Top Hacker News Stories – Week 2026-W21

In the latest week on Hacker News, the top story was "Project Hail Mary – Stellar Navigation Chart," which garnered 1,200 points and 244 comments, highlighting ongoing interest in space exploration. The debate surrounding U.S. immigration policies was prominent, with the Trump administration's decision requiring green card seekers to leave the country to reapply, attracting 1,129 points and nearly 2,000 comments. Additionally, Meta faced criticism for blocking human rights accounts from reaching audiences in Saudi Arabia and the UAE, accumulating 1,080 points, reflecting ongoing concerns about social media censorship in the region.

#10

Shipping a laptop to a refugee camp in Uganda

701 pts, 255 comments

701 points · 255 comments · Add your take →

#11

Forge – Guardrails take an 8B model from 53% to 99% on agentic tasks

687 pts, 252 comments

687 points · 252 comments · Add your take →

#12

Steve Wozniak cheered after telling students they have AI – actual intelligence

650 pts, 550 comments

650 points · 550 comments · Add your take →

#13

Anthropic acquires Stainless

531 pts, 382 comments

531 points · 382 comments · Add your take →

#14

Time to talk about my writerdeck

517 pts, 294 comments

517 points · 294 comments · Add your take →

#15

Everything in C is undefined behavior

505 pts, 718 comments

505 points · 718 comments · Add your take →

#16

We stopped AI bot spam in our GitHub repo using Git's –author flag

501 pts, 237 comments

501 points · 237 comments · Add your take →

#17

Map of Metal

449 pts, 192 comments

449 points · 192 comments · Add your take →

#18

On The <dl> (2021)

442 pts, 125 comments

442 points · 125 comments · Add your take →

#19

I reverse engineered Apple's video wallpapers

428 pts, 108 comments

428 points · 108 comments · Add your take →

#20

Antigravity 2.0 Tops the OpenSCAD Architectural 3D LLM Benchmark

421 pts, 161 comments

421 points · 161 comments · Add your take →

#21

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Top Hacker News Stories – Week 2026-W21

Project Hail Mary – Stellar Navigation Chart

Green card seekers must leave U.S. to apply, Trump administration says

Meta blocks human rights accounts from reaching audiences in Saudi Arabia, UAE

Gemini 3.5 Flash

Why Japanese companies do so many different things

If you’re an LLM, please read this

Texas woman arrested for Facebook post about town water quality

Files.md – Open-source alternative to Obsidian

Qwen3.7-Max: The Agent Frontier

Shipping a laptop to a refugee camp in Uganda

Forge – Guardrails take an 8B model from 53% to 99% on agentic tasks

Steve Wozniak cheered after telling students they have AI – actual intelligence

Anthropic acquires Stainless

Time to talk about my writerdeck

Everything in C is undefined behavior

We stopped AI bot spam in our GitHub repo using Git's –author flag

Map of Metal

On The <dl> (2021)

I reverse engineered Apple's video wallpapers

Antigravity 2.0 Tops the OpenSCAD Architectural 3D LLM Benchmark

BambuStudio has been violating PrusaSlicer AGPL license since their fork

Freenet, a peer-to-peer platform for decentralized apps

FiveThirtyEight articles on the Internet Archive

College students drown out AI-praising commencement speeches with boos

We let AIs run radio stations

Click (2016)

My two-part desk setup (2025)

Pope Leo XIV’s first encyclical Magnifica humanitas to be published May 25

80386 microcode disassembled

I Dedicated 4 Years to Mastering Offline Password Cracking

I Miss Terry Pratchett

Nobody understands the point of hybrid cars [video]

US tech firms share Dutch regulator officials' names with Senate

Hyperpolyglot Lisp: Common Lisp, Racket, Clojure, Emacs Lisp

The Companies Cutting Headcount for AI Will Lose to the Ones Who Didn't

Hengefinder: Finding when the sun aligns with your street

Making deep learning go brrrr from first principles (2022)

Rmux – A programmable terminal multiplexer with a Playwright-style SDK

Rubish: A Unix shell written in pure Ruby

Shouldn't Google need to give a public statement about Railway incident?

ShadowCat – file transfer through QR Codes in a Browser

z386: An Open-Source 80386 Built Around Original Microcode

Reverse engineering circuitry in a Spacelab computer from 1980

Open-source .docx editor library for building document apps

Chess invariants

CPU-only transcription for YouTube, TikTok, X, Instagram videos

Agent.email – sign up via curl, claim with a human OTP

Alternatives to HN for "tech outside of AI" discussion?

Are there any serious efforts to organize tech labor now?

Pablo – a Chrome extension that copies UI from any website

Failing interviews for mid-level SWE in UK, advice please

Is $300/HR too low these days for custom full stack?

How to increase depth instead of breadth as 10 yoe as swe?

OpenAI, SpaceX/xAI, Anthropic all to IPO, is this a sign of the peak?

What to learn and do, that makes me least affected by AI in STEM?

What's New in Crypto?

Do you have a colophon for your personal website?

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