Hackernews with categories

Ask HN: What are you working on? (February 2026)

306 points by david927 2 days | 1052 comments

Upcoming changes to Let's Encrypt and how they affect XMPP server operators (blog.prosody.im)

let's encrypt changesxmpp server operatorsssl certificates

172 points by zaik 1 day | 192 comments

Mamdani Hires Groundbreaking Computer Scientist as Chief Tech Officer (www.nytimes.com)

5 points by mitchbob 40 minutes | 2 comments

"Hate brings views": Confessions of a London fake news TikToker (www.londoncentric.media)

tiktok trendsfake newssocial media manipulation

148 points by pbshgthm about 4 hours | 80 comments

Show HN: Open-Source SDK for AI Knowledge Work (github.com)

14 points by ankit219 about 4 hours | 1 comments

UEFI Bindings for JavaScript (codeberg.org)

javascriptuefibindings

250 points by ananas-dev 1 day | 113 comments

Thoughts on Generating C (wingolog.org)

generative programmingc programming languagesoftware development

246 points by ingve 1 day | 89 comments

Why is the sky blue? (explainers.blog)

atmospheric sciencecolor theoryearth's atmosphere

770 points by udit99 1 day | 249 comments

Canada has one city with good weather and it's too tiny (carboncreatures.substack.com)

12 points by mesozoicpilgrim about 2 hours | 8 comments

An articulated archer automaton [video] (www.youtube.com)

mechanical engineeringhistorical inventionsrobot history

53 points by Teever 1 day | 7 comments

Game Theory Patterns at Work (daeus.blog)

prisoner's dilemmanash equilibriumgame theory strategies

127 points by kurinikku 1 day | 9 comments

Rust Coreutils v0.6.0 Release: 96.28% GNU compatibility and safety improvements (github.com)

3 points by maxloh about 1 hour | 1 comments

America has a tungsten problem (www.noleary.com)

tungsten miningrare earth elementsindustrial supply chain

197 points by noleary 1 day | 185 comments

Lance table format explained simply, stupid (Animated) (tontinton.com)

14 points by tontinton 2 days | 5 comments

Nobody knows how the whole system works (surfingcomplexity.blog)

systems complexityunderstanding chaosunraveling complexity

337 points by azhenley 1 day | 208 comments

Toma (YC W24) Is Hiring Founding Engineers (www.ycombinator.com)

2 days

The Abstraction Rises (cyber-omelette.com)

large language modelsnatural language processingprogramming languages

76 points by birdculture 3 days | 33 comments

Game Boy Advance Audio Interpolation (jsgroth.dev)

game boy advanceaudio interpolationmusic programming

103 points by ibobev 1 day | 53 comments

London's most controversial cyclist (www.the-londoner.co.uk)

cyclist controversieslondon cycling newsurban transportation debates

72 points by cainxinth about 3 hours | 89 comments

Another GitHub outage in the same day (www.githubstatus.com)

github outagesoftware development platformcloud services

364 points by Nezteb 1 day | 279 comments

Coffee and Tea Intake, Dementia Risk, and Cognitive Function (jamanetwork.com)

caffeinedementia preventioncognitive decline

57 points by bookofjoe about 22 hours | 27 comments

Expansion Microscopy Has Transformed How We See the Cellular World (www.quantamagazine.org)

96 points by sohkamyung 5 days | 4 comments

Like Game-of-Life, but on Growing Graphs, with WASM and WebGL (znah.net)

game-of-lifegrowing graphswasm webgl

208 points by znah 2 days | 26 comments

Obsidian Introduces Obsidian CLI (help.obsidian.md)

obsidian-climarkdown-note-takingproductivity-tool

26 points by Brajeshwar about 5 hours | 5 comments

Generative Pen-Trained Transformer (theodore.net)

machine learning modelsnatural language processingai research

57 points by Twarner 5 days | 1 comments

Sleeper Shells: Attackers Are Planting Dormant Backdoors in Ivanti EPMM (defusedcyber.com)

ivanti epmm securitybackdoor attacksendpoint management vulnerabilities

144 points by waihtis 1 day | 50 comments

Speed dating firm scrambling after being dumped by payment provider (www.rnz.co.nz)