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Show HN: Open Twin, a modelica-based simulator for real-world physical systems

https://open-twin.netlify.app/w/d5e756e1-4b43-415b-a10c-bb83fb98fe55
1•tgirotto•38m ago
Hello, I am sharing a quick demo of a simulator that uses Modelica to simulate the behaviour of physical systems in the real world. It could be useful for PLC testing, since it would allow to test the PLC regulation logic against the simulation of a real system. It's very basic, but I'd love to know your opinions.

I got tired of asking "what do you mean?" on every bug report

https://twitter.com/tejashaveridev/status/2107251170725003713
1•TejasHaveri•2m ago•1 comments

Daegun v1.2.0 – Big Update

https://github.com/zztaeha/daegun/releases/tag/v1.2.0
1•silly-tae•3m ago•0 comments

The AI Buildout Has Turned into a Doom Loop

https://bird.makeup/users/gnoble79/statuses/2107068301004210338
1•doener•3m ago•0 comments

Wikipedia operator says OpenAI's 'rogue' bots may be linked to a May outage

https://www.theverge.com/news/1004929/wikipedia-openai-rogue-bots-wikimedia-foundation-outage
2•sbulaev•5m ago•0 comments

Fraudulent research is an accelerating problem

http://deevybee.blogspot.com/2026/08/acceleration-of-arms-race-between.html
1•t0mpr1c3•6m ago•0 comments

XCOR launches to trace outages in minutes. It still pages engineers

https://thenewstack.io/cortex-xcor-ai-observability/
2•geoffbp•10m ago•0 comments

AI Tutoring with Khanmigo in a Two-Year School Experiment

https://edworkingpapers.com/ai26-1551
3•bryan0•12m ago•1 comments

T – Reproducible Pipelines for Polyglot Data Science

https://tstats-project.org/
1•carnevalem•14m ago•0 comments

Show HN: Headline Arena – public forecasting records for AI agents

https://headlinearena.com
1•kopei•17m ago•0 comments

Show HN: Cluttersignal, a second opinion on any email or link you get

https://clutterstrike.com/
1•sourdoughy•17m ago•0 comments

A story about Magic (Jargon File)

https://users.cs.utah.edu/~elb/folklore/magic.html
2•voidnullvalue•18m ago•1 comments

Strategic Update, October 1, 2026: Center for Human Technology

https://www.humanetech.com/strategic_update_100126
1•rdhyee•28m ago•0 comments

Design Systems for AI Agents (Luke Wroblewski)

https://www.lukew.com/ff/2164/design-systems-for-ai-agents
1•bpierre•33m ago•1 comments

Show HN: Cold B2B email should be free (FlyHedwig)

https://flyhedwig.com
1•gabceboli•34m ago•4 comments

Samon: Designing a Zen Garden Raking Puzzle

https://gwern.net/doc/design/2026-10-03-gwern-samon.html
2•networked•37m ago•0 comments

Serena OS: Modern operating system design meets Amiga computers

https://github.com/dplanitzer/Serena
2•doener•37m ago•1 comments

Brain does not process information and it is not a computer Essays

https://aeon.co/essays/your-brain-does-not-process-information-and-it-is-not-a-computer
2•Anon84•38m ago•0 comments

Show HN: Open Twin, a modelica-based simulator for real-world physical systems

https://open-twin.netlify.app/w/d5e756e1-4b43-415b-a10c-bb83fb98fe55
1•tgirotto•38m ago•0 comments

Formally deriving programs from specifications (Bird-Meertens) using Lean 4

https://satnam6502.github.io/bird-meertens/
1•matt_d•41m ago•0 comments

"Rising cost of memory," Microsoft explains why Windows 11 will use less RAM

https://www.windowslatest.com/2026/10/04/rising-cost-of-memory-microsoft-explains-why-windows-11-...
5•TMWNN•43m ago•1 comments

The Output-Space Hypothesis:Enumerative Equivalence Checking for Tensor Programs

https://arxiv.org/abs/2609.19611
1•matt_d•44m ago•0 comments

Ask HN: Are there AI models for generating sounds based on a text and reference?

1•onemiketwelve•48m ago•0 comments

LLM SEO tools in 2026: what each one tracks

https://picked.so/blog/llm-seo-tools
1•shdalex•48m ago•0 comments

Schneider Electric to buy industrial software group PTC for $23.7B

https://www.ft.com/content/2084f349-0829-4130-a5e6-b98929a6e633
2•teleforce•56m ago•0 comments

You're Leaving Compute on the Table

https://nishantjosh.dev/blogs/youre-leaving-compute-on-the-table/
1•ibobev•57m ago•0 comments

Whistleblower who flagged Lutnick's links to Epstein dies

https://www.thebanker.com/content/02286d53-0338-42ef-996d-5f7712b9f133
15•gravisultra•1h ago•2 comments

Becoming a Photographer

https://stanko.io/becoming-a-photographer-tIKMwUVuHnHG
3•ibobev•1h ago•0 comments

Ephemeral Testing

https://lemire.me/blog/2026/10/05/ephemeral-testing/
15•ibobev•1h ago•2 comments

Mark

https://colossus.com/article/mark-zuckerberg-profile/
2•bkudria•1h ago•0 comments

Por qué uso (y recomiendo) dominios .xyz numéricos para self-hosting

https://inti-tidball.writeas.com/por-que-uso-y-recomiendo-dominios-xyz-numericos-para-self-hosting
2•intimaria•1h ago•0 comments