top 50% hacker news stories for 2026-07-04

The bottleneck might be the air in the room

https://blog.mikebowler.ca/2026/07/03/co2-and-decision-making/

1 month ago

831 upvotes – 468 comments

Leaking YouTube Creators Private Videos

https://javoriuski.com/post/youtube

1 month ago

691 upvotes – 395 comments

Command and Conquer Generals natively ported to macOS, iPhone, iPad using Fable

https://github.com/ammaarreshi/Generals-Mac-iOS-iPad/tree/main

1 month ago

★ 1.4k C++
689 upvotes – 288 comments

Google Books (or similar) all book scans – $200k bounty

https://software.annas-archive.gl/AnnaArchivist/annas-archive/-/work_items/234

1 month ago

531 upvotes – 350 comments

Explanation of everything you can see in htop/top on Linux

https://peteris.rocks/blog/htop/

1 month ago

514 upvotes – 63 comments

Maybe you should learn something

https://www.marginalia.nu/log/a_135_learn/

1 month ago

477 upvotes – 208 comments

GPT-5.5 Codex reasoning-token clustering may be leading to degraded performance

https://github.com/openai/codex/issues/30364

1 month ago

★ 97.1k Rust Apache-2.0
371 upvotes – 151 comments

Potential session/cache leakage between workspace instances or consumer accounts

https://github.com/anthropics/claude-code/issues/74066

1 month ago

★ 137.4k Python
314 upvotes – 135 comments

Canada's only watchmaking school still ticking after 80 years

https://www.cbc.ca/news/canada/montreal/canada-s-only-watchmaking-school-9.7254211

1 month ago

245 upvotes – 150 comments

Meta data center water discharges suspended for contaminating water supply

https://www.tomshardware.com/tech-industry/data-centers/cheyenne-suspends-data-center-fill-and-flush-and-closed-loop-discharges-after-meta-contractor-contaminated-its-reuse-water-system

1 month ago

239 upvotes – 81 comments

Zig: All Package Management Functionality Moved from Compiler to Build System

https://ziglang.org/devlog/2026/#2026-06-30

1 month ago

232 upvotes – 105 comments

Better Models: Worse Tools

https://lucumr.pocoo.org/2026/7/4/better-models-worse-tools/

1 month ago

228 upvotes – 81 comments

Astrophysicists Puzzle over Webb's New Universe

https://www.quantamagazine.org/astrophysicists-puzzle-over-webbs-new-universe-20260702/

1 month ago

213 upvotes – 127 comments

Scientists reverse brain aging, with a nasal spray

https://stories.tamu.edu/news/2026/04/14/scientists-reverse-brain-aging-with-a-nasal-spray/

1 month ago

198 upvotes – 85 comments

Jellyfish can heal wounds in minutes. Scientists want their secrets

https://www.mbl.edu/news/jellyfish-can-heal-wounds-minutes-scientists-want-their-secrets

1 month ago

191 upvotes – 43 comments

No more than 100 000 faint satellites should orbit Earth

https://www.eso.org/public/news/eso2607/

1 month ago

190 upvotes – 318 comments

Agentic coding notes from Galapogos Island

https://danluu.com/ai-coding/#appendix-agentic-loops-and-writing-this-post

1 month ago

178 upvotes – 83 comments

Show HN: Follow London Trains in 3D

https://ride.nexttrain.london/

1 month ago

156 upvotes – 62 comments

Synthesis is harder than analysis

https://surfingcomplexity.blog/2026/07/03/synthesis-is-harder-than-analysis/

1 month ago

154 upvotes – 41 comments

Verizon is About to Break our Watches

https://www.jefftk.com/p/verizon-is-about-to-break-our-watches

1 month ago

154 upvotes – 120 comments

As downtown Seattle offices empty, city facing years of 'zombie' towers

https://www.seattletimes.com/business/local-business/as-downtown-seattle-offices-empty-city-facing-years-of-zombie-towers/

1 month ago

153 upvotes – 213 comments

Fable created novel 4D splat format

https://adamraudonis.github.io/splats4D/

1 month ago

151 upvotes – 60 comments

David Beazley – Programming Courses

https://www.dabeaz.com/courses.html

1 month ago

147 upvotes – 36 comments

MSI Center – How to gain SYSTEM privileges in seconds

https://mrbruh.com/msicenter/

1 month ago

145 upvotes – 65 comments

Dolosse – a South African invention used over the world

https://thisbugslife.com/2021/11/21/dolosse-a-south-african-invention-used-over-the-world/

1 month ago

141 upvotes – 40 comments

Soatok's Informal Guide to Threat Models

https://soatok.blog/2026/06/30/soatoks-informal-guide-to-threat-models/

1 month ago

126 upvotes – 49 comments

Wicklow hotel cancels 'secretive' Peter Thiel group conference

https://www.irishtimes.com/ireland/2026/07/03/wicklow-hotel-cancels-secretive-peter-thiel-conference/

1 month ago

121 upvotes – 48 comments

Historic Photos of NASA's Cavernous Wind Tunnels

https://www.theatlantic.com/photo/2018/05/historic-photos-of-nasas-cavernous-wind-tunnels/560660/

1 month ago

119 upvotes – 28 comments

Finland's last analogue landline phones go silent after 150 years

https://www.euronews.com/next/2026/06/30/finlands-last-analogue-landline-phones-go-silent-after-150-years

1 month ago

118 upvotes – 44 comments

Windows CE Dreamcast Community Edition (wince-dc)

https://github.com/maximqaxd/wince-dc

1 month ago

★ 103 C
115 upvotes – 31 comments

The Common Lisp Cookbook – LispWorks Review

https://lispcookbook.github.io/cl-cookbook/lispworks.html

1 month ago

108 upvotes – 0 comments

AI has torched the market for junior programmers

https://seldo.com/posts/ai-has-torched-the-market-for-junior-programmers/

1 month ago

101 upvotes – 195 comments

Airplane Boneyards List and Map

https://airplaneboneyards.com/airplane-boneyards-list-and-map.htm

1 month ago

97 upvotes – 16 comments

In-browser programmable robot simulator

https://bittlex-sim.petoi.com/

1 month ago

84 upvotes – 7 comments

Drone Autonomy Crash Course

https://www.cggonzalez.com/blog/index.html

1 month ago

83 upvotes – 18 comments

The LLVM Compiler Infrastructure

https://cacm.acm.org/federal-funding-of-academic-research/the-llvm-compiler-infrastructure/

1 month ago

80 upvotes – 20 comments

BareMetal RAM Dumper – Bare-metal x86 tool for Cold Boot Attack experiments

https://github.com/pIat0n/BareMetal-RAM-Dumper

1 month ago

★ 96 Assembly AGPL-3.0
72 upvotes – 44 comments

Magit 4.6 Released

https://emacsair.me/2026/07/01/magit-4.6/

1 month ago

71 upvotes – 0 comments

The Fediverse Is Not the Way Forward

https://trialandfailure.net/the-fediverse-is-not-the-way-forward/

1 month ago

70 upvotes – 10 comments

EF Core 11 makes your split queries faster

https://steven-giesel.com/blogPost/d4401fd0-805a-4703-9d9e-5fe3b57c25ea

1 month ago

69 upvotes – 37 comments

2026 Unslop AI-Written Fiction Contest Results

https://www.hyperstitionai.com/unslop-results

1 month ago

66 upvotes – 149 comments

Rob Pike – 'Concurrency Is Not Parallelism' [video]

https://vimeo.com/49718712

1 month ago

65 upvotes – 41 comments

This Month in Ladybird: June 2026

https://ladybird.org/newsletter/2026-06-30/

1 month ago

63 upvotes – 1 comments

The Reports of Jim Carrey's Death Are a Failure Mode

https://tane.dev/2026/07/the-reports-of-jim-carreys-death-are-a-failure-mode/

1 month ago

63 upvotes – 40 comments

Plein Air

https://art.joonas.wtf/

1 month ago

62 upvotes – 10 comments

What does privatization of the US Postal Service mean?

https://phenomenalworld.org/analysis/unstitching-america/

1 month ago

61 upvotes – 149 comments

Ask HN: Where are the good search engines for mathematical formulas?

https://news.ycombinator.com/item?id=48787886

1 month ago

56 upvotes – 16 comments

Automate Excel with Python: From manual grind to one-click workflow

https://nostarch.com/automate-excel-with-python

1 month ago

55 upvotes – 24 comments

How working memory could give rise to consciousness

https://www.scientificamerican.com/article/how-working-memory-could-give-rise-to-consciousness/

1 month ago

55 upvotes – 68 comments

Curveball

https://mightyburger.net/projects/curveball/

1 month ago

55 upvotes – 12 comments

But Nothing Has Changed on Our Side

https://cacm.acm.org/blogcacm/but-nothing-has-changed-on-our-side/

1 month ago

53 upvotes – 13 comments
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