frontpage.
newsnewestaskshowjobs

Made with ♥ by @iamnishanth

Open Source @Github

fp.

OpenCiv3: Open-source, cross-platform reimagining of Civilization III

https://openciv3.org/
460•klaussilveira•6h ago•112 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
800•xnx•12h ago•484 comments

Show HN: Look Ma, No Linux: Shell, App Installer, Vi, Cc on ESP32-S3 / BreezyBox

https://github.com/valdanylchuk/breezydemo
154•isitcontent•7h ago•15 comments

Monty: A minimal, secure Python interpreter written in Rust for use by AI

https://github.com/pydantic/monty
149•dmpetrov•7h ago•65 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
48•quibono•4d ago•5 comments

How we made geo joins 400× faster with H3 indexes

https://floedb.ai/blog/how-we-made-geo-joins-400-faster-with-h3-indexes
24•matheusalmeida•1d ago•0 comments

A century of hair samples proves leaded gas ban worked

https://arstechnica.com/science/2026/02/a-century-of-hair-samples-proves-leaded-gas-ban-worked/
89•jnord•3d ago•11 comments

Show HN: I spent 4 years building a UI design tool with only the features I use

https://vecti.com
259•vecti•9h ago•122 comments

Microsoft open-sources LiteBox, a security-focused library OS

https://github.com/microsoft/litebox
326•aktau•13h ago•157 comments

Show HN: If you lose your memory, how to regain access to your computer?

https://eljojo.github.io/rememory/
199•eljojo•9h ago•128 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
322•ostacke•12h ago•85 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
405•todsacerdoti•14h ago•218 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
332•lstoll•13h ago•240 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
20•kmm•4d ago•1 comments

Show HN: R3forth, a ColorForth-inspired language with a tiny VM

https://github.com/phreda4/r3
51•phreda4•6h ago•8 comments

I spent 5 years in DevOps – Solutions engineering gave me what I was missing

https://infisical.com/blog/devops-to-solutions-engineering
113•vmatsiiako•11h ago•36 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
192•i5heu•9h ago•141 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
150•limoce•3d ago•79 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
240•surprisetalk•3d ago•31 comments

Delimited Continuations vs. Lwt for Threads

https://mirageos.org/blog/delimcc-vs-lwt
3•romes•4d ago•0 comments

I now assume that all ads on Apple news are scams

https://kirkville.com/i-now-assume-that-all-ads-on-apple-news-are-scams/
990•cdrnsf•16h ago•417 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
23•gfortaine•4h ago•2 comments

Make Trust Irrelevant: A Gamer's Take on Agentic AI Safety

https://github.com/Deso-PK/make-trust-irrelevant
7•DesoPK•1h ago•4 comments

FORTH? Really!?

https://rescrv.net/w/2026/02/06/associative
45•rescrv•14h ago•17 comments

I'm going to cure my girlfriend's brain tumor

https://andrewjrod.substack.com/p/im-going-to-cure-my-girlfriends-brain
61•ray__•3h ago•18 comments

Evaluating and mitigating the growing risk of LLM-discovered 0-days

https://red.anthropic.com/2026/zero-days/
36•lebovic•1d ago•11 comments

Show HN: Smooth CLI – Token-efficient browser for AI agents

https://docs.smooth.sh/cli/overview
78•antves•1d ago•57 comments

Female Asian Elephant Calf Born at the Smithsonian National Zoo

https://www.si.edu/newsdesk/releases/female-asian-elephant-calf-born-smithsonians-national-zoo-an...
5•gmays•2h ago•1 comments

Show HN: Slack CLI for Agents

https://github.com/stablyai/agent-slack
40•nwparker•1d ago•10 comments

The Oklahoma Architect Who Turned Kitsch into Art

https://www.bloomberg.com/news/features/2026-01-31/oklahoma-architect-bruce-goff-s-wild-home-desi...
21•MarlonPro•3d ago•4 comments
Open in hackernews

New computer model helps reveal how the brain both adapts and misfires

https://now.tufts.edu/2025/10/16/flight-simulator-brain-reveals-how-we-learn-and-why-minds-sometimes-go-course
60•XzetaU8•3mo ago
https://www.nature.com/articles/s41467-025-63994-y

Comments

jt2190•3mo ago
The “flight simulator” here is actually a software “brain simulator” built up from a model of actual brain cell biology. Like weather forecasting models, researchers can tweak various aspects of the brain and see what happens.
IAmBroom•3mo ago
Headline is weirdly both dumbed down, and boosted with tech jargon.
dev_hugepages•3mo ago
As a reminder, you should check the original article (https://www.nature.com/articles/s41467-025-63994-y) to get more extensive and accurate information.
dang•3mo ago
Thanks, we'll put that link in the toptext as well.
foundart•3mo ago
Indeed! Quite interesting.

title: The neural basis for uncertainty processing in hierarchical decision making

abstract: Hierarchical decisions in natural environments require processing uncertainty across multiple levels, but existing models struggle to explain how animals perform flexible, goal-directed behaviors under such conditions. Here we introduce CogLinks, biologically grounded neural architectures that combine corticostriatal circuits for reinforcement learning and frontal thalamocortical networks for executive control. Through mathematical analysis and targeted lesion, we show that these systems specialize in different forms of uncertainty, and their interaction supports hierarchical decisions by regulating efficient exploration, and strategy switching. We apply CogLinks to a computational psychiatry problem, linking neural dysfunction in schizophrenia to atypical reasoning patterns in decision making. Overall, CogLink fills an important gap in the computational landscape, providing a bridge from neural substrates to higher cognition.

nyrikki•3mo ago
For those who are frustrated with the lack of a fleshed out limitations section, it seems well covered under the peer review which is in the link above or directly below [0]

To me the paper is still very interesting, but concerns about computationally intractability and the hardness of approximation questions made me dig deeper.

> Specifically, our model aims to bridge biological circuits and computations of uncertainty in a tractable manner.

> To address this, we have carefully reframed our claims throughout the manuscript to emphasize that the model is a hypothesis generator rather than a definitive representation of biological circuitry.

Under the "All models are wrong, some are useful" I have no doubt this will be useful to some. But I will admit that their claims in the response to Reviewer Comment 4.5 that they "emphasize that the model is a hypothesis generator" doesn't match the published paper IMHO; and that negatively impacted my view of the claims in an admittedly probably unfair manner.

[0] https://static-content.springer.com/esm/art%3A10.1038%2Fs414...

dang•3mo ago
[stub for offtopicness]
thatgerhard•3mo ago
Oh ffs, stop trying to make science "relevant" by these lame titles. Science is cool, just do that.
bcraven•3mo ago
Woe betide those who try to communicate science to a wider audience
benterix•3mo ago
While I agree with you in general, in this particular case the title is really very loosely related to the actual contents of the article.
thatgerhard•3mo ago
I am 200% for communicating science. But while this is titled to attract young minds it's just too old vibed.
thatgerhard•3mo ago
from chatgpt for this article:

“Inside the Matrix: How the Brain Rewrites Reality When Learning Goes Wrong”

“Neural Jedi Training: How the Brain Masters Skills—and Sometimes Turns to the Dark Side”

“Glitch in the Mind: Why Our Brain’s Learning System Sometimes Crashes”

“Braincraft: How We Level Up Knowledge—and Why We Sometimes Rage Quit”

“Neural Flight School: Why the Brain Sometimes Loses Control of the Plane”

“Mind Avengers: When Brain Circuits Team Up—and When They Fight Back”

“Stranger Thoughts: What Brain Simulators Reveal About Learning Gone Weird”

“Control+Alt+Brain: Rebooting How We Learn and Unlearn”

“Mind Simulator 2.0: Debugging the Brain’s Learning Software”

“Fast & Curious: How the Brain Learns at High Speed—Until It Skids Out”

card_zero•3mo ago
Those all impose extraneous ideas on the article as well. "Rewrites reality", indeed. Why does it need to be a metaphor at all? Or a pun, ugh.

"A Cut Above - How the Prefrontal Cortex Dominates the Striatum Like a High-End Hair Salon"

sunscream89•3mo ago
Sounds like the dude is tripping, though I will point out many profound ideas stumble out of the raw mind.

There is something about a hidden power in our minds to reinvent themselves into capable instruments of our own wills.

What these substance craving minds think of as reality is in actuality their thoughts feelings and beliefs.

Undeceiving the self rewrites reality with a sensibly competent version of one’s own self as an actor.

isaacfrond•3mo ago
I don't believe you.

You prompted chatgpt to create movie based titles and then passed it off as regular output.

With the prompt "suggest 10 titles for this article" + the article text, I get the following _normal_ titles.

1. When the Brain Misreads the World: How Uncertainty Shapes Thought and Behavior

2. CogLinks: A Virtual Brain That Teaches Us How the Mind Adapts

3. The Neural Balancing Act: How the Brain Decides Under Uncertainty

4. Modeling Mental Flexibility: Simulating How the Brain Learns and Adapts

5. Inside the Decision Machine: How New Models Reveal the Brain’s Hidden Algorithms

6. Uncertainty, Meaning, and Misfires: Understanding the Neural Roots of Psychiatric Disorders

7. When Circuits Go Off Course: What a Virtual Brain Teaches Us About Mental Illness

8. The Thalamic Switchboard: Linking Flexibility and Habit in the Human Mind

9. From Neurons to Algorithms: Building a Bridge Between Brain Biology and Psychiatry

10. Toward Algorithmic Psychiatry: Simulating Brain Circuits to Decode Mental Disorders

dang•3mo ago
"Please don't pick the most provocative thing in an article or post to complain about in the thread. Find something interesting to respond to instead."

https://news.ycombinator.com/newsguidelines.html

per1•3mo ago
"algorithmic psychiatry" yea, hard pass, but thank you
rs186•3mo ago
Clicked the article because of "flight simulator" even though I should have stopped reading HN -->

Realized that the article has nothing to do with planes -->

Closed the article

DonaldFisk•3mo ago
It's actually an interesting news article, at least if you're interested in neuroscience. I can confirm, though, that it's nothing whatsoever to do with flight simulators, and have no idea why the author chose that particular simile.