Maybe they can use the same techniques for keeping their product management and feature roadmap for more than an hour.
this post was submitted on 10 Dec 2024
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Which hour ? If they create real quantum computer they can start identifying person that creates reality for all of us, assuming reality is broadcasted by collective mind, I doubt they can do it right now and I am sure the moment they start that person will log out from internet. Good bye then.
About how far does this leave us from a usable quantum processor? How far from all current cryptographic algorithms being junk?
The latest versions of TLS already have support post-quantum crypto, so no, it's not all of them. For the ones that are vulnerable, we're way, way far off from that. It may not even be possible to have enough qbits to break those at all.
Things like simulating medicines, folding proteins, and logistics are much closer, very useful, and more likely to be practical in the medium term.
Is there gov money in folding proteins though? I assume there’s a lot of 3 letter agencies what want decryption with a lot more funding.
There's plenty of publicly funded research for that, yes.
Three letter agencies also want to protect their own nation's secrets. They have as much interest in breaking it as they do protecting against it.
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At least a week, probably more
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Just in time for the fall of American democracy. What could possibly go wrong.
Seeing quantum computers work will be like seeing mathemagics at work, doing it all behind the scenes. Physically (for the small ones) it looks the same, but abstractly it can perform all kinds of deep mathematics.
The weird part is not wanting one. The technology has no mundane applications, as far as I know. It's not like seeing a room-filling supercomputer, or a Silicon Graphics rendering workstation, and imagining what you'd do with all that power, in the distant future of 2010. Nah: quantum computing solves math puzzles. Every program and algorithm sounds like one of those hideous blackboard-filling proofs, where a gleeful teacher tells you to "just" derive by the Pythagorean theorem in frequency-space, and out pops x^e^ + c for some reason.
Thanks to quantum entaglement, quantum computers can search for pathways in the processor simultaneously, making it potentially much better than classical computers. Not only for searching purposes, but also when looking for potential solutions. Seeing that applied to a computer, while keeping in mind that there is something related to quantum mechanics being applied there is fantastic.
I think it would be the first case of applying quantum mechanics directly into the world (no secondary effects, like superconductivity). It would be a computer that actually thinks in quantum, which would broaden our understanding about it much more, when applying it practically.
108 qubits, but error correction duty for some of them?
What size RSA key can it factor "instantly"?
Currently none, I think it's allegedly 2000 qbits to break RSA
afaik, without a need for error correction a quantum computer with 256 bits could break an old 256 bit RSA key. RSA keys are made by taking 2 (x-1 bit) primes and multiplying them together. It is relatively simple algorithms to factor numbers that size on both classsical and quantum computers, However, the larger the number/bits, the more billions of billions of years it takes a classical computer to factor it. The limit for a quantum computer is how many "practical qubits" it has. OP's article did not answer this, and so far no quantum computer has been able to solve factoring a number any faster than your phone can in under a half second.
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