseeable but will potentially affect our lives in many ways.

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AUAS and CWI sponsor applied quantum computing research group - Bits&Chips

Saadi brings more than 20 years of executive leadership and experience in strategy development and IT transformation

Quantum Computing Inc () has appointed noted information technology expert and industry thought leader Majed Saadi to serve on the companys technical advisory board.

In a statement Thursday, the company said Saadi brings more than 20 years of executive leadership and experience in strategy development and IT transformation, as well as functional knowledge in the domains of cloud computing, platform development, enterprise architecture, and enterprise systems management.

Saadi has held senior positions at large federal systems integrators, value-added resellers and consulting firms, where he has been responsible for codifying capabilities and offerings, as well as supporting technical innovation. He has also supported the mission of federal agencies and commercial and educational organizations.

He currently serves in a divisional senior management position at a global aerospace and defense company, focused on the deployment of major networks and systems for government and commercial customers.

Majeds experience in the large IT systems integrator domain will help advance our go-to-market strategy, and particularly in positioning QCI as a key partner to integrators," said Quantum Com[uting CEO Robert Liscouski in a statement.

His knowledge and skills as a large-company CTO and focus on mission-centric systems will also enable us to better present our software capabilities as clients look to quantum technologies to enhance their business applications.

Saadi is a frequent speaker at industry conferences and symposiums on topics ranging from public health IT to the impact of cloud computing on modern organizations. He earned his Bachelor of Science in Computer Science from Notre Dame University and a Masters Degree in IT Management from the University of Virginia.

I am excited to join QCIs advisory board during this pivotal period in its development and commercial launch, and help the company deliver on the tremendous promise of quantum computing technologies to power some of the worlds greatest computational and processor-intense applications, Saadi said.

Staffed by experts in mathematics, quantum physics, supercomputing, financing and cryptography, Leesburg, Virginia-based Quantumis developing an array of applications to allow companies to exploit the power of quantum computing to their advantage.

The company is placing a gargantuan bet on the power of quantum computers to solve the most difficult and intractable problems in the fields of portfolio management, big data and artificial intelligence.

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Quantum Computing appoints IT expert and industry thought leader Majed Saadi to technical advisory board - Proactive Investors USA & Canada