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Should you turn off your laptop while commuting?

https://www.rnz.co.nz/life/lifestyle/should-you-turn-off-your-laptop-while-commuting
3•billybuckwheat•1m ago•0 comments

Israel escalates attacks on medics in Lebanon with deadly 'quadruple tap'

https://www.theguardian.com/world/2026/apr/16/israel-escalates-attacks-on-medics-in-lebanon-with-...
1•hebelehubele•2m ago•0 comments

Europe has "maybe 6 weeks of jet fuel left"

https://apnews.com/article/iran-war-europe-jet-fuel-flight-cancellations-birol-6e67fafd493861b385...
3•ck2•4m ago•0 comments

Need Help

1•bkabhijeet•6m ago•0 comments

Find bugs with ultrareview in Claude Code

https://code.claude.com/docs/en/ultrareview
1•iBelieve•6m ago•0 comments

Ask HN: What pricing model works for high COGs side project?

1•onemiketwelve•6m ago•0 comments

What is the simplest architecture for running a multi-agent system at scale?

https://www.ashpreetbedi.com/articles/scaling-agentic-software-part-1
1•ashpreet-bedi•6m ago•0 comments

The Kyonghung Cover: The Rarest Item of the Joseon Postal Administration

https://koreastampsociety.org/2025/11/01/the-kyonghung-cover-the-rarest-item-of-the-joseon-postal...
1•georgecmu•6m ago•0 comments

A catalogue of rocky exoplanets in the habitable zone

https://academic.oup.com/mnras/article/547/3/stag028/8526432
1•simonebrunozzi•8m ago•0 comments

Building The payment layer for APIs and AI agents

https://chexhq.com/
1•DhirajKadam27•8m ago•0 comments

2× – nine months later: We did it

https://ideas.fin.ai/p/2x-nine-months-later
2•xfax•13m ago•0 comments

Turn Your Codebase into a Podcast

https://code2cast.com/
6•itswillbrazil•13m ago•0 comments

Our Long Love Affair with Gold

https://www.wsj.com/finance/investing/gold-bullion-market-trading-4456cbde
1•thm•17m ago•0 comments

Two inmates at an Ohio prison built a secret hacking operation from behind bars [pdf]

https://dam.assets.ohio.gov/image/upload/watchdog.ohio.gov/Investigations/2017/2015-CA00043.pdf
2•Anon84•17m ago•0 comments

Show HN: Launchy – A Next.js template for weekly launch directories

https://launchy.tools/template
1•drdruide•18m ago•0 comments

Graupel

https://en.wikipedia.org/wiki/Graupel
1•surprisetalk•20m ago•0 comments

Playdate for Education

https://play.date/education/
2•owlmusic•20m ago•0 comments

Show HN: Compiler outputs HTML for code display

https://denismarkelov.codeberg.page/crates/
1•denismarkelov•20m ago•0 comments

The Quantity Trap: The Dangerous Disconnect Between AI Supply and User Demand

https://www.lupath.ai/
1•LUpath•20m ago•0 comments

The Big Reveal in China's New Five-Year Plan

https://heatmap.news/podcast/shift-key-s3e37-china-five-year-plan
1•leonidasrup•22m ago•1 comments

Android CLI: Build Android apps 3x faster using any agent

https://android-developers.googleblog.com/2026/04/build-android-apps-3x-faster-using-any-agent.html
2•ingve•24m ago•0 comments

Show HN: Online Sound Decibel Meter

https://soundmeterx.com/
2•artiomyak•25m ago•0 comments

Thinking about building agents for humans

https://frontierai.substack.com/p/build-agents-for-humans
2•tajshaik24•25m ago•0 comments

Zipper: the archival utility for macOS you didn't know you needed

1•krishshah5•26m ago•1 comments

Ask HN: How do you maintain flow when vibe coding?

4•fny•26m ago•0 comments

What's the point of the App Store, if it can't protect users?

https://www.macworld.com/article/3115356/whats-the-point-of-the-app-store-if-it-cant-protect-user...
7•cdrnsf•29m ago•0 comments

Ask HN: To open-source, or not to open-source

1•tracker1•29m ago•0 comments

openDoJa — full reimplementation of DoCoMo's DoJa SDK in modern Java

https://github.com/GrenderG/openDoJa
1•Lammy•31m ago•0 comments

Future Long Range Assault Aircraft Officially Named MV-75 Cheyenne II

https://news.bellflight.com/en-US/264304-future-long-range-assault-aircraft-officially-named-mv-7...
1•uticus•31m ago•1 comments

Text of OS age verification bill (HR 8250) [pdf]

https://www.congress.gov/119/bills/hr8250/BILLS-119hr8250ih.pdf
5•asdfglkjh•34m ago•0 comments
Open in hackernews

Show HN: TheorIA – An Open Curated Physics Dataset (Equations,Explanations,JSON)

https://theoria-dataset.github.io/theoria-dataset/
9•ManuelSH•11mo ago
We’re building TheorIA— an open, high quality dataset of theoretical physics results: equations, derivations, definitions, and explanations — all in structured, machine- and human-readable JSON.

Why? Physics is rich with beautiful, formal results — but most of them are trapped in PDFs, LaTeX, or lecture notes. That makes it hard to:

- train symbolic/physics-aware ML models,

- build derivation-checking tools,

- or even just teach physics interactively.

THEORIA fills that gap. Each entry includes:

A result name (e.g., Lorentz transformations)

Clean equations (AsciiMath)

Straightforward step-by-step derivation with reasoning

Symbol definitions & assumptions

Programmatic validation using sympy

References, arXiv-style domain tags, and contributor metadata

Everything is in open, self-contained JSON files. No scraping, no PDFs, just clear structured data for physics learners, teachers, and ML devs.

Contributors Wanted: We’re tiny right now and trying to grow. If you’re into physics or symbolic ML:

Add an entry (any result you love)

Review others' derivations

Build tools on top of the dataset

GitHub https://github.com/theoria-dataset/theoria-dataset/

Licensed under CC-BY 4.0, and we welcome educators, students, ML people, or just anyone who thinks physics deserves better data.

Comments

somethingsome•11mo ago
There are only 3 entries, am I correct?
ManuelSH•11mo ago
Yes, we are at very early stage. Looking for other physics experts to help increasing it.
somethingsome•11mo ago
I like the idea of having a dataset for physics, but those entries are very basics, most of the physics happens with very complicated maths and it will be difficult to make an entry for a lot of physics.

For example, imagine the entry for the standard equation, should all the derivation and symbolic implementation done as a unique entry? It will be difficult to separate it in logical entries that reference each others, and many physical ideas are fundamentally different, leading to divergences.

I have the impression that it should be easier to just parse reference books and format each paragraph/section as an entry, and maybe build a graph. (considering the reference book as authoritative on the subject)

ManuelSH•11mo ago
I guess you mean the Lagrangian of the Standard Model… which I agree, it will be daunting… although there is no limit in a json…

The idea of automatically parsing books is very nice and possibly faster, but note that:

- there are already various datasets of physics papers and such content - the result will be quite different versus what we intent here, which is to have a high quality dataset of physics results with clear derivations (whenever derivation exist)

Maybe we can still use your idea to achieve the last point in some way… maybe there is a book that is already formatted as the dataset and we could use it as a starting point. But I don’t know any.

BrandiATMuhkuh•11mo ago
This is some cools work.

Not sure if it fits but I still have ~20k currated step by step solution for mathematics (pedagogical math) "lying" around from my previous startup. They are all hand currated. And could even be used for fine tuning or so.

Here are some details: The dataset has 20.600 Abstract Exercises which turn into 1.193.958 Concrete Exercises.

An Abstract Exercise looks like this: a + b = c A Concrete Exercise looks like this: 2 + 3 = 5 Tital compiled file size (JSONL): 11.6GB

And here is an explorer to see some of the data https://curriculum.amy.app/ToM

ManuelSH•11mo ago
very nice! maybe you can put this dataset in some repository like github, kaggle or hugging face, if you are not doing anything with it. Can be helpful to train models.