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

https://openciv3.org/
373•klaussilveira•4h ago•80 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
738•xnx•10h ago•454 comments

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

https://github.com/valdanylchuk/breezydemo
131•isitcontent•5h ago•13 comments

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

https://github.com/pydantic/monty
107•dmpetrov•5h ago•49 comments

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

https://vecti.com
233•vecti•7h ago•109 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
19•quibono•4d ago•0 comments

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

https://github.com/microsoft/litebox
300•aktau•11h ago•149 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
301•ostacke•10h ago•80 comments

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

https://eljojo.github.io/rememory/
152•eljojo•7h ago•117 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
371•todsacerdoti•12h ago•214 comments

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

https://github.com/phreda4/r3
42•phreda4•4h ago•7 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
300•lstoll•11h ago•225 comments

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

https://infisical.com/blog/devops-to-solutions-engineering
99•vmatsiiako•9h ago•32 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/
48•jnord•3d ago•3 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
165•i5heu•7h ago•121 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
134•limoce•3d ago•75 comments

FORTH? Really!?

https://rescrv.net/w/2026/02/06/associative
34•rescrv•12h ago•15 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
222•surprisetalk•3d ago•29 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
5•kmm•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/
950•cdrnsf•14h ago•409 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...
17•MarlonPro•3d ago•2 comments

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

https://andrewjrod.substack.com/p/im-going-to-cure-my-girlfriends-brain
25•ray__•1h ago•4 comments

Claude Composer

https://www.josh.ing/blog/claude-composer
93•coloneltcb•2d ago•67 comments

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

https://docs.smooth.sh/cli/overview
76•antves•1d ago•56 comments

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

https://red.anthropic.com/2026/zero-days/
31•lebovic•1d ago•10 comments

Show HN: Slack CLI for Agents

https://github.com/stablyai/agent-slack
36•nwparker•1d ago•7 comments

How virtual textures work

https://www.shlom.dev/articles/how-virtual-textures-really-work/
22•betamark•12h ago•22 comments

Evolution of car door handles over the decades

https://newatlas.com/automotive/evolution-car-door-handle/
38•andsoitis•3d ago•61 comments

The Beauty of Slag

https://mag.uchicago.edu/science-medicine/beauty-slag
26•sohkamyung•3d ago•3 comments

Planetary Roller Screws

https://www.humanityslastmachine.com/#planetary-roller-screws
33•everlier•3d ago•6 comments
Open in hackernews

Show HN: I built Hispi, an app to design custom jewellery

https://hispi.app
15•camjw•7mo ago
Designing is free and gives you a breakdown of material choices and costs, then you can get a quote if you want to buy the ring. I'm working with around 50 jewellers in London and the UK's Jewellery Quarter but I think just designing a ring is pretty nice.

Comments

exolymph•7mo ago
Put the login gate after you generate a ring, not before. I bounced immediately because it's not worth creating an account without really knowing whether I would be interested. Let potential users invest a little time and start dreaming, so you can take advantage of loss aversion to get signups. Probably also worth adding an option more lowkey than creating an account (which I assume includes setting up a password etc.), like a newsletter that aggregates the best designs every week.

Also, it wasn't obvious to me that the examples in the "Need inspiration?" section were generated, or that I could tweak those designs.

ranie93•7mo ago
Agree. FWIw you can quickly put any email/pw to make an account and it lets you through (i.e. no email verification)
camjw•7mo ago
Ha I only added this because my wife doesn't have gmail. I think this is a problem I don't particularly care about for now - I think the parent commenter is correct in saying that the account wall is in the wrong place, so if I move the wall to where the value is (speak to a jeweler) I can defer email verification for a while.
camjw•7mo ago
Thank you, this feedback is so so useful to me. Login gate when you ask to speak to a jeweller maybe?

> Probably also worth adding [..] a newsletter that aggregates the best designs every week.

Yep this is a great idea, thank you.

> Also, it wasn't obvious to me that the examples in the "Need inspiration?" section were generated, or that I could tweak those designs.

No, its not. I will work on this too, thank you.

ojkewin•7mo ago
I asked it to "add a hamburger to the design" of a 'need inspiration' example and it served an image of a ring with a life like mini hamburger next to the jewel.
hagbard_c•7mo ago
Lucky you, I asked it to design a ring like someone gutted a pig and wrapped the intestines around a finger and all I got was a lousy login prompt.
monster_truck•7mo ago
Takes too long to load
camjw•7mo ago
It does! I had this running on a potato and I didn't realise people were actually going to see this! Very exciting!

EDIT: can you be a bit more specific about which part takes too long to load?

monster_truck•7mo ago
The website
pockybum522•7mo ago
This Serverless Function has timed out.

Your connection is working correctly.

Vercel is working correctly.

504: GATEWAY_TIMEOUT Code: FUNCTION_INVOCATION_TIMEOUT ID: iad1::b6d7d-1751062063140-14fa915b731f

camjw•7mo ago
Thank you this is extremely helpful and now fixed
pockybum522•7mo ago
I designed the wedding ring for my wife, so I had a specific ring in mind to see how well it would do. I used the prompt:

A titanium ring with wavy rails on the sides, incorporating flowers in the middle of the band, where the wavy rails move farthest away from each other. The flowers should be a lily, sunflower, and then a spot for a gem, followed by a lily, sunflower, and then a spot for a gem and then a sunflower. The flowers should be evenly spaced around the whole band.

And it got the basics right, looked good, but it put the gem settings between the flowers, where the wavy rails were closest together. I tried several attempts at putting prompts in the "How should we modify this?" box such as "No, the gem settings should be where the flowers are, but every other flower" and "Don't put the gem settings at the points where the wavy edges are closest together" and it just failed hilariously. No matter how I phrased it, it kept putting the gem settings where the rails were closest together. After three (or it might have been four) attempts I gave up.

I could have explained the entire ring to a jeweler in a short paragraph, and any issues with it could be fixed in a sentence or two. I'm not sure why I need a frustrating middleman. And don't feel bad, this applies to nearly everything I use built on LLMs.

It's a cute toy, but boy are LLMs not remotely ready for production anything. I didn't even bother to give it the other aspects of the ring because if it can't get one of the most basic things in four tries of exceedingly clear language, then why would I keep going?

dmd•7mo ago
I typed in a long description, was immediately sent to a login page. Nope, goodbye.

edit: Wow, even tried logging in (with Google)… and it doesn’t even work anyway. Just bounced me back out.

camjw•7mo ago
Thank you for your feedback, will probably move the login screen a bit later.

For context, people have (unsurprisingly?) been putting some pretty gnarly things into the search box so its not obvious to me whether its good to let people put in things like "an octopus hentai ring" and pay to generate that or not. Probably there is a better solution.