HN Reader

Writing by hand is good for your brain

(nealstephenson.substack.com/p/writing-by-hand-is-good-for-your)

709 points by dwwoelfel 6 hours ago | loading comments

Show HN: Echo – Fable-level results at 1/3 the cost using open-weight models

()

67 points by adam_rida an hour ago | loading comments

What happened to TheNumbers.com

(stephenfollows.com/p/what-just-happened-to-thenumberscom-should-worry-us-all)

183 points by nickthegreek 4 hours ago | loading comments

Building on ATProto

(lukekanies.com/writing/building-on-atproto/)

70 points by speckx 2 hours ago | loading comments

Startup founders urge U.S. government not to shut off Chinese open weight AI

(www.politico.com/news/2026/07/22/startup-founders-urge-trump-not-to-shut-off-chinese-open-weight-ai-01008992)

549 points by theanonymousone 5 hours ago | loading comments

A solid-state “atomic channel” for separating rare earth elements

(pme.uchicago.edu/news-events/news/cleaner-route-purifying-rare-earth-elements)

36 points by MarcoDewey 2 hours ago | loading comments

Software rendering in 500 lines of bare C++

(haqr.eu/tinyrenderer/)

192 points by mpweiher 6 hours ago | loading comments

Learn OpenGL, extensive tutorial resource for learning Modern OpenGL

(learnopengl.com/)

131 points by ibobev 6 hours ago | loading comments

Astronomers may have found the first exomoon

(www.eso.org/public/news/eso2610/)

165 points by MarcoDewey 6 hours ago | loading comments

10.

Big Tech Isn't Hiding $1.65T of Debt

(finterm.ai/blog/big-tech-hidden-debt-fact-check.html)

8 points by kellyluu 16 minutes ago | loading comments

11.

Show HN: Palmier Pro – Open-source macOS video editor built for AI

(github.com/palmier-io/palmier-pro)

65 points by harrisontin 5 hours ago | loading comments

12.

Launch HN: Screenpipe (YC S26) – Record how you work and turn that into agents

()

34 points by louis030195 4 hours ago | loading comments

13.

DARPA, U.S. Air Force fly AI-controlled F-16

(www.darpa.mil/news/2026/darpa-us-air-force-fly-ai-controlled-f-16)

112 points by r2sk5t 7 hours ago | loading comments

14.

Converting Files into Minecraft Worlds

(wuemeli.com/blog/sulfur-part-1/)

21 points by wuemeli 3 days ago | loading comments

15.

The arguments against open source AI are bad

(tombedor.dev/arguments-against-open-source-ai-are-very-bad/)

114 points by jjfoooo4 4 hours ago | loading comments

16.

Show HN: Trifle – Open-source analytics that stores answers, not events

(trifle.io/)

18 points by iluzone a day ago | loading comments

17.

Geekbench 7

(www.geekbench.com/blog/2026/07/geekbench-7/)

22 points by ilreb 2 hours ago | loading comments

18.

Learn WebGPU for C++

(eliemichel.github.io/LearnWebGPU/)

56 points by ibobev 6 hours ago | loading comments

19.

Show HN: OneCLI – OSS credential gateway that keeps secrets out of AI agents

(github.com/onecli/onecli)

55 points by Jonathanfishner 5 hours ago | loading comments

20.

Escape Analysis in Go: Stack vs. Heap Allocations Explained

(blog.jetbrains.com/go/2026/07/20/escape-analysis/)

6 points by ingve 3 days ago | loading comments

21.

Hybrid-Electric Aicraft Engine Targeting 30% Fuel Efficiency

(www.rtx.com/news/news-center/2026/07/21/rtxs-pratt-whitney-canada-advances-hybrid-electric-technology-development)

73 points by r2sk5t 6 hours ago | loading comments

22.

JEP 540: Simple JSON API (Now in Incubator)

(openjdk.org/jeps/540)

72 points by theanonymousone 5 hours ago | loading comments

23.

AI Companies Are Trying to Hide a Staggering Amount of Debt

(futurism.com/artificial-intelligence/ai-companies-hide-debt-off-balance-sheet)

473 points by technewssss 7 hours ago | loading comments

24.

Show HN: Claude-thermos – keeps your Claude session warm for you

(github.com/izeigerman/claude-thermos)

32 points by s0ck_r4w 3 hours ago | loading comments

25.

Fields Medals 2026

(www.mathunion.org/imu-awards/fields-medal/fields-medals-2026)

82 points by nill0 6 hours ago | loading comments

26.

Why Software Factories Fail (or: harness engineering is not enough)

(github.com/humanlayer/advanced-context-engineering-for-coding-agents/blob/main/wsff.md)

116 points by dhorthy 5 hours ago | loading comments

27.

From Evaluation to Guardrails: What We Brought to ACM FAccT 2026

(blog.mozilla.ai/from-evaluation-to-guardrails-what-we-brought-to-acm-facct-2026/)

8 points by royapakzad 2 hours ago | loading comments

28.

Show HN: Remux – an open-source tmux workspace designed for iPhone

(github.com/h3nock/remux)

68 points by bitwise42 6 hours ago | loading comments

29.

OpenStreetMap: Admin_level for All Countries

(wiki.openstreetmap.org/wiki/Tag:boundary%3Dadministrative#Table_:_Admin_level_for_all_countries)