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Varyk , (edited )

You’ve been able to buy a quantum computer for years, so trough of disillusionment.

although DARPA has them, so probably making our way through the trough of disillusionment.

DARPA feasibility studies:

theregister.com/…/darpa_quantum_computer_benchmar…

available quantum computers:

quantumzeitgeist.com/how-to-buy-a-quantum-compute…

You’re not going to hear a lot about them the same way people didn’t hear about personal computers back in the '60s, but there are and have been many companies consistently working on improving the accuracy and power of quantum computers.

regular computers were around for decades before being successfully developed into personal machines with commercial utility, quantum computers are kind of in that zone roght mow, big room sized things that have a couple cubits.

but they are real and available, and the field is constantly in development

orclev ,

It’s debatable if D-Wave is actually a quantum computer at least in the sense most people use the term. There’s a lot of unanswered questions still on exactly how to use and design a quantum computer and we’re not likely to get those answers until we can reliably produce and run systems with at least 8 qubits. Maybe DARPA and the military/CIA has such systems, but I don’t think anyone else does.

Quantum computers are still mostly theoretical. We have some of the building blocks of one, but there’s still a few critical pieces missing. Quantum computers are in about the same place as fusion reactors are. Theoretically possible but not currently producible in a form that’s useful without a few more technological breakthroughs.

Varyk ,

If the computers are using qubits instead of bits as processing power, then they’re a quantum computer, as far as i understand.

I think IBM’s most recent chip has a thousand qubits hang on-

IBMs quantum computer has 1121 cubits in their heron chip now in the quantum computer they’re producing now and are working toward 100,000 qubits per processor in the next decade.

forbes.com/…/top-quantum-computing-companies/

Asidonhopo ,

From your article,

What everyone should know, however, is that quantum computing is not yet a practical reality. No company has developed a device that can beat classical supercomputers at anything more than obscure research problems that have no real use.

Until quantum computing has its Alan Turing moment it will remain a curiosity. The power of qubits needs to be yoked as a beast of burden for computation and actual useful problem solving the way that digital computing was with the Turing machine. It’s not a certainty that this will ever happen.

Sometimes I think that believers in quantum computing’s superiority to digital computing are as silly as those who think we’ve almost proven P=NP. But who knows, both might be valid.

Glowstick , (edited )

I think this graph doesn’t have to move left to right, it can also move right to left. On several occasions quantum computing started to move up the “tech trigger” slope, but without any functional applications for the current technology the point slid back down to the left again.

I think the graph needs at least one more demarcated region. After “tech trigger” there needs to be “real world applications”. Without real world applications you can never progress past the tech trigger phase.

In chemistry this is the equivalent of Energy of Activation. If a reaction can’t get over the big first step, then it can’t proceed on to any secondary steps

DrunkenPirate ,

Real world applications is what comes to light at the „Slope of Enlightment“ If QC has some, the tech is at this point.

NeoNachtwaechter ,

Approaching the point of disillusionment.

They started to work, but hardly anyone cares. They are still far from being good, or affordable.

henfredemars ,

One problem with QC is that besting classical computers has been a moving target, improving exponentially for many years while QC was being researched. It’s going to be a long, slow climb up the slope of enlightenment as it reveals its potential.

decerian ,

Well, yes and no.

Quantum computers will likely never beat classical computing on classical algorithms, for exactly the reasons you stated, classical just has too much of a head start.

But there are certain problems with quantum algorithms that are exponentially faster than the classical algorithms. Quantum computers will be better on those problems very quickly, but we are still working on building reliable QCs. Also, we currently don’t know very many quantum algorithms with that degree of speedup, so as others have said there isn’t many use cases for QCs yet.

Gerudo ,

Kind of like cpus and gpus perform radically different depending on what’s fed into it.

cyborganism ,

I dunno if anyone except scientists and security people think about quantum computing at the moment.

Correct me if I’m wrong.

I’d say it’s still at the beginning of the curve. At the technology trigger phase. I don’t hear about it as much as I would expect

Hello_there ,

Domt fkrget about quantum tunneling past the activation barrier

kitnaht ,

Pretty sure QC is down at 0,0 right now. They haven’t gotten it to work in the way it’s been envisioned yet. The theory is there, but until something is quantifiably working, there’s basically no hype behind it.

Davel23 ,

I know they won't be something everyone has in their house

That's what they said about non-quantum computers 80 years ago.

Chocrates ,

I think AI is falling into disillusionment and Quantum Computers feel at least 10 years behind.

pennomi ,

AI is falling into disillusionment for like the 10th time now. We just keep redefining what AI is to mean “whatever is slightly out of reach for modern computers”.

ozymandias117 ,

Somewhere around 0,0 or 1,1

There are amazing possibilities in the theoretical space, but there hasn’t been enough of a breakthrough on how to practically make stable qubits on a scale to create widespread hype

ImWaitingForRetcons ,

I personally think we’re on the slope of enlightenment - quantum computing no longer attracts as much hype as it used to, but in the background, there’s a lot of interesting developments that genuinely might be very important.

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