Claude 4 System Card(simonwillison.net)
638 points by pvg | 237 comments
Simon Willison's blog post highlighting notable details from Anthropic's 120-page system card for Claude Opus 4 and Claude Sonnet 4.
Hacker News on
Stories posted this day, by points. Rank history starts with the October 2026 rebuild.
At Amazon, some coders say their jobs have begun to resemble warehouse work(nytimes.com)
484 points by milkshakes | 687 comments
New York Times article reporting that Amazon software developers pushed to use AI say their work has become faster-paced and more like warehouse work.
Open Source Society University – Path to a free self-taught education in CS(github.com)
466 points by saikatsg | 139 comments
GitHub repository for Open Source Society University's free self-taught computer science curriculum built from online courses.
Denmark to raise retirement age to 70(telegraph.co.uk)
352 points by wslh | 848 comments
Telegraph news article reporting that Denmark's parliament voted to raise the retirement age to 70, the highest in Europe, prompting public outcry.
Lottie is an open format for animated vector graphics(lottie.github.io)
331 points by marcodiego | 159 comments
Homepage for Lottie, an open-source vector graphics animation file format originally created in 2015 for exporting and playing back Adobe After Effects animations.
Ask HN: What are you working on? (May 2025)
285 points by david927 | 856 comments
The Level Design Book(book.leveldesignbook.com)
281 points by keiferski | 55 comments
Show HN: SVG Animation Software(expressive.app)
180 points by msarca | 83 comments
Clojure MCP(github.com)
176 points by todsacerdoti | 41 comments
Space Selfie(space.crunchlabs.com)
148 points by rossdavidh | 32 comments
The Newark airport crisis(theverge.com)
103 points by 01-_- | 83 comments
![Screenshot of drops.dagstuhl.de: Wrench Attacks: Physical attacks targeting cryptocurrency users (2024) [pdf]](https://hn.urlbox.com/shots/renders/2025/5/25/b3842708-3f4d-4c76-9244-92eb4c982dde.jpg)
Infinite Tool Use(snimu.github.io)
63 points by tosh | 6 comments
Advice to Tenstorrent(github.com)
55 points by lexoj | 38 comments
Chairs, Chairs, Chairs(parliament.uk)
52 points by riprippity | 57 comments
Programming on 34 Keys (2022)(oppi.li)
51 points by todsacerdoti | 76 comments
