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Show HN: Open-source engine running Gemma 4 26B in 2 GB RAM on any M-series Mac

https://github.com/drumih/turbo-fieldfare
291•gitpusher42•2h ago•78 comments

Superlogical

https://www.superlogical.com/
144•yan•2h ago•112 comments

KOReader

https://koreader.rocks/
518•Cider9986•6h ago•168 comments

Handbook.md shows that long policy documents do not reliably govern agents

https://arxiv.org/abs/2607.25398
202•spIrr•4h ago•130 comments

Keychron announces first open-source firmware for gaming mice

https://www.digitalfoundry.net/news/2026/07/keychron-announces-first-open-source-firmware-for-gam...
30•JLO64•1h ago•13 comments

Hugging Face: Anatomy of a frontier-lab agent intrusion

https://huggingface-anatomy-of-frontier-lab-model-intrusion.static.hf.space/index.html
76•dn2k•2h ago•23 comments

PgDog (YC P25) Is Hiring

https://www.ycombinator.com/companies/pgdog/jobs/uWymUYy-founding-software-engineer
1•levkk•42m ago

Document-borne AI worms can self-propagate through Copilot for Word

https://enklypesalt.com/posts/context-collapse-part3-ai-worming-through-word/
242•Canopy9560•5h ago•187 comments

Launch HN: Tokenless (YC S26) – Automatic model switching to save money

https://usetokenless.com/
28•rohaga•1h ago•25 comments

A.I. companies are recruiting electricians and carpenters by the thousands

https://www.nytimes.com/2026/07/29/business/economy/data-center-electricians-training.html
59•thm•2h ago•68 comments

Hamburg's Stadtpark: A Park Built to Be Used

https://alsterrunde.com/hamburgs-stadtpark-a-park-built-to-be-used/
45•mertbio•2d ago•6 comments

The Rust on ESP Book

https://docs.espressif.com/projects/rust/book/
31•AlexeyBrin•4d ago•2 comments

Darktable

https://www.darktable.org/
168•siatko•5h ago•90 comments

Shipping Godot VR and Porting to PSVR2: A Partial Post Mortem

https://www.claire-blackshaw.com/blog/2026/07/shipping-godot-vr-and-porting-to-psvr2-a-partial-po...
74•ibobev•4h ago•0 comments

Self-hosting Kimi K3: 20% more hardware cost, 20% better task resolution

https://aistack.imec-int.com/blog/gpu-self-hosting
44•flifenstein•3h ago•15 comments

Hunter-gatherers introduced fish to a mountain lake 7000 years ago

https://www.newscientist.com/article/2580119-hunter-gatherers-introduced-fish-to-a-mountain-lake-...
93•stevenwoo•2d ago•65 comments

GPT-5.6 vs. Claude Fable 5 for Physical AI, which performs best?

https://juliahub.com/blog/frontier-models-physical-ai-evaluation
39•mbauman•2h ago•7 comments

Cesium DevCon 2026 talks are up, including a keynote from SQLite's creator

https://cesium.com/events/cesium-developer-conference/2026/
28•jasteinerman•2h ago•5 comments

Infrastructure Patterns for Agentic Applications

https://render.com/blog/infrastructure-patterns-for-agentic-applications
23•jacobprall•44m ago•1 comments

Show HN: Qwen Scribe – local transcription and dictation for Apple Silicon

https://github.com/VladUZH/qwen-scribe
27•sidclaw•2h ago•5 comments

More Tailscale tricks for your jailbroken Kindle

https://tailscale.com/blog/jailbroken-kindle-proxy-tun-modes
359•Error6571•12h ago•103 comments

Amiga Graphics Archive

https://amiga.lychesis.net/index.html
121•Bluestein•7h ago•21 comments

Show HN: CheapFoodMap – A map of good meals under $10

https://cheapfoodmap.com/
4•jaep1•43m ago•2 comments

User Interfaces of the Demo Scene

https://www.datagubbe.se/scenegui/
356•zdw•13h ago•60 comments

Show HN: Kedge – Full-stack cloud with forkable VM snapshots and global SQLite

https://kedge.dev/
19•wgjordan•1h ago•4 comments

Disrupting supply chain attacks on NPM and GitHub Actions

https://github.blog/security/supply-chain-security/disrupting-supply-chain-attacks-on-npm-and-git...
69•nyku•5h ago•22 comments

Some thoughts about Anthropic's new cryptanalysis results

https://blog.cryptographyengineering.com/2026/07/29/some-notes-about-anthropics-new-results/
6•supermatou•1h ago•0 comments

SQLite in Production: Optimizing WAL Mode, Concurrency, and VFS Layers

https://micrologics.org/blog/sqlite-in-production-optimizing-wal-mode-concurrency-and-vfs-layers-...
201•ankitg12•10h ago•63 comments

SpecForge – A Platform for Authoring Formal Specifications

https://docs.imiron.io/v/0.5.10/en/tour.html
65•agnishom•7h ago•7 comments

Lisp moving Forth moving Lisp

https://letoverlambda.com/textmode.cl/guest/chap8.html
99•fallat•3d ago•24 comments
Open in hackernews

CipherX applies painless permanent tattoos with dissolving microneedle patches

https://www.designboom.com/technology/cipherx-painless-permanent-tattoos-dissolving-microneedle-patches/
15•surprisetalk•3h ago

Comments

cestith•1h ago
This is neat for small flash pieces. I’m not sure I want to imagine the process for getting a half sleeve of one’s own design applied this way, fifteen millimeter diameter at a time.
randomblock1•54m ago
I don't see why in the future this couldn't be applied to a semi-flexible backing. Probably will be fragile and hard to make but seems possible.
cestith•50m ago
I think that’s the direction the company will take if they are financially successful with their early products. This might actually be a really good technology to license out instead of trying to build a market alone.
echoangle•55m ago
Kind of scary, imagine someone putting an ad in that and placing it on random people without them noticing.

Obviously doesn’t really make sense because if it’s an ad you also know who did it but somehow that’s the first thing that came to mind for me.

yrjrjjrjjtjjr•26m ago
What I imagine is drunk youngsters tattooing a dick on the forehead of their passed out friend as a prank.
geremiiah•46m ago
Capitalism uglifying the world that tiny bit more, so long as we can squeeze some more $$$ out of poor impressionable people...
BugsJustFindMe•37m ago
"Other people like something that I don't like! Oh no!"
orthecreedence•36m ago
I want one with the OpenAI logo!
delecti•29m ago
Neat concept, but the density of needles seems quite low for tattoing, and that is likely why the linework of the tattoos in those pictures is so blurry. While getting tattooed, the needle will puncture skin and deposit ink typically 1500+ times per minute. The most specific that this article gets is saying the patches have "hundreds" of needles. At the high end (999 needles in a patch) this means that this patch has substantially lower resolution than a single minute of being tattooed.

So, it's a neat gimmick, but it'll need a lot of work to be much more than that. It'd be neat for some small pieces to fill space I guess.

And a bit of a tangent, but I also have a pretty strong needle aversion, and I have not found that getting tattooed "feels" like there are any needles involved in the process. I know logically that it is a needle, but subjective process (the pain and visuals) really bears no resemblance to a needle.

pavon•20m ago
Design you own graphics or select from our exclusive collection:

https://mocagh.org/broderbund/printshop-refcard.pdf

dekhn•8m ago
Was this meant seriously? I literally used those graphics 40 years ago (it's from a wonderful program called PrintShop (https://news.ycombinator.com/item?id=41087798)
dekhn•18m ago
Are tattoos normally considered painful? I got my first one recently (a small shoulder tattoo) and it didn't hurt really, more like a cat's tongue rasping against the skin. I have heard my artist has a light touch, and it wasn't a very sensitive area.
lux-lux-lux•11m ago
The shoulder is a very easy place to be tattooed, which is why that area gets recommended for first-timers. Places with less flesh and more bone are much worse; I have tats on the tops of my feet, and those were agonizing.
delecti•10m ago
I think their reputation is exaggerated compared to how painful they actually are, but yes, they have a reputation for being painful, and they can indeed be quite painful. You picked one of the easier places for it.

The worst I've experienced is on the elbow; it felt like my entire skeleton and nervous system were being jackhammered.

mindslight•9m ago
Seems perfect for barcodes...
roughly•8m ago
Unless they’re also coming out with painless permanent tattoo removal as well, this seems like one of those things where removing the friction isn’t actually a good thing. Door knobs and warning signs on one way doors are a design feature, not a bug.
wartywhoa23•2m ago
A perfect technology to mark cattle with QR codes on the forehead.