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Cowork: Claude Code for the rest of your work

https://claude.com/blog/cowork-research-preview
606•adocomplete•6h ago•319 comments

TimeCapsuleLLM: LLM trained only on data from 1800-1875

https://github.com/haykgrigo3/TimeCapsuleLLM
477•admp•9h ago•197 comments

Postal Arbitrage

https://walzr.com/postal-arbitrage
259•The28thDuck•8h ago•126 comments

Fabrice Bellard's TS Zip (2024)

https://www.bellard.org/ts_zip/
102•everlier•5h ago•41 comments

'I rarely get outside': scientists ditch fieldwork in the age of AI

https://www.nature.com/articles/d41586-025-04150-w
43•Growtika•4d ago•23 comments

Unauthenticated remote code execution in OpenCode

https://cy.md/opencode-rce/
226•CyberShadow•1d ago•63 comments

Date is out, Temporal is in

https://piccalil.li/blog/date-is-out-and-temporal-is-in/
311•alexanderameye•10h ago•103 comments

The Cray-1 Computer System (1977) [pdf]

https://s3data.computerhistory.org/brochures/cray.cray1.1977.102638650.pdf
9•LordGrey•3d ago•1 comments

LLVM: The bad parts

https://www.npopov.com/2026/01/11/LLVM-The-bad-parts.html
278•vitaut•11h ago•55 comments

Show HN: AI in SolidWorks

https://www.trylad.com
124•WillNickols•8h ago•66 comments

Floppy disks turn out to be the greatest TV remote for kids

https://blog.smartere.dk/2026/01/floppy-disks-the-best-tv-remote-for-kids/
494•mchro•12h ago•291 comments

F2 (YC S25) Is Hiring

https://www.ycombinator.com/companies/f2/jobs/cJsc7Fe-product-designer
1•arctech•3h ago

The chess bot on Delta Air Lines will destroy you (2024) [video]

https://www.youtube.com/watch?v=c0mLhHDcY3I
149•cjaackie•5h ago•97 comments

Show HN: Agent-of-empires: OpenCode and Claude Code session manager

https://github.com/njbrake/agent-of-empires
61•river_otter•11h ago•14 comments

Perlsecret – Perl secret operators and constants

https://metacpan.org/dist/perlsecret/view/lib/perlsecret.pod
58•mjs•6d ago•15 comments

Apple picks Google's Gemini to power Siri

https://www.cnbc.com/2026/01/12/apple-google-ai-siri-gemini.html
646•stygiansonic•10h ago•369 comments

Google removes AI health summaries after investigation finds dangerous flaws

https://arstechnica.com/ai/2026/01/google-removes-some-ai-health-summaries-after-investigation-fi...
64•barishnamazov•2h ago•32 comments

Anthropic made a mistake in cutting off third-party clients

https://archaeologist.dev/artifacts/anthropic
214•codesparkle•14h ago•178 comments

Tell HN: DigitalOcean's managed services broke each other after update

16•neilfrndes•54m ago•2 comments

What old tennis players teach us (2017)

https://www.raphkoster.com/2017/09/22/31098/
32•surprisetalk•4d ago•20 comments

Message Queues: A Simple Guide with Analogies (2024)

https://www.cloudamqp.com/blog/message-queues-exaplined-with-analogies.html
73•byt3h3ad•8h ago•21 comments

Ai, Japanese chimpanzee who counted and painted dies at 49

https://www.bbc.com/news/articles/cj9r3zl2ywyo
175•reconnecting•16h ago•60 comments

GitHub: A case study in link maintenance and 404 pages (2013)

https://chrismorgan.info/blog/github-links-case-study/
15•roryokane•5d ago•3 comments

Ansible battle tested hardening for Linux, SSH, Nginx, MySQL

https://github.com/dev-sec/ansible-collection-hardening
51•walterbell•5d ago•10 comments

Zen-C: Write like a high-level language, run like C

https://github.com/z-libs/Zen-C
156•simonpure•12h ago•92 comments

Building a 25 Gbit/s workstation for the SCION Association

https://github.com/scionassociation/blog-25gbit-workstation
66•romshark•9h ago•25 comments

Show HN: Fall asleep by watching JavaScript load

https://github.com/sarusso/bedtime
45•sarusso•7h ago•16 comments

Personal thoughts/notes from working on Zootopia 2

https://blog.yiningkarlli.com/2025/12/zootopia-2.html
310•pantalaimon•5d ago•65 comments

Launch a Debugging Terminal into GitHub Actions

https://blog.gripdev.xyz/2026/01/10/actions-terminal-on-failure-for-debugging/
132•martinpeck•13h ago•56 comments

Reproducing DeepSeek's MHC: When Residual Connections Explode

https://taylorkolasinski.com/notes/mhc-reproduction/
101•taykolasinski•11h ago•30 comments
Open in hackernews

Google removes AI health summaries after investigation finds dangerous flaws

https://arstechnica.com/ai/2026/01/google-removes-some-ai-health-summaries-after-investigation-finds-dangerous-flaws/
64•barishnamazov•2h ago

Comments

dreadsword•1h ago
"Dangerous and Alarming" - it tough; healthcare is needs disruption but unlike many places to target for disruption, the risk is life and death. It strikes me that healthcare is a space to focus on human in the loop applications and massively increasing the productivity of humans, before replacing them... https://deadstack.net/cluster/google-removes-ai-overviews-fo...
bandrami•1h ago
Why does healthcare "need disruption"?
miltonlost•56m ago
The part that needs disrupting is the billionaires who own insurance companies and demand profit from people's health .
zdragnar•29m ago
The profit in insurance is the volume, not the margin. Disrupting it will not dramatically change outcomes, and will require changes to regulation, not business policy.
kunai•4m ago
Agreed. I'd also argue that there will always be the issue of adverse selection, which in any system that doesn't mandate that all individuals be covered for healthcare regardless of risk profile, will continue to raise costs regardless of whether or not margins are good or bad. That dream died with the individual mandate, and if the nation moves even further away from universal healthcare, we will only see costs rise and not fall as companies shoulder more and more of the relative risk.
eru•3m ago
Profit is a small part of overall revenue.
wswin•54m ago
It's inefficient and not living to its potential
bandrami•42m ago
And "disruption" (a pretty ill-defined term) is the solution to that?
plagiarist•23m ago
The inefficiency is the buying of yachts for billionaires.
eru•7m ago
Compare: Google's founders can buy all the yachts they could possibly eat, yet Google Searches are offered for free.

If we could get healthcare to that level, it would be great.

For a less extreme example: Wal-Mart and Amazon have made plenty of people very rich, and they charge customers for their goods; but their entrance into the markets have arguable brought down prices.

dyauspitr•27m ago
Seriously? Spending a night in a hospital results in a $10,000 bill (though the real out of pocket is significantly cheaper. God help you if you have no insurance though). Healthcare in the US is the thing that needs the biggest disruption.
gmueckl•14m ago
But no business is going to fix it. The market is captured. Only a radical change of insurance laws is going to have any impact. Mandate that insurance must be not for profit. Mandate at least decent minimal coverage standards and large insurance pools that must span age groups and risk groups.
eru•4m ago
Many hospitals are already non-profit. That doesn't seem to bring down prices. Why would you think that this would work for insurance?

Profit isn't even a big part of the overall revenue.

> Mandate at least decent minimal coverage standards

I assume you want higher coverage standards than what currently exists? Independently of whether that would be the morally right thing to do (or not), it would definitely increase prices.

> and large insurance pools that must span age groups and risk groups.

Why does your insurance need a pool? An actuary can tell you the risk, and you can price according to that. No need for any pooling. Pooling is just something you do, when you don't have good models (or when regulations forces you).

kunai•7m ago
Disruption, yes, in the sense that the current system needs to be overhauled. But this is a space that's frequented by the SV and VC space and "disruption" has very different connotations, usually in the realm of thought that suggests some SV-brained solution to an existing problem. In some edge cases like Uber/Lyft, this upending of an existing market can yield substantial positive externalities for users. Other "heavy industry" adjacent sectors, not so much. Healthcare and aviation, not so much.

Even SpaceX's vaunted "disruption" is just clever resource allocation; despite their iterative approach to building rockets being truly novel they're not market disruptors in the same way SV usually talks about them. And their approach has some very obvious flaws relative to more traditional companies like BO, which as of now has a lower failure-to-success ratio.

I don't think you'll find many providers clamoring for an AI-assisted app that hallucinates nonexistent diseases, there are plenty of those already out there that draw the ire of many physicians. Where the industry needs to innovate is in the insurance space, which is responsible for the majority of costs, and the captive market and cartel behavior thereof means that this is a policy and government issue, not something that can be solved with rote Silicon Valley style startup-initiated disruption; that I would predict would quickly turn into dysfunction and eventual failure.

Enshittification has done a lot of damage to the concept of "disrupting" markets. It's DOA in risk-averse fields.

harpratap•26m ago
Because insurance companies incentivize upward price momentum. The ones who innovate and bring the prices down are not rewarded for their efforts. Health inflation is higher than headline inflation because of this absence of price pressure
eru•9m ago
I sympthatise with the argument. We should test it against real world data.

Eg your argument would predict that healthcare price inflation is not as bad in areas with less insurance coverage. Eg for dental work (which is less often covered as far as I can tell), for (vanity) plastic surgery, or we can even check healthcare price inflation for vet care for pets.

xnx•1h ago
Ars rips of this original reporting, but makes it worse by leaving out the word "some" from the title.

‘Dangerous and alarming’: Google removes some of its AI summaries after users’ health put at risk: https://www.theguardian.com/technology/2026/jan/11/google-ai...

miltonlost•58m ago
Removing "some" doesn't make it worse. They didn't include "all" AI titles which it would. "Google removes AI health summaries after investigation finds dangerous flaws " is functionally equivalent to "Google removes some of its AI summaries after users’ health put at risk"

Oh, and also, the Ars article itself still contains the word "Some" (on my AB test). It's the headline on HN that left it out. So your complaint is entirely invalid: "Google removes some AI health summaries after investigation finds “dangerous” flaws"

jnamaya•1h ago
chatGPT told me, I am the healthiest guy in the world, and I believe it
leptons•1h ago
Good. I typed in a search for some medication I was taking and Google's "AI" summary was bordering on criminal. The WebMD site had the correct info, as did the manufacturer's website. Google hallucinated a bunch of stuff about it, and I knew then that they needed to put a stop to LLMs slopping about anything to do with health or medical info.
chrisjj•59m ago
s/hallucinated/fabricated/, please.
Terretta•25m ago
arguably: incorrectly guessed*

in a way, all overconfident guessing is a better match for the result than hallucination or fabrication would be

"confabulation", though, seems perfect:

“Confabulation is distinguished from lying as there is no intent to deceive and the person is unaware the information is false. Although individuals can present blatantly false information, confabulation can also seem to be coherent, internally consistent, and relatively normal.”

https://en.wikipedia.org/wiki/Confabulation

* insofar as “guess” conveys an attempt to be probably in the zone

jeffbee•55m ago
Google is really wrecking its brand with the search AI summaries thing, which is unbelievably bad compared to their Gemini offerings, including the free one. The continued existence of it is baffling.
gvedem•28m ago
Yeah. It's the final nail in the coffin of search, which now actively surfaces incorrect results when it isn't serving ads that usually deliberately pretend to be the site you're looking for. The only thing I use it for any more is to find a site I know exists but I don't know the URL of.
InMice•51m ago
Not surprised. Another example is minecraft related queries. Im searching with the intention of eventually going to a certain wiki page at minecraft.wiki, but started to just read the summaries instead. It will combine fan forums discussing desired features/ideas with the actual game bible at minecraft.wiki - so it mixes one source of truth with one source of fantasy. Results in ridiculous inaccurate summaries.
yakattak•10m ago
I find its tricky with games, especially ones as updated as frequently as Minecraft over the years. I've had some of this trouble with OSRS. It brings in old info, or info from a League/Event that isn't relevant. Easier to just go to the insanely curated wiki.
myhf•45m ago
If an app makes a diagnosis or a recommendation based on health data, that's Software as a Medical Device (SaMD) and it opens up a world of liability.

https://www.fda.gov/medical-devices/digital-health-center-ex...

ipython•43m ago
... at the same time, OpenAI launches their ChatGPT Health service: https://openai.com/index/introducing-chatgpt-health/, marketed as "a dedicated experience in ChatGPT designed for health and wellness."

So interesting to see the vastly different approaches to AI safety from all the frontier labs.

Terretta•28m ago
> Google … constantly measures and reviews the quality of its summaries across many different categories of information, it added.

Notice how little this sentence says about whether anything is any good.