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Ask HN: Do we need "metadata in source code" syntax that LLMs will never delete?

1•andrewstuart•2m ago•1 comments

Pentagon cutting ties w/ "woke" Harvard, ending military training & fellowships

https://www.cbsnews.com/news/pentagon-says-its-cutting-ties-with-woke-harvard-discontinuing-milit...
2•alephnerd•5m ago•1 comments

Can Quantum-Mechanical Description of Physical Reality Be Considered Complete? [pdf]

https://cds.cern.ch/record/405662/files/PhysRev.47.777.pdf
1•northlondoner•5m ago•1 comments

Kessler Syndrome Has Started [video]

https://www.tiktok.com/@cjtrowbridge/video/7602634355160206623
1•pbradv•8m ago•0 comments

Complex Heterodynes Explained

https://tomverbeure.github.io/2026/02/07/Complex-Heterodyne.html
2•hasheddan•8m ago•0 comments

EVs Are a Failed Experiment

https://spectator.org/evs-are-a-failed-experiment/
2•ArtemZ•20m ago•3 comments

MemAlign: Building Better LLM Judges from Human Feedback with Scalable Memory

https://www.databricks.com/blog/memalign-building-better-llm-judges-human-feedback-scalable-memory
1•superchink•21m ago•0 comments

CCC (Claude's C Compiler) on Compiler Explorer

https://godbolt.org/z/asjc13sa6
2•LiamPowell•23m ago•0 comments

Homeland Security Spying on Reddit Users

https://www.kenklippenstein.com/p/homeland-security-spies-on-reddit
3•duxup•25m ago•0 comments

Actors with Tokio (2021)

https://ryhl.io/blog/actors-with-tokio/
1•vinhnx•27m ago•0 comments

Can graph neural networks for biology realistically run on edge devices?

https://doi.org/10.21203/rs.3.rs-8645211/v1
1•swapinvidya•39m ago•1 comments

Deeper into the shareing of one air conditioner for 2 rooms

1•ozzysnaps•41m ago•0 comments

Weatherman introduces fruit-based authentication system to combat deep fakes

https://www.youtube.com/watch?v=5HVbZwJ9gPE
3•savrajsingh•42m ago•0 comments

Why Embedded Models Must Hallucinate: A Boundary Theory (RCC)

http://www.effacermonexistence.com/rcc-hn-1-1
1•formerOpenAI•43m ago•2 comments

A Curated List of ML System Design Case Studies

https://github.com/Engineer1999/A-Curated-List-of-ML-System-Design-Case-Studies
3•tejonutella•47m ago•0 comments

Pony Alpha: New free 200K context model for coding, reasoning and roleplay

https://ponyalpha.pro
1•qzcanoe•52m ago•1 comments

Show HN: Tunbot – Discord bot for temporary Cloudflare tunnels behind CGNAT

https://github.com/Goofygiraffe06/tunbot
2•g1raffe•54m ago•0 comments

Open Problems in Mechanistic Interpretability

https://arxiv.org/abs/2501.16496
2•vinhnx•1h ago•0 comments

Bye Bye Humanity: The Potential AMOC Collapse

https://thatjoescott.com/2026/02/03/bye-bye-humanity-the-potential-amoc-collapse/
3•rolph•1h ago•0 comments

Dexter: Claude-Code-Style Agent for Financial Statements and Valuation

https://github.com/virattt/dexter
1•Lwrless•1h ago•0 comments

Digital Iris [video]

https://www.youtube.com/watch?v=Kg_2MAgS_pE
1•vermilingua•1h ago•0 comments

Essential CDN: The CDN that lets you do more than JavaScript

https://essentialcdn.fluidity.workers.dev/
1•telui•1h ago•1 comments

They Hijacked Our Tech [video]

https://www.youtube.com/watch?v=-nJM5HvnT5k
2•cedel2k1•1h ago•0 comments

Vouch

https://twitter.com/mitchellh/status/2020252149117313349
37•chwtutha•1h ago•6 comments

HRL Labs in Malibu laying off 1/3 of their workforce

https://www.dailynews.com/2026/02/06/hrl-labs-cuts-376-jobs-in-malibu-after-losing-government-work/
4•osnium123•1h ago•1 comments

Show HN: High-performance bidirectional list for React, React Native, and Vue

https://suhaotian.github.io/broad-infinite-list/
2•jeremy_su•1h ago•0 comments

Show HN: I built a Mac screen recorder Recap.Studio

https://recap.studio/
1•fx31xo•1h ago•1 comments

Ask HN: Codex 5.3 broke toolcalls? Opus 4.6 ignores instructions?

1•kachapopopow•1h ago•0 comments

Vectors and HNSW for Dummies

https://anvitra.ai/blog/vectors-and-hnsw/
1•melvinodsa•1h ago•0 comments

Sanskrit AI beats CleanRL SOTA by 125%

https://huggingface.co/ParamTatva/sanskrit-ppo-hopper-v5/blob/main/docs/blog.md
1•prabhatkr•1h ago•1 comments
Open in hackernews

New math revives geometry's oldest problems

https://www.quantamagazine.org/new-math-revives-geometrys-oldest-problems-20250926/
144•pykello•4mo ago

Comments

OgsyedIE•4mo ago
It's been a while since I left math for industry but I once heard that the shape and contents of "the space of all problem sets and solution sets for enumerative geometry on arbitrary n-manifolds" is something that is amenable to investigation through something called Gromov-Witten theory. I did a quick number of searches on GW theory just now and cannot decipher the results so I still don't know if that claim had any merit to it but a sanity check suggests there's no obvious computational reason that it couldn't be true for n=2 or 3.
hn-ifs•4mo ago
I enjoyed reading that, but understood absolutely none of it.
dmbche•4mo ago
Same - I get the gist, but "how many lines lie on a cubic face" doesn't make sense as a question to me, what is a "line" in this context? I struggle to understand the issue as my only understanding is that the face is divided by line width which determines how many lines, but that's nonsensical and non interesting.

As an aside (again, as a layperson) I've had this feeling with most Quanta articles, it's interesting and I feel like I get the gist but that's all. Kinda like it's both too simplified and touching on too deep concepts to tie together the article.

Sorry for the rambling.

Edit0: how many straight lines going through the whole length of the face it is on on a cubic surface. Honestly, I just hadn't really pictured a cubic surface to start with - that was the main part. Had that picture been higher up I think I would have liked the article right away! Thank you peeps

OgsyedIE•4mo ago
Google is actually still fairly decent for this kind of query. Just type:

27 lines on a cubic surface

Into the search bar and go to the image results. It will 'click' mentally in practically no time at all.

ecesena•4mo ago
There’s a picture at the bottom. I think the text there is a bit more clear (maybe?): you have a cubic surface and want to see if there’s any “straight line” that lives/lies on the surface. It turns out there’s 27 lol.
gsf_emergency_2•4mo ago
YouTube and wikipedia are better than quantmag for this

(Clebsch or Klein surfaces)

https://en.wikipedia.org/wiki/Cubic_surface#/media/File:Cleb...

https://youtu.be/lLBOiiFs87Q

https://en.wikipedia.org/wiki/Clebsch_surface

https://nathanfieldsteel.github.io/2019/10/15/27-Lines.html

jandrewrogers•4mo ago
For the articles from Quanta where I have a lot of prior knowledge, which is decidedly a small fraction of them, I think they mostly do a good job of accurately conveying the gist. It gives me more confidence in the articles that are outside my wheelhouse.

Quanta is one of the few examples in popular media I can think of where the Gell-Mann Amnesia effect does not seem to be operative. Or at least, if they are shoveling slop then they have a preternatural ability to hide it.

nenenejej•4mo ago
A circle can be in or out, so two states. 2 ^ 3 = 8.

Not a proof but just something visual I noticed.

xandrius•4mo ago
That would imply that given the number of points (in this case 3) there would always be an answer.

For, example would it hold if we put the restriction to 4, 5 or 10 points?

ufocia•4mo ago
"Slide whichever circle is smaller entirely inside the bigger one, and now the answer is zero: You can’t draw any lines that touch each circle only once."

This sounds false. If the smaller circle is at the edge of the larger one, it is still entirely inside the larger one while a tangent line could touch both of them at the edge.