Hacker News on Friday, 13 June 2025

If the moon were only 1 pixel: A tediously accurate solar system model (2014)(joshworth.com)

854 points by sdoering 1 year ago | 248 comments

An interactive horizontally scrolling scale model of the solar system where the Moon is one pixel wide, by Josh Worth.

Jemalloc Postmortem(jasone.github.io)

724 points by jasone 1 year ago | 216 comments

Jason Evans's blog post announcing the end of active jemalloc development and reviewing its history, phases, successes, and failures over about 20 years.

I convinced HP's board to buy Palm and watched them kill it(philmckinney.substack.com)

623 points by AndrewDucker 1 year ago | 480 comments

Former HP CTO Phil McKinney recounts persuading HP's board to buy Palm for $1.2B and its shutdown 49 days later, with a framework for avoiding such decision errors.

Meta invests $14.3B in Scale AI to kick-start superintelligence lab(nytimes.com)

424 points by RyanShook 1 year ago | 433 comments

New York Times article reporting Meta's $14.3 billion investment in Scale AI to launch a superintelligence research lab.

Rendering Crispy Text on the GPU(osor.io)

390 points by ibobev 1 year ago | 121 comments

A blog post by a graphics programmer explaining techniques for rendering crisp, high-quality text on the GPU.

Endometriosis is an interesting disease(owlposting.com)

371 points by crescit_eundo 1 year ago | 249 comments

A long primer essay on the Owl Posting Substack by Abhishaike Mahajan explaining why endometriosis is a scientifically interesting disease.

Ask HN: How do I give back to people helped me when I was young and had nothing?

340 points by jupiterglimpse 1 year ago | 178 comments

Ask HN discussion where a user asks how to meaningfully give back to mentors, professors, and strangers who helped them early in life, with community replies.

Apple's Liquid Glass is prep work for AR interfaces, not just a design refresh(omc345.substack.com)

296 points by lightningcable 1 year ago | 299 comments

OxCaml - a set of extensions to the OCaml programming language.(oxcaml.org)

288 points by lairv 1 year ago | 97 comments

Peano arithmetic is enough, because Peano arithmetic encodes computation(math.stackexchange.com)

227 points by btilly 1 year ago | 116 comments

The Army’s Newest Recruits: Tech Execs From Meta, OpenAI and More(wsj.com)

215 points by aspenmayer 1 year ago | 181 comments

Self-Adapting Language Models(arxiv.org)

210 points by archon1410 1 year ago | 61 comments

After millions of years, why are carnivorous plants still so small?(smithsonianmag.com)

188 points by gmays 1 year ago | 87 comments

Implementing Logic Programming(btmc.substack.com)

182 points by sirwhinesalot 1 year ago | 57 comments

Show HN: Tattoy – a text-based terminal compositor(tattoy.sh)

179 points by tombh 1 year ago | 49 comments

Show HN: I wrote a BitTorrent Client from scratch(github.com)

172 points by piyushgupta53 1 year ago | 42 comments

Luxe Game Engine(luxeengine.com)

146 points by garrypettet 1 year ago | 49 comments

100 years of Zermelo's axiom of choice: What was the problem with it? (2006)(research.mietek.io)

112 points by Bogdanp 1 year ago | 118 comments

The European public DNS that makes your Internet safer(dns0.eu)

108 points by doener 1 year ago | 69 comments

When random people give money to random other people (2017)(quomodocumque.wordpress.com)

104 points by munificent 1 year ago | 72 comments

Anker is recalling over 1.1M power banks due to fire and burn risks(theverge.com)

103 points by vidyesh 1 year ago | 52 comments

The Hat, the Spectre and SAT Solvers (2024)(nhatcher.com)

98 points by todsacerdoti 1 year ago | 8 comments

Slow and steady, this poem will win your heart(nytimes.com)

93 points by mrholme 1 year ago | 33 comments

Using computers more freely and safely (2023)(akkartik.name)

88 points by surprisetalk 1 year ago | 16 comments

Design Patterns for Securing LLM Agents Against Prompt Injections(simonwillison.net)

85 points by simonw 1 year ago | 19 comments

MUMPS(en.wikipedia.org)

79 points by surprisetalk 1 year ago | 64 comments

The Emperor's New LLM(dayafter.substack.com)

74 points by shmval 1 year ago | 31 comments

US Streetlights Are Turning Purple(scientificamerican.com)

71 points by surprisetalk 1 year ago | 82 comments

Ask HN: Is ageism in tech still a problem?

67 points by leonagano 1 year ago | 59 comments

How the Alzheimer's Research Scandal Set Back Treatment 16 Years (2022)(discovermagazine.com)

67 points by walterbell 1 year ago | 36 comments

The Missing Manual for Signals: State Management for Python Developers(bui.app)

67 points by buibuibui 1 year ago | 25 comments

The Claude Bliss Attractor(astralcodexten.com)

63 points by lukeplato 1 year ago | 57 comments

Dance Captcha(dance-captcha.vercel.app)

63 points by edwinarbus 1 year ago | 20 comments

Photon transport through the entire adult human head(spiedigitallibrary.org)

58 points by gnabgib 1 year ago | 21 comments

Zero-Shot Forecasting: Our Search for a Time-Series Foundation Model(parseable.com)

57 points by tiwarinitish86 1 year ago | 21 comments

The Claude Bliss Attractor(astralcodexten.com)

56 points by Michelangelo11 1 year ago | 8 comments

Show HN: Qrkey – Offline private key backup on paper(github.com)

55 points by techwolf12 1 year ago | 32 comments

Urban Design and Adaptive Reuse in North Korea, Japan, and Singapore(governance.fyi)

55 points by daveland 1 year ago | 11 comments

U.S. Army bringing in big tech executives as lieutenant colonels(taskandpurpose.com)

45 points by cempaka 1 year ago | 33 comments

Geometry from Quantum Temporal Correlations(arxiv.org)

45 points by ljosifov 1 year ago | 21 comments

Three Algorithms for YSH Syntax Highlighting(github.com)

42 points by todsacerdoti 1 year ago | 16 comments

Radio pulses detected coming from ice in Antarctica(psu.edu)

40 points by geox 1 year ago | 12 comments

Anne Wojcicki Wins Bidding for 23andMe(wsj.com)

36 points by mfiguiere 1 year ago | 13 comments

Simulink (Matlab) Copilot(github.com)

33 points by kaamuli 1 year ago | 6 comments

They Asked an A.I. Chatbot Questions. The Answers Sent Them Spiraling(nytimes.com)

24 points by cainxinth 1 year ago | 35 comments

Andrew Ng says vibe coding is a bad name for a real and exhausting job(businessinsider.com)

24 points by cumo 1 year ago | 34 comments

Show HN: Job Compass – AI agents that help you find jobs, not replace you(jobcompass.ai)

23 points by dloku 1 year ago | 24 comments

A Study of the Winston Red: The Smithsonian's New Fancy Red Diamond(gia.edu)

21 points by bookofjoe 1 year ago | 1 comments

The fastest way to detect a vowel in a string(austinhenley.com)

21 points by ingve 1 year ago | 20 comments

What I talk about when I talk about IRs(bernsteinbear.com)

18 points by surprisetalk 1 year ago | 19 comments

Show HN: StellarSnap – Explore NASA APODs, simulate orbits, learn astronomy(stellarsnap.space)

15 points by stellarsnap 1 year ago | 0 comments

Show HN: GetHooky – a language-agnostic Git hook manager(ezpieco.github.io)

15 points by Ezpie 1 year ago | 4 comments

Identity Assertion Authorization Grant(ietf.org)

12 points by mooreds 1 year ago | 3 comments

Coming to Apple OSes: A seamless, secure way to import and export passkeys(arstechnica.com)

11 points by 01-_- 1 year ago | 0 comments

Ask HN: What is your fallback job if AI takes away your career?

11 points by 7402 1 year ago | 24 comments

Meta buys Scale AI in a $14.3B deal(cnbc.com)

9 points by nsoonhui 1 year ago | 3 comments

We found a germ that 'feeds' on hospital plastic – new study(theconversation.com)

7 points by PaulHoule 1 year ago | 2 comments

Introducing Sulka, the Hardened Yocto Distro(ejaaskel.dev)

5 points by FrankSansC 1 year ago | 1 comments

'How come I can't breathe?': Musk's data company draws a backlash in Memphis(simonwillison.net)

5 points by troupo 1 year ago | 0 comments

I'm the CTO of Palantir. Today I Join the Army(thefp.com)

3 points by amrrs 1 year ago | 0 comments