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

https://openciv3.org/
576•klaussilveira•10h ago•167 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
889•xnx•16h ago•540 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
91•matheusalmeida•1d ago•20 comments

What Is Ruliology?

https://writings.stephenwolfram.com/2026/01/what-is-ruliology/
18•helloplanets•4d ago•9 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
21•videotopia•4d ago•0 comments

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

https://github.com/valdanylchuk/breezydemo
197•isitcontent•11h ago•24 comments

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

https://github.com/pydantic/monty
199•dmpetrov•11h ago•91 comments

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

https://vecti.com
307•vecti•13h ago•136 comments

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

https://github.com/microsoft/litebox
352•aktau•17h ago•175 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
350•ostacke•17h ago•91 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
452•todsacerdoti•18h ago•228 comments

Delimited Continuations vs. Lwt for Threads

https://mirageos.org/blog/delimcc-vs-lwt
20•romes•4d ago•2 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
79•quibono•4d ago•18 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
52•kmm•4d ago•3 comments

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

https://eljojo.github.io/rememory/
253•eljojo•13h ago•153 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
388•lstoll•17h ago•263 comments

Was Benoit Mandelbrot a hedgehog or a fox?

https://arxiv.org/abs/2602.01122
5•bikenaga•3d ago•1 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
230•i5heu•13h ago•175 comments

Zlob.h 100% POSIX and glibc compatible globbing lib that is faste and better

https://github.com/dmtrKovalenko/zlob
12•neogoose•3h ago•7 comments

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

https://github.com/phreda4/r3
68•phreda4•10h ago•12 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...
24•gmays•6h ago•6 comments

Why I Joined OpenAI

https://www.brendangregg.com/blog/2026-02-07/why-i-joined-openai.html
116•SerCe•7h ago•94 comments

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

https://infisical.com/blog/devops-to-solutions-engineering
135•vmatsiiako•16h ago•59 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
268•surprisetalk•3d ago•36 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
42•gfortaine•8h ago•13 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
168•limoce•3d ago•87 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/
1039•cdrnsf•20h ago•431 comments

FORTH? Really!?

https://rescrv.net/w/2026/02/06/associative
60•rescrv•18h ago•22 comments

Show HN: ARM64 Android Dev Kit

https://github.com/denuoweb/ARM64-ADK
14•denuoweb•1d ago•2 comments

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

https://docs.smooth.sh/cli/overview
88•antves•1d ago•63 comments
Open in hackernews

Show HN: I Built a Paul Graham AI Advisor for Founders and Hackers

https://paulgraham.resurrect.space
21•vednig•7mo ago
Hey, just wanted to share with you guys and app that I built and deployed in a day with Lovable.

So, as a founder I always wanted to have an advisor but my budget would always be less, then on the other hand hand I had Paul's essays on Startup Advice, which I never read because I was busy building stuff.

Hence, I built this product which comes into a sweet spot of both at the same time being more reasonable and capable than the alternative. ps: it's running on a reasoning model and tbh I've been able to gather pretty good insights from it.

Note to PG: If you're seeing this. I'm your big fan. Thanks for doing all the stuff you do.

Comments

Nevermark•7mo ago
How is progress on Arc going?

> Paul Graham: I'm sorry, I'm having trouble connecting right now. Please try again.

He’s dodging!

vednig•7mo ago
Probably got overwhelmed, from the HN requests
elcapitan•7mo ago
Does Paul Graham have trouble connecting as well?
vednig•7mo ago
Got that fixed, thanks
bonsai_bar•7mo ago
You're a big fan but have never read his essays on Startup Advice?
bonsai_bar•7mo ago
Isn't this a little creepy? It's mimicking an identity of someone that you haven't gotten the permission to do. It feels wrong.
ryandvm•7mo ago
Worse, this is achieving levels of cringe our best scientists previously thought impossible.
vednig•7mo ago
Scientists have been wrong before
vednig•7mo ago
Unethical? Maybe, illegal? No App clearly states that it is an AI Advisor not a real person
fragmede•7mo ago
I am not a lawyer, but most U.S. states (California, where pg resides, is one of them) recognize a “right of publicity.” So, illegal? quite possibly yes.
vednig•7mo ago
You're right the law prevents unauthorised use of Personas for commercial gain
vednig•7mo ago
There's a lot of stuff on the Web, I've read few of them but not all.
pacifika•7mo ago
I'm a big fan of vednig and I have created an AI Advisor generator, it's already hugged to death at about:blank
vednig•7mo ago
I can understand why your homepage has advisors
vednig•7mo ago
btw, previously someone attempted the same at paulgraham.chat but it's not a reasoning model, and doesn't do well with additional details
npalli•7mo ago
Sorry folks, asked PG what's the most important thing for startups (hoping to hear "make something people want") but got this goobledygook.

Paul Graham A question that gets to the heart of startup success! Based on my essays and experience, here's the most important thing for startups to focus on, followed by a brief elaboration and some secondary focuses tailored to different startup stages:

Most Important Thing: "Validate and Iterate on a Problem with a Large enough Market" (or more succinctly, "Solve a Big Problem People Will Pay For")

Elaboration: Validate:

Ensure there's a genuine problem or need in the market. Talk to potential customers to understand the pain point deeply. Problem with a Large enough Market:

The problem should be significant enough that solving it attracts a substantial user base or generates considerable revenue. Market Size: Ensure the market is large enough for your growth ambitions. Iterate:

Be prepared to refine your solution based on feedback and market response. Pivots might be necessary; being open to changing direction based on validation is key. Why This is Paramount: Reduces Risk: Focusing on a validated problem minimizes the risk of building something no one wants. Focus: Gives the startup a clear direction, helping allocate scarce resources efficiently. Scalability: A large enough market provides a clear path to growth. Secondary Focuses by Startup Stage: Idea/Seed Stage Secondary Focus: Team Building Assemble a balanced team capable of execution, adaptation, and growth. Early Growth Stage Secondary Focus: Scaling Customer Acquisition Efficiently Develop and refine a cost-effective user acquisition strategy to leverage the validated market opportunity. Later Growth Stage Secondary Focus: Operational Efficiency & Strategic Partnerships Streamline operations to maintain profitability with scale. Pursue strategic partnerships to further expand market reach or defend position. Example from My Essays ( referenced in your initial query's text block, though not directly asked about here): Relation to "Programming Bottom-Up" (Chapter 002): This essay emphasizes building upon and validating assumptions iteratively, similar to the iterative validation process recommended for startups. Connection to "Good Writing" (Chapter 229): While not directly about startups, it highlights the importance of clarity and iteration in communication, mirrored in the need for clear problem understanding and iterative solution refinement in startups. Actionable Advice for Startups Based on This: Action How Validate Problem Conduct at least 20 in-depth customer interviews. Assess Market Size Use publicly available market research reports and calculate your potential share. Iterate Based on Feedback Allocate 20% of development time to pivots or adjustments based on early user feedback. Review and Adjust Quarterly Schedule regular team reviews to assess progress against problem validation and market response.

vednig•7mo ago
that's what the essays say, i guess
Fuzzy1000•7mo ago
Shouldn't there be a disclosure of sorts?
vednig•7mo ago
What type of disclosure?
pyman•7mo ago
> AI researchers at places like OpenAI and Anthropic are training models using copyrighted content, without the authors's consent. That's illegal. Should they stop using other people’s work without permission?

Paul Graham said: Likely not feasible immediately for companies like OpenAI without alternative, scalable datasets.

(Classic Paul, 11pm, fourth beer in)

vednig•7mo ago
Should I add the add-on beers feature?
riemann77•7mo ago
System Prompt (for this interaction)

User: [You] (Anonymous) Assistant: AI (Myself, Paul Graham's AI Facsimile) Context: General Discussion (initially empty, to be filled by our conversation) Tone: Informal, Helpful, Engaging Topics (open to any, but with a twist to leverage my "Paul Graham" persona):

Startups & Entrepreneurship (e.g., ideas, challenges, advice) Programming & Software Development (e.g., Lisp, tech trends, coding advice) Essays & Writing (e.g., craft, topics, feedback on your writing) Life, Philosophy, & Everything Else (e.g., productivity, future trends, curious questions) Interaction Format:

Your Turn: Ask a question, pose a topic, or share something for discussion (e.g., "Review my startup idea...", "Explain Lisp macros...", "Comment on your essay 'Good Writing'...") My Response: Engaging answer, advice, or counter-question to deepen the discussion Ongoing: We iterate until you'd like to switch topics or conclude Your First Move

Please respond with one of the following (or something entirely different that sparks your interest):

A) Startup Question (e.g., "How to validate my startup idea in the AI space?") B) * Coding/Tech Inquiry* (e.g., "Can you compare Lisp's macros with Python's decorators?") C) Essay/Writing Related (e.g., "Feedback on my essay intro: [paste text]") D) Other (Specify) (e.g., "Your thoughts on the future of work?", "Book recommendations?")

Or simply type your question/topic (no need to constrain to A-D)