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Show HN: I built a tiny LLM to demystify how language models work

https://github.com/arman-bd/guppylm
98•armanified•3h ago•8 comments

Gemma 4 on iPhone

https://apps.apple.com/nl/app/google-ai-edge-gallery/id6749645337
458•janandonly•8h ago•124 comments

Show HN: YouTube search barely works, I made a search form with advanced filters

https://playlists.at/youtube/search/
90•nevernothing•3h ago•62 comments

LÖVE: 2D Game Framework for Lua

https://github.com/love2d/love
221•cl3misch•1d ago•91 comments

Microsoft hasn't had a coherent GUI strategy since Petzold

https://www.jsnover.com/blog/2026/03/13/microsoft-hasnt-had-a-coherent-gui-strategy-since-petzold/
251•naves•9h ago•141 comments

Artemis II crew see first glimpse of far side of Moon [video]

https://www.bbc.com/news/videos/ce3d5gkd2geo
434•mooreds•13h ago•329 comments

Eight years of wanting, three months of building with AI

https://lalitm.com/post/building-syntaqlite-ai/
661•brilee•14h ago•208 comments

Copilot is 'for entertainment purposes only', per Microsoft's terms of use

https://techcrunch.com/2026/04/05/copilot-is-for-entertainment-purposes-only-according-to-microso...
31•airstrike•3h ago•9 comments

Endian wars and anti-portability: this again?

https://dalmatian.life/2026/04/03/endian-wars-and-anti-portability-this-again/
20•awilfox•1d ago•19 comments

Running Gemma 4 locally with LM Studio's new headless CLI and Claude Code

https://ai.georgeliu.com/p/running-google-gemma-4-locally-with
208•vbtechguy•10h ago•54 comments

Sheets Spreadsheets in Your Terminal

https://github.com/maaslalani/sheets
16•_____k•1d ago•3 comments

Employers use your personal data to figure out the lowest salary you'll accept

https://www.marketwatch.com/story/employers-are-using-your-personal-data-to-figure-out-the-lowest...
98•thisislife2•2h ago•35 comments

Show HN: Gemma Gem – AI model embedded in a browser – no API keys, no cloud

https://github.com/kessler/gemma-gem
16•ikessler•3h ago•1 comments

In Japan, the robot isn't coming for your job; it's filling the one nobody wants

https://techcrunch.com/2026/04/05/japan-is-proving-experimental-physical-ai-is-ready-for-the-real...
134•rbanffy•4h ago•147 comments

Why Switzerland has 25 Gbit internet and America doesn't

https://sschueller.github.io/posts/the-free-market-lie/
278•sschueller•8h ago•222 comments

Show HN: Modo – I built an open-source alternative to Kiro, Cursor, and Windsurf

https://github.com/mohshomis/modo
16•mohshomis•3h ago•2 comments

The Mechanics of Steins Gate (2023) [pdf]

https://github.com/Votuko/steins-gate-mechanics/blob/main/The%20Mechanics%20of%20Steins%20Gate%20...
53•Ariarule•5h ago•9 comments

OpenAI's fall from grace as investors race to Anthropic

https://www.latimes.com/business/story/2026-04-01/openais-shocking-fall-from-grace-as-investors-r...
102•1vuio0pswjnm7•3h ago•59 comments

Music for Programming

https://musicforprogramming.net
118•merusame•8h ago•51 comments

Recall – local multimodal semantic search for your files

https://github.com/aayu22809/Recall
11•patel_aayushya•3h ago•7 comments

Apex Protocol – An open MCP-based standard for AI agent trading

https://apexstandard.org/
10•andmerm•2h ago•2 comments

A tail-call interpreter in (nightly) Rust

https://www.mattkeeter.com/blog/2026-04-05-tailcall/
134•g0xA52A2A•12h ago•22 comments

Computational Physics (2nd Edition) (2025)

https://websites.umich.edu/~mejn/cp2/
109•teleforce•11h ago•17 comments

Stamp It All Programs Must Report Their Version – Michael Stapelberg

https://michael.stapelberg.ch/posts/2026-04-05-stamp-it-all-programs-must-report-their-version/
4•gurjeet•1h ago•0 comments

Wavelets on Graphs via Spectral Graph Theory (2009)

https://arxiv.org/abs/0912.3848
29•dedalus•5d ago•2 comments

Nanocode: The best Claude Code that $200 can buy in pure JAX on TPUs

https://github.com/salmanmohammadi/nanocode/discussions/1
168•desideratum•12h ago•24 comments

Caveman: Why use many token when few token do trick

https://github.com/JuliusBrussee/caveman
716•tosh•18h ago•313 comments

LLMs can't justify their answers–this CLI forces them to

https://wheat.grainulation.com/
4•volatilityfund•2h ago•1 comments

Show HN: Mdarena – Benchmark your Claude.md against your own PRs

https://github.com/HudsonGri/mdarena
12•hudsongr•3h ago•1 comments

Friendica – A Decentralized Social Network

https://friendi.ca/
135•janandonly•16h ago•49 comments
Open in hackernews

Parametric Modeling with Grasshopper

https://baharmon.github.io/basics
40•downboots•11mo ago

Comments

ddkto•11mo ago
It’s hard to believe this is the first time I’ve seen Grasshopper on HN!

Just this morning, a colleague showed me a web app for building option exploration that he had vibe coded on Replit that wrapped around existing core logic in a Grasshopper script hosted in RhinoCompute [1].

The combination of visual programming, the tree data structure and Rhino’s geometry engine has made this the de facto standard for parametric design in architecture (sorry, Dynamo…)

[1] https://github.com/mcneel/compute.rhino3d

downboots•11mo ago
Similar interface idea echoed:

Unity

https://game-ace.com/wp-content/uploads/2020/04/Bolt5.gif

Blender

https://blenderartists.org/uploads/default/original/4X/3/0/c...

Chemcad

https://img.informer.com/screenshots/3390/3390423_1.gif

Even KiCad if we stretch the analogy

Would be good to see this for general programs, or with modular AI agents, or for ODE compartment models.

Also of note: https://worrydream.com/ExplorableExplanations

FormFollowsFunc•11mo ago
Am I wrong in thinking that Grasshopper is procedural modeling and not parametric modeling? Parametric modeing is used in software like Solid Works where you don’t have nodes but have parameters, a constraint system and construction history. Solid Works was developed in the 90s while Grasshopper came out in 2007. Another is example is Pro/Engineer from Parametric Technology Company (PTC) which came out in 1988. Patrik Schumacher, an architect coined the term parametricism in 2008. His employees created node graphs in Grasshopper while he just tweaked the parameters. I wonder if that’s why he came up with the term. Grasshopper has parameters but what makes it different from industrial design CAD is that you construct geometry with a series of nodes i.e. a procedure.
Duanemclemore•11mo ago
Grasshopper doesn't have to be used strictly "procedurally" as you can reference in geometry from Rhino. However, some of us try to work as procedurally as possible - creating everything strictly within Grasshopper if at all possible. It -is- also possible to use it as a very strong parametric design tool. There is no looping exposed to the user in a normal gh script - but used in the way I think is best, you're always applying conditional logic to make the data and operations do what you want.

A quick example - you can use what are called gates and filters in Grasshopper, so you can do things like route faces that meet some criterion you've set through one set of operations and those which don't through another. Then you can use pattern matching or other operations to weave the data back together in the proper order...

dmos62•11mo ago
You seem insightful on this subject. What other parametric design tools, techniques or technologies do you consider noteworthy?
Duanemclemore•11mo ago
Hey, I'm not used to feeling "seen" on HN! Architect, architecture professor, and computational designer here. This is a great first intro to Grasshopper. The links he provides near the top are next steps for those interested in more.

I've found that it opens computational design and programming more broadly up to a broader audience. It has found huge purchase in architecture specifically. I would say this is as much cultural as technical, as architects generally are less rigorously systematic and more global in their thought processes. As people who work largely in the visual domain we are also "visual learners" so to speak.

I first started dipping my toe into Grasshopper in about 2010, and feel that I was fairly expert by about 2015. SHAMELESS PLUG [0]. I've used it at a high level since, and taught it extensively.

Most users - almost all for a very long time - used it primarily as a tool to create, draw, and fabricate more crazier geometry easier. And it is certainly good for that. But in using it - and especially in teaching it - I also find that it is excellent to demystify the design process in ways that folks like programmers instinctively understand. That is you have to be able to break complex problems down to a series of atomically small operations, then build those back up to sophisticated outcomes.

Maybe the most valuable aspect of this - both in my practice and teaching - is understanding how to work both as procedurally and parametrically as possible (I'll put more about this under the comment to that end that's already been posted). Many, if not most, of our jewelry pieces are standalone grasshopper files which reference no outside data at all.

Anyway - I have much, much more I could say about: its use in architecture, design, and education; its relation to learning to think and create a rigorous and flexible design process; and more. But it's great to see it here!

[0] Since 2015 my partner and I have run jewelry company X Over Zero - https://xover0.com/ . All of our designs start as my mathematical and geometric explorations, coded in Grasshopper.

p.s. Incidentally I'm also based in the deep south like Mr. Harmon. And - although we must know people in common, sadly this is the first time he's hitting my radar. I'll be emailing him by the end of the night. Thank you OP for bringing him and his work to my attention!

Duanemclemore•11mo ago
If you want to check out the motherlode of other visual programming languages, platforms, etc check out Ivan Reese's Visual Programming Codex.

https://github.com/ivanreese/visual-programming-codex

https://github.com/ivanreese/visual-programming-codex/blob/m...

Although I'm going to have to create a pull request because he doesn't have Flowgorithm on there, which is an excellent tool for teaching the very very first steps of learning to program...

http://flowgorithm.org/

Terrible name, wonderful tool.

msds•11mo ago
It’s fun seeing an uptick of rhino/grasshopper content here lately - two articles in a week?! The McNeel extended universe is a fun place to play around in, and I’ve met lots of great people since I started working on Rhino.
jazzyjackson•11mo ago
Grasshopper is dope. Years ago I used it to pipe in skeleton and RGB mesh data from a Microsoft Kinect and then sent Open Sound Control packets to Pd-extended to trigger sound events with my body. Really great for general purpose event oriented programming

https://youtu.be/VOu3waxAYDw