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Where the goblins came from

https://openai.com/index/where-the-goblins-came-from/
289•ilreb•2h ago•128 comments

Craig Venter has died

https://www.jcvi.org/media-center/j-craig-venter-genomics-pioneer-and-founder-jcvi-and-diploid-ge...
169•rdl•3h ago•32 comments

Finetuning Activates Verbatim Recall of Copyrighted Books in LLMs

https://github.com/cauchy221/Alignment-Whack-a-Mole-Code
69•reconnecting•2h ago•30 comments

Zed 1.0

https://zed.dev/blog/zed-1-0
1688•salkahfi•15h ago•542 comments

Functional Programmers need to take a look at Zig

https://pure-systems.org/posts/2026-04-29-functional-programmers-need-to-take-a-look-at-zig.html
50•xngbuilds•2h ago•30 comments

The Zig project's rationale for their firm anti-AI contribution policy

https://simonwillison.net/2026/Apr/30/zig-anti-ai/
93•lumpa•3h ago•24 comments

Noctua releases official 3D CAD models for its cooling fans

https://www.noctua.at/en/3d-cad-models
58•embedding-shape•2d ago•9 comments

Biology is a Burrito: A text- and visual-based journey through a living cell

https://burrito.bio/essays/biology-is-a-burrito
47•the-mitr•2h ago•7 comments

Copy Fail

https://copy.fail/
775•unsnap_biceps•11h ago•308 comments

Copy Fail: 732 Bytes to Root on Every Major Linux Distribution

https://xint.io/blog/copy-fail-linux-distributions
9•eyalitki•34m ago•2 comments

Cursor Camp

https://neal.fun/cursor-camp/
802•bpierre•14h ago•133 comments

FastCGI: 30 years old and still the better protocol for reverse proxies

https://www.agwa.name/blog/post/fastcgi_is_the_better_protocol_for_reverse_proxies
297•agwa•13h ago•69 comments

Joby kicks off NYC electric air taxi demos with historic JFK flight

https://www.flyingmag.com/joby-nyc-electric-air-taxi-jfk-airport/
38•Jblx2•4h ago•79 comments

OpenTrafficMap

https://opentrafficmap.org/
193•moooo99•9h ago•42 comments

Consequences of passing too few register parameters to a C function

https://devblogs.microsoft.com/oldnewthing/20260427-00/?p=112271
44•aragonite•2d ago•21 comments

Creating a Color Palette from an Image

https://amandahinton.com/blog/creating-a-color-palette-from-an-image
44•evakhoury•1d ago•5 comments

Mike: open-source legal AI

https://mikeoss.com/
55•noleary•4h ago•15 comments

HERMES.md in commit messages causes requests to route to extra usage billing

https://github.com/anthropics/claude-code/issues/53262
1063•homebrewer•10h ago•452 comments

Why I still reach for Lisp and Scheme instead of Haskell

https://jointhefreeworld.org/blog/articles/lisps/why-i-still-reach-for-scheme-instead-of-haskell/...
196•jjba23•20h ago•87 comments

Laws of UX

https://lawsofux.com/
232•bobbiechen•12h ago•34 comments

A Grounded Conceptual Model for Ownership Types in Rust

https://cacm.acm.org/research-highlights/a-grounded-conceptual-model-for-ownership-types-in-rust/
24•tkhattra•3h ago•0 comments

Gooseworks (YC W23) Is Hiring a Founding Growth Engineer

https://www.ycombinator.com/companies/gooseworks/jobs/ztgY6bD-founding-growth-engineer
1•shivsak•7h ago

An open-source stethoscope that costs between $2.5 and $5 to produce

https://github.com/GliaX/Stethoscope
233•0x54MUR41•14h ago•95 comments

DRAM Crunch: Lessons for System Design

https://www.eetimes.com/what-the-dram-crunch-teaches-us-about-system-design/
46•giuliomagnifico•1d ago•3 comments

London to Calcutta by Bus

https://www.amusingplanet.com/2022/08/london-to-calcutta-by-bus.html
13•CGMthrowaway•1d ago•5 comments

Vera: a programming language designed for machines to write

https://github.com/aallan/vera
74•unignorant•8h ago•60 comments

We need a federation of forges

https://blog.tangled.org/federation/
546•icy•15h ago•340 comments

Monad Tutorials Timeline

https://wiki.haskell.org/Monad_tutorials_timeline
3•brudgers•1h ago•1 comments

Ramp's Sheets AI Exfiltrates Financials

https://www.promptarmor.com/resources/ramps-sheets-ai-exfiltrates-financials
124•takira•11h ago•38 comments

Lessons from Building an OTel Normalizer for GenAI

https://www.groundcover.com/blog/otel-normalizer-genai-part-1
3•thebitofmyheart•1h ago•0 comments
Open in hackernews

Noctua releases official 3D CAD models for its cooling fans

https://www.noctua.at/en/3d-cad-models
54•embedding-shape•2d ago

Comments

embedding-shape•2d ago
Tweet with image: https://x.com/Noctua_at/status/2048688184314273947

Example download: https://www.noctua.at/en/support/downloads?product=nf-a12x25...

egeozcan•1h ago
> To protect our intellectual property, certain features – such as fan impeller geometries – have been slightly modified while remaining visually very close to the actual product.

Noob question: If someone wants to copy their design with no respect to their intellectual property, can't they just 3D scan?

zbrozek•58m ago
Yes, though the fidelity offered by faithful CAD would be both easier to interpret correctly and might even hint at the CAD feature tree.

Kudos to them for releasing models useful for integration.

egeozcan•43m ago
Yes, by no means did I comment to take away from the great service they are doing to the builders. I'm a Noctua fan!

I was just curious.

dcminter•4m ago
[delayed]
fecal_henge•57m ago
I would think so, or by taking cross sections. Its hard to believe they have some miraculous geometry that needs guarding anyway. Maybe they are trying to dissuade people who might try to 3d print an impeller.

3d models for industrial fan manufacturers (Sanyo,NMB) are widely available.

quanto•47m ago
There could be geometrically tiny optimizations that lead to an outsized impact in noise and flow by turbulence reduction. While optimizing an impeller with computational FSI (fluid structure interaction) is not as hard as before, it still is not trivial. And it's these (perhaps small) optimizations that justify Noctua being 5x more expensive than generic black fan.
fyrn_•18m ago
I believe the tolerances to the fan housing (which reduces turbulence and thus noise), and the the material stiffness needed for that small tolerance, are the alleged reason there are few copycats. Supposedly getting plastic that rigid is hard. I've tried to find hard numbers and validate that claim, but I wasn't able to. Would probably have to measure an actual noctua fan blade to know. On the other hand, metal printing is attainable now..
kernalix7•10m ago
Would have saved me time on a 3D printer I designed a while back. I integrated Noctua fans and ended up measuring mounting dimensions by hand. Having the official CAD models would have made fan integration a lot cleaner.