Tech
DeepSeek V4–almost on the frontier, a fraction of the price
Article URL: https://simonwillison.net/2026/Apr/24/deepseek-v4/ Comments URL: https://news.ycombinator.com/item?id=47977026 Points: 175 # Comments: 87
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Show HN: Browser-based light pollution simulator using real photometric data
Hi HN — author here. iesna.eu is a browser-based ecosystem for working with photometric data: parsing standard luminaire files (LDT/EULUMDAT, IES LM-63, Oxytech, ATLA-S001), running design calculations against EN 13201 / ANSI/IES RP-8 / CJJ 45 / IES-
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Show HN: Filling PDF forms with AI using client-side tool calling
Hey HN! I built SimplePDF Copilot: an AI assistant that can interact with the PDF editor. It fills fields, answers questions, focuses on a specific field, adds fields, deletes pages, and so on. It's built on top of SimplePDF that I started 7 years ag
Tech
Why are there both TMP and TEMP environment variables, and which one is right?
Article URL: https://devblogs.microsoft.com/oldnewthing/20150417-00/?p=44213 Comments URL: https://news.ycombinator.com/item?id=47984522 Points: 4 # Comments: 0
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SKILL.make: Makefile Styled Skill File
Article URL: https://github.com/Teaonly/SKILL.make Comments URL: https://news.ycombinator.com/item?id=47984486 Points: 12 # Comments: 1
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Open source ballistic simulator with NASA SRTM terrain masking (Python/C#)
Article URL: https://github.com/InsaneInfinity/Balistic Comments URL: https://news.ycombinator.com/item?id=47984291 Points: 3 # Comments: 1
Tech
Uber wants to turn its millions of drivers into a sensor grid for self-driving companies
Praveen Neppalli Naga, Uber's chief technology officer, revealed the plan in an interview at TechCrunch's StrictlyVC event in San Francisco on Thursday night, describing it as a natural extension of a nascent program the company announced in late Jan
Show HN: Stop playing my matchstick puzzles, start building your own in seconds
Article URL: https://mathstick.github.io Comments URL: https://news.ycombinator.com/item?id=47983485 Points: 6 # Comments: 10
Why does it take so long to release black fan versions?
Article URL: https://www.noctua.at/en/expertise/blog/how-can-it-take-so-long-to-release-black-fan-versions Comments URL: https://news.ycombinator.com/item?id=47983352 Points: 11 # Comments: 0
Ask.com has closed
Article URL: https://www.ask.com/ Comments URL: https://news.ycombinator.com/item?id=47983226 Points: 168 # Comments: 82
Tech
K3k: Kubernetes in Kubernetes
Article URL: https://github.com/rancher/k3k Comments URL: https://news.ycombinator.com/item?id=47983176 Points: 14 # Comments: 3
Tech
Create an MP4 video of a web page scrolling at a steady speed
Article URL: https://github.com/upenn/web-scroll-video Comments URL: https://news.ycombinator.com/item?id=47982763 Points: 8 # Comments: 4
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I built the Playwright for desktop apps. 80% token savings
Article URL: https://github.com/lahfir/agent-desktop Comments URL: https://news.ycombinator.com/item?id=47982708 Points: 37 # Comments: 4
Job Postings for Software Engineers Are Rapidly Rising
Article URL: https://www.citadelsecurities.com/news-and-insights/2026-global-intelligence-crisis/ Comments URL: https://news.ycombinator.com/item?id=47982512 Points: 108 # Comments: 35
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The gay jailbreak technique (2025)
Article URL: https://github.com/Exocija/ZetaLib/blob/main/The%20Gay%20Jailbreak/The%20Gay%20Jailbreak.md Comments URL: https://news.ycombinator.com/item?id=47977134 Points: 468 # Comments: 189