Apple details how it trained its new AI models

https://9to5mac.com/2025/07/21/apple-details-how-it-trained-its-new-ai-models-4-interesting-highlights/

1•mgh2•52s ago•0 comments

What's Changing for UK Users Due to the UK Online Safety Act

https://support.discord.com/hc/en-us/articles/33362401287959-What-s-Changing-for-UK-Users-Due-to-the-UK-Online-Safety-Act

1•sanqui•1m ago•0 comments

Game Boy Photo Booth

https://there.oughta.be/a/game-boy-photo-booth

1•0xC0ncord•2m ago•0 comments

Let's Encrypt API Outage (acme-v02.api.letsencrypt.org)

https://letsencrypt.status.io/pages/incident/55957a99e800baa4470002da/687e8d62b8a4e804fad85799

1•throwachimera•2m ago•0 comments

Garbage Collection for Systems Programmers

https://bitbashing.io/gc-for-systems-programmers.html

1•Bogdanp•4m ago•0 comments

Detecting LLM‑Generated 404s

https://www.bugsink.com/blog/hallucinated-404s/

1•vanschelven•7m ago•1 comments

10k companies at risk from Microsoft Sharepoint security flaw

https://9to5mac.com/2025/07/21/10000-companies-at-risk-from-microsoft-sharepoint-security-flaw/

1•mgh2•8m ago•0 comments

Prove me wrong, earn money!

https://nintil.com/prove-wrong-get-money

1•lr0•9m ago•0 comments

The Medium Chill

https://grist.org/living/2011-06-28-the-medium-chill/

1•toomuchtodo•9m ago•0 comments

Vibe Coding Gone Wrong: 5 Rules for Safely Using AI

https://cybercorsairs.com/my-ai-co-pilot-deleted-my-production-database/

1•todsacerdoti•10m ago•1 comments

Working on a Programming Language in the Age of LLMs

https://ryelang.org/blog/posts/programming-language-in-age-of-llms/

1•todsacerdoti•11m ago•0 comments

Scale AI's Ex-CMO on Surge AI

https://twitter.com/HarryStebbings/status/1947400212894650429

1•jasong•14m ago•0 comments

Figuring out why a nap might help people see things in new ways

https://arstechnica.com/science/2025/07/figuring-out-why-a-nap-might-help-people-see-things-in-new-ways/

1•PaulHoule•14m ago•0 comments

Got screwed by Product Hunt. Hackers, please help. Founders, this is a lesson

1•junlianglee•16m ago•0 comments

Show HN: Make the Most of Python's ExceptionGroups

https://github.com/mawildoer/groupie

2•mawildoer•18m ago•0 comments

Tracking stealth fighters and birds near aircraft with camera phones

https://www.youtube.com/watch?v=zFiubdrJqqI

1•lifeisstillgood•24m ago•0 comments

Reliable by Design: Fast, Fail-Safe AI Agents

https://www.aimon.ai/announcements/ife-200ms-instruction-following-evaluation-for-agentic-reflection/

2•pjoshi30•24m ago•0 comments

Claim: Meta offered $1.25B over four years to AI hire – and were refused

https://www.tomshardware.com/tech-industry/artificial-intelligence/abel-founder-claims-meta-offered-usd1-25-billion-over-four-years-to-ai-hire-person-still-said-no-despite-equivalent-of-usd312-million-yearly-salary

2•A_D_E_P_T•25m ago•0 comments

The surprising geography of American left-handedness (2015)

https://www.washingtonpost.com/news/wonk/wp/2015/09/22/the-surprising-geography-of-american-left-handedness/

3•roktonos•26m ago•0 comments

The Swamp of Negative Utility

https://ides.dev/notes/the-swamp-of-negative-utility/

1•edent•26m ago•0 comments

Automating Away Claude's Bad Habits with Hooks – Write-Ahead (B)Log

https://writeaheadblogg.ing/posts/claude-hooks-auto-fix-trailing-whitespace/

1•todsacerdoti•31m ago•0 comments

Exploiting Primacy Effect to Improve Large Language Models

https://arxiv.org/abs/2507.13949

1•hdvr•32m ago•0 comments

Turn your Raspberry Pi into a homelab gateway in 4 minutes (Twingate) [video]

https://www.youtube.com/watch?v=wE9-K2SdDlQ

1•mmajzoobi•32m ago•1 comments

Compass Handheld CNC Router

https://www.compassrouter.com

1•cocoflunchy•32m ago•0 comments

The Cheapest LLM Call Is the One You Don't Await

https://inference.net/blog/asynchronous-requests-the-missing-mode-that-slashes-llm-costs

1•npmipg•34m ago•0 comments

In a Major Reversal, the World Bank Is Backing Mega Dams

https://e360.yale.edu/features/world-bank-hydro-dams

10•prmph•34m ago•0 comments

Overlooked climate-change danger: wildfire smoke

https://news.harvard.edu/gazette/story/2025/07/overlooked-climate-change-danger-wildfire-smoke/

2•gnabgib•37m ago•0 comments

A tool to visually sign PDF files on Linux

https://github.com/svenssonaxel/pdf-sign

2•axelsvensson•38m ago•1 comments

New Trump Immigration Policy: Ending the H-1B Visa Lottery

https://www.forbes.com/sites/stuartanderson/2025/07/21/new-trump-immigration-policy-ending-the-h-1b-visa-lottery/

6•rayiner•39m ago•0 comments

Yoni Appelbaum on the real villians behind our housing and mobility problems

https://www.riskgaming.com/p/how-jane-jacobs-got-americans-stuck

14•serviette•40m ago•4 comments

Open in hackernews

New open-source React component library: Untitled UI React

https://www.untitledui.com/react

2•jordanhughes•10h ago

Comments

jordanhughes•10h ago

We launched Untitled UI React last week: the world’s largest collection of open-source React components built with Tailwind CSS and React Aria.

2.2k likes on X, Product Hunt #1 of the day, 600+ GitHub stars in 48 hours.

We're already expanding it and adding new components and integrations. Hope it's useful to everyone!