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What happens when US economic data becomes unreliable

https://mitsloan.mit.edu/ideas-made-to-matter/what-happens-when-us-economic-data-becomes-unreliable
23•inaros•32m ago•2 comments

Montana passes Right to Compute act (2025)

https://www.westernmt.news/2025/04/21/montana-leads-the-nation-with-groundbreaking-right-to-compu...
146•bilsbie•3h ago•94 comments

1M context is now generally available for Opus 4.6 and Sonnet 4.6

https://claude.com/blog/1m-context-ga
1021•meetpateltech•1d ago•424 comments

Baochip-1x: What it is, why I'm doing it now and how it came about

https://www.crowdsupply.com/baochip/dabao/updates/what-it-is-why-im-doing-it-now-and-how-it-came-...
192•timhh•2d ago•26 comments

An Ode to Bzip

https://purplesyringa.moe/blog/an-ode-to-bzip/
10•signa11•1h ago•1 comments

Python: The Optimization Ladder

https://cemrehancavdar.com/2026/03/10/optimization-ladder/
153•Twirrim•3d ago•48 comments

NMAP in the Movies

https://nmap.org/movies/
49•homebrewer•1h ago•6 comments

Cookie jars capture American kitsch (2023)

https://www.eater.com/23651631/cookie-jar-trend-appreciation-collecting-history
12•NaOH•23h ago•1 comments

Megadev: A Development Kit for the Sega Mega Drive and Mega CD Hardware

https://github.com/drojaazu/megadev
84•XzetaU8•8h ago•5 comments

AI Gets Wrong Woman Jailed for Six Months, Life Ruined

https://www.youtube.com/watch?v=mzS7dmCUzcQ
6•vaxman•6m ago•1 comments

9 Mothers Defense (YC P26) Is Hiring in Austin

https://jobs.ashbyhq.com/9-mothers?utm_source=x8pZ4B3P3Q
1•ukd1•3h ago

Wired headphone sales are exploding

https://www.bbc.com/future/article/20260310-wired-headphones-are-better-than-bluetooth
322•billybuckwheat•2d ago•549 comments

Show HN: GitAgent – An open standard that turns any Git repo into an AI agent

https://www.gitagent.sh/
18•sivasurend•3h ago•1 comments

Philosoph Jürgen Habermas Gestorben

https://www.spiegel.de/kultur/philosoph-juergen-habermas-mit-96-jahren-gestorben-a-8be73ac7-e722-...
89•sebastian_z•3h ago•30 comments

Everything you never wanted to know about visually-hidden

https://dbushell.com/2026/02/20/visually-hidden/
9•PaulHoule•4d ago•3 comments

Online astroturfing: A problem beyond disinformation

https://journals.sagepub.com/doi/10.1177/01914537221108467
27•xyzal•1h ago•8 comments

RAM kits are now sold with one fake RAM stick alongside a real one

https://www.tomshardware.com/pc-components/ram/fake-ram-bundled-with-real-ram-to-create-a-perform...
177•edward•7h ago•120 comments

XML Is a Cheap DSL

https://unplannedobsolescence.com/blog/xml-cheap-dsl/
183•y1n0•5h ago•185 comments

Nominal Types in WebAssembly

https://wingolog.org/archives/2026/03/10/nominal-types-in-webassembly
23•ingve•4d ago•12 comments

Show HN: Channel Surfer – Watch YouTube like it’s cable TV

https://channelsurfer.tv
570•kilroy123•3d ago•167 comments

UBI Is Your Productivity Dividend – The Only Way to All Share What We All Built

https://scottsantens.substack.com/p/universal-basic-income-is-your-productivity
9•2noame•54m ago•0 comments

Mouser: An open source alternative to Logi-Plus mouse software

https://github.com/TomBadash/MouseControl
401•avionics-guy•22h ago•130 comments

The Isolation Trap: Erlang

https://causality.blog/essays/the-isolation-trap/
116•enz•2d ago•47 comments

Digg is gone again

https://digg.com/
327•hammerbrostime•22h ago•335 comments

Hammerspoon

https://github.com/Hammerspoon/hammerspoon
330•tosh•22h ago•120 comments

Can I run AI locally?

https://www.canirun.ai/
1340•ricardbejarano•1d ago•323 comments

Starlink Militarization and Its Impact on Global Strategic Stability

https://interpret.csis.org/translations/starlink-militarization-and-its-impact-on-global-strategi...
63•msuniverse2026•8h ago•74 comments

Secure Secrets Management for Cursor Cloud Agents

https://infisical.com/blog/secure-secrets-management-for-cursor-cloud-agents
32•vmatsiiako•4d ago•5 comments

I found 39 Algolia admin keys exposed across open source documentation sites

https://benzimmermann.dev/blog/algolia-docsearch-admin-keys
148•kernelrocks•18h ago•43 comments

Recursive Problems Benefit from Recursive Solutions

https://jnkr.tech/blog/recursive-benefits-recursive
40•luispa•3d ago•23 comments
Open in hackernews

Parametric Modeling with Grasshopper

https://baharmon.github.io/basics
40•downboots•10mo ago

Comments

ddkto•10mo 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•10mo 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•10mo 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•10mo 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•10mo ago
You seem insightful on this subject. What other parametric design tools, techniques or technologies do you consider noteworthy?
Duanemclemore•10mo 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•10mo 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•10mo 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•10mo 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