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

https://openciv3.org/
455•klaussilveira•6h ago•111 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
795•xnx•12h ago•482 comments

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

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

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

https://github.com/pydantic/monty
145•dmpetrov•7h ago•66 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
47•quibono•4d ago•5 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/
87•jnord•3d ago•9 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
23•matheusalmeida•1d ago•0 comments

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

https://vecti.com
258•vecti•9h ago•120 comments

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

https://github.com/microsoft/litebox
323•aktau•13h ago•156 comments

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

https://eljojo.github.io/rememory/
194•eljojo•9h ago•127 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
318•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/
330•lstoll•13h ago•238 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/
190•i5heu•9h ago•137 comments

Learning from context is harder than we thought

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

Delimited Continuations vs. Lwt for Threads

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

Understanding Neural Network, Visually

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

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/
988•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

FORTH? Really!?

https://rescrv.net/w/2026/02/06/associative
44•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•15 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•1h ago•0 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

Is Perplexity the first AI unicorn to fail?

https://medium.com/@anwarzaid76/is-perplexity-the-first-ai-unicorn-to-fail-eb0e827b5e7e
20•MindBreaker2605•2mo ago

Comments

zaphar•2mo ago
As a purely anecdotal datapoint, Perplexity was my first stop search engine for a while. It stopped being my first stop when they starting prompting me constantly to try their browser. Getting in the way of me being able to immediately ask my question drove over to gemini instead. It turned out that Gemini was good enough now so I didn't go back.
rs186•2mo ago
Their mobile app still seems to be usable so far.
brador•2mo ago
Barely. It glitches out from too much mobile CSS nonsense half the time. And it doesn’t let you change model for follow up questions like it used to.
y42•2mo ago
Stopped being my preferred search engine when my company, a big global agency, decided to block all traffic to perplexityity on the company device because they don't allow it's browser to be used. Hilarious.
dbuxton•2mo ago
It’s hard to bet against the foundation models winning consumer use cases where you can reimagine the whole product as a single tool or small number that can be dynamically plugged in to the underlying model and doesn’t require access to proprietary data/custom context.
shalmanese•2mo ago
Most AI written article that was ever AIed. It’s not just a laziness — it’s disrespect towards the reader.
rs186•2mo ago
Medium used to be a decent platform full of high quality articles. Then the quality started to drop. These days, it's full of AI slops, the ones with lower quality.

This is an article I stumbled upon recently: https://medium.com/@saraswatp/understanding-scaled-dot-produ...

Apparently the author did not bother to do basic proofreading of the article even once before posting it.

Yet it showed up at the top of my Google search results. I guess that's the state of today's Internet in a nutshell.

y42•2mo ago
yeah, this is sad and it applies to most platforms who offer user generated content for money (or ad impressions). Not only is the quality decreasing, also it hides actual content from writers that care and put work into their articles.

entshitification at its best...

Esophagus4•2mo ago
The content beast just needs to be fed. Volume seems to be king.

Even this article is mostly just tech gossip, even if it were human generated.

bicepjai•2mo ago
I like the sentiment “it’s disrespect towards the reader.”
JCM9•2mo ago
Perplexity is one small iteration away from just a classic AI wrapper.

It was amazing early on in demonstrating what search could be, but frankly there’s not much reason for it to exist much longer.

The big players can, and are, just replicating its core functionality. The moat is gone.

I’d have to agree that they’re probably near the top of the list of companies about to get wiped out by a bubble deflation. Possible they get acquired by some sucker looking to establish AI creds but the market for that has probably passed as Wall Street is becoming super skeptical of all things AI at the moment.

AJ007•2mo ago
Perplexity had a big advantage over the competition when model hallucination was bad. That gap has narrowed enough for now.

Perplexity beats Google, ChatGPT, and Claude if you want an answer with citations and want it fast. Claude deep research is more thorough, but that's going to be a wait. ChatGPT web search is slower, uses few citations, and looks like more of the answer is coming from the model than the results. It's also possible that the quality and speed of Perplexity would vanish with scale and the only reason they look so good right now is because they have so many fewer users.

The mid to long term problems I see are:

#1 Google could cut them off from Youtube and a big chunk of their value is gone without recourse.

#2 over time the open web is going to shrivel and switch to paid or even die as ad revenue drops and bot traffic increases (already at this point probably, just countermeasures haven't been fully adopted.)

#3 goes with the previous point, more content is going to be AI generated and not fact checked which will dramatically drop the value of the output. This of course is a problem for all LLMs. Google may be the one who has a big advantage here given their advanced AI research and that they already have an index of the pre-LLM internet.

googaar•2mo ago
I’ve always been baffled by how far they were able to get being a straight wrapper. They’re doing incredible tbh.

There are so many wrappers. I feel like companies that are propped up by wrappers will always be competing against basic features being released by <insert AI company>. Wrappers also just feel low effort.

nailer•2mo ago
> Perplexity is increasingly looking like what Silicon Valley dreads most a wrapper.

That is only uneducated people. The ‘wrapper’ is the product people pay for. The ‘wrapper’ gets all the revenue.

xnx•2mo ago
Wrappers are simple to copy, no moat.
nailer•2mo ago
The moat is the relationships and recurring payments are to the company that has the actual customers. Microsoft has the resources to fight Cursor, but they can't.
Esophagus4•2mo ago
Another example of Betteridge’s law:

> Any headline that ends in a question mark can be answered by the word no.

Perplexity is one of my first options for search (and superficial research) at this point.

They just signed a $400m deal with Snapchat. They’ll get acquired or something, worst case. They’ll be fine.

Edit: this might be an interesting case for Polymarket. Retail can’t be on or against private companies, but maybe a prediction market would be good for revealed preferences vs stated preferences here

Havoc•2mo ago
That mirrors my impression - their customer base is the equivalent of fair weather friends (VC money edition)