this post was submitted on 13 Sep 2025
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[–] MaghrebiLenin@hexbear.net 33 points 2 days ago

RIP Charlie Kirk you would have loved China's first photonic quantum computer factory

[–] PolandIsAStateOfMind@lemmygrad.ml 27 points 2 days ago* (last edited 2 days ago)

Western game developers: we're gonna make this the minimal requirements for our next shooter

[–] zipper@hexbear.net 19 points 2 days ago (5 children)

quantum computing is still in its very early infancy, literally NOTHING about it is stable yet. we can barely get them to run a dijkstra's algorithm, let alone anything actually useful. if you don't keep the processor cool enough it'll just kill itself, and we're already trying to mass produce them? putting that aside, quantum computers have a very small use case. most things it does, a classical computer can do better. who is the target userbase for this? the very saturated market of theoretical quantum physicists? i am very skeptical of this man

[–] gwysibo@hexbear.net 2 points 1 day ago (1 children)

I know little, but wasn't microsoft hawking some quantum accelerator chip a while back? It was a card like a GPU that you put into a regular PC's expansion slot to do quantum calculations. Expensive (a few thousand) and still niche but seemed like a good enough proof of concept that you can mass manufacture these things

[–] zipper@hexbear.net 2 points 1 day ago

it was built off a theoretical particle (majorana) and as always they conveniently left out some things so from what i remember the chip was fundamentally useless because it barely worked in practice and the existence of the particle it was built on is still very dubious (aka we've got no proof it's actually a thing). read more here

[–] sodium_nitride@hexbear.net 14 points 2 days ago (1 children)

Better to over-invest into quantum computers than under-invest into them.

Plus, technological development bears fruit on the timespan of decades.

[–] zipper@hexbear.net 4 points 2 days ago

field has promise but for the next few years it's not gonna have much use, can't wait for quantum cybersec to become a thing tho

[–] PoY@lemmygrad.ml 1 points 1 day ago* (last edited 1 day ago) (1 children)

quantum encryption? quantum communications?

[–] zipper@hexbear.net 2 points 1 day ago

that too, but classic cybersecurity is already neglected enough in the field, let alone this new and novel technology that nobody has any idea how to properly use yet.

[–] lurker_supreme@hexbear.net 5 points 2 days ago (2 children)

I read something about them being able to crack encryption once they're powerful enough? This was years ago tho

[–] zipper@hexbear.net 4 points 2 days ago

still true but setting quantum computers up is a pain in the ass

[–] blobjim@hexbear.net 2 points 2 days ago* (last edited 2 days ago)

Which is why there is a big focus on post-quantum cryptography so that by the point they're practical to use for that, nobody will be using quantum-computer-vulnerable algorithms.

https://blogs.oracle.com/security/post/post-quantum-cryptography

[–] mactan@lemmy.ml 4 points 2 days ago (1 children)

if I heard about them right, the appeal of photonic ones is they're room temp

[–] zipper@hexbear.net 7 points 2 days ago

second point still stands, but damn they've made a room temp quantum computer? we might be making advances for once.

[–] Evilsandwichman@hexbear.net 16 points 2 days ago

Them Chaanees bilt a quannum campootah and alls it does is break ground? Pfft I coulda dun dat with a shovel

[–] invo_rt@hexbear.net 12 points 2 days ago

How many horsepowers does it have, jack? biden-alert

[–] ExotiqueMatter@lemmygrad.ml 11 points 2 days ago* (last edited 2 days ago) (3 children)

I wish they said more about what they will be able to do with those computers.

[–] caesarsushi404@hexbear.net 11 points 2 days ago (1 children)

Broadly speaking, we'll see exponential advances in simulation/modelling capacity especially related to medicine/industry. Possible advances in space exploration (think: newly discovered materials, energy efficiency). State actors will use quantum computing to crack modern encryption as one of the earliest applications.

[–] space_comrade@hexbear.net 5 points 2 days ago (1 children)

I think it's way too early to talk about any of that, a lot of the stuff quantum computing promises is still only theoretical and so far there hasn't been a single "real" quantum computer that behaves is it does in the theory.

[–] caesarsushi404@hexbear.net 4 points 2 days ago (1 children)

IBM’s roadmap is pretty aggressive, with users projected to start running “large-scale quantum-centric problems by 2029”

With respect to theory, Google’s 105-qubit Willow processor performed a benchmark task in 5 minutes that would take the world's fastest classical supercomputers 10 septillion years to complete.

I’m not sure this stuff is as theoretical or distant as it might feel.

[–] space_comrade@hexbear.net 1 points 1 day ago* (last edited 1 day ago)

I'll believe it when I see it tbh, these companies are known to lie through their teeth about this shit, quantum computing is IMO a bubble not too dissimilar to the AI bubble, just maybe less money overall involved.

[–] yogthos@lemmygrad.ml 4 points 2 days ago

I guess we'll see what happens once they start applying them.

[–] fox@hexbear.net 4 points 2 days ago

If LLMs are any indication they can do a bunch of crap really poorly but most importantly make the line go up