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Solarpunk is happening in Africa

https://climatedrift.substack.com/p/why-solarpunk-is-already-happening
443•JoiDegn•4h ago•213 comments

Dillo, a multi-platform graphical web browser

https://github.com/dillo-browser/dillo
197•nazgulsenpai•5h ago•72 comments

Photos: New Phoenix Microcenter is a 'tech-heaven' for geeks

https://www.phoenixnewtimes.com/arts-culture/micro-center-in-phoenix-a-look-inside-the-new-tech-h...
10•tortilla•31m ago•5 comments

ChatGPT terms disallow its use in providing legal and medical advice to others

https://www.ctvnews.ca/sci-tech/article/openai-updates-policies-so-chatgpt-wont-provide-medical-o...
180•randycupertino•6h ago•173 comments

The state of SIMD in Rust in 2025

https://shnatsel.medium.com/the-state-of-simd-in-rust-in-2025-32c263e5f53d
138•ashvardanian•5h ago•73 comments

New gel restores dental enamel and could revolutionise tooth repair

https://www.nottingham.ac.uk/news/new-gel-restores-dental-enamel-and-could-revolutionise-tooth-re...
274•CGMthrowaway•4h ago•122 comments

Firefox profiles: Private, focused spaces for all the ways you browse

https://blog.mozilla.org/en/firefox/profile-management/
86•darkwater•1w ago•31 comments

Ruby and Its Neighbors: Smalltalk

https://noelrappin.com/blog/2025/11/ruby-and-its-neighbors-smalltalk/
162•jrochkind1•8h ago•91 comments

A Lost IBM PC/at Model? Analyzing a Newfound Old Bios

https://int10h.org/blog/2025/11/lost-ibm-at-model-bios-analysis/
46•TMWNN•3h ago•6 comments

Why aren't smart people happier?

https://www.theseedsofscience.pub/p/why-arent-smart-people-happier
144•zdw•7h ago•269 comments

The shadows lurking in the equations

https://gods.art/articles/equation_shadows.html
247•calebm•9h ago•79 comments

Timing Wheels

https://pncnmnp.github.io/blogs/timing-wheels.html
21•pncnmnp•4d ago•0 comments

Unicode Footguns in Python

https://pythonkoans.substack.com/p/koan-15-the-invisible-ink
12•meander_water•1w ago•0 comments

The Basic Laws of Human Stupidity (1987) [pdf]

https://gandalf.fee.urv.cat/professors/AntonioQuesada/Curs1920/Cipolla_laws.pdf
6•bookofjoe•1h ago•2 comments

An eBPF Loophole: Using XDP for Egress Traffic

https://loopholelabs.io/blog/xdp-for-egress-traffic
195•loopholelabs•1d ago•66 comments

Carice TC2 – A non-digital electric car

https://www.caricecars.com/
175•RubenvanE•9h ago•129 comments

I want a good parallel language [video]

https://www.youtube.com/watch?v=0-eViUyPwso
49•raphlinus•1d ago•29 comments

NY smartphone ban has made lunch loud again

https://gothamist.com/news/ny-smartphone-ban-has-made-lunch-loud-again
183•hrldcpr•10h ago•130 comments

Vacuum bricked after user blocks data collection – user mods it to run anyway

https://www.tomshardware.com/tech-industry/big-tech/manufacturer-issues-remote-kill-command-to-nu...
136•toomanyrichies•4d ago•33 comments

Absurd Workflows: Durable Execution with Just Postgres

https://lucumr.pocoo.org/2025/11/3/absurd-workflows/
79•ingve•2d ago•17 comments

I was right about dishwasher pods and now I can prove it [video]

https://www.youtube.com/watch?v=DAX2_mPr9W8
246•hnaccount_rng•1d ago•120 comments

A P2P Vision for QUIC (2024)

https://seemann.io/posts/2024-10-26---p2p-quic/
84•mooreds•10h ago•37 comments

Learning from failure to tackle hard problems

https://blog.ml.cmu.edu/2025/10/27/learning-from-failure-to-tackle-extremely-hard-problems/
92•djoldman•6d ago•22 comments

Norway reviews cybersecurity after remote-access feature found in Chinese buses

https://scandasia.com/norway-reviews-cybersecurity-after-hidden-remote-access-feature-found-in-ch...
306•dredmorbius•7h ago•168 comments

SPy: An interpreter and compiler for a fast statically typed variant of Python

https://antocuni.eu/2025/10/29/inside-spy-part-1-motivations-and-goals/
223•og_kalu•6d ago•104 comments

Apple App Store frontend source code archive

https://github.com/rxliuli/apps.apple.com
166•redbell•2d ago•28 comments

Internet Archive's legal fights are over, but its founder mourns what was lost

https://arstechnica.com/tech-policy/2025/11/the-internet-archive-survived-major-copyright-losses-...
119•thinkcontext•5h ago•74 comments

Optimism associated with exceptional longevity (2019)

https://www.pnas.org/doi/10.1073/pnas.1900712116
78•RickJWagner•10h ago•64 comments

Microsoft and Google overstate job creation at Chile data centers

https://restofworld.org/2025/data-centers-jobs-microsoft-google-chile/
28•ohjeez•2h ago•7 comments

UPS plane crashes near Louisville airport

https://avherald.com/h?article=52f5748f&opt=0
359•jnsaff2•1d ago•383 comments
Open in hackernews

Parametric Modeling with Grasshopper

https://baharmon.github.io/basics
40•downboots•6mo ago

Comments

ddkto•6mo 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•6mo 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•6mo 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•6mo 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•6mo ago
You seem insightful on this subject. What other parametric design tools, techniques or technologies do you consider noteworthy?
Duanemclemore•6mo 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•6mo 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•5mo 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•5mo 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