Daily issue / 2026-05-16
Useful things that surfaced in Hacker News discussions on 2026-05-16. Open the context to see why each one caught our attention—or jump straight to the original thread.
What we found
Music scrobbling and discovery on AT Protocol.
Source discussion: Show HN: Rocksky – Music scrobbling and discovery on the AT Protocol
Editorial paraphrase
Commenters called it a perfect recommendation model and said they would add support in another app.
Read the original threadA Codeberg project that brings Windows 9x nostalgia to Linux.
Source discussion: Windows 9x Subsystem for Linux
Editorial paraphrase
Replies praised the clean, usable interface and said it looked like GitHub/Forgejo.
Read the original threadA Haskell array language with JIT, CPU, and GPU offload.
Source discussion: Accelerate – Embedded language for high-performance array computations
Editorial paraphrase
Commenters described it as NumPy plus a JIT compiler and highlighted automatic CPU/GPU vectorization.
Read the original threadLow-cost radio telescope kits for rural schools.
Source discussion: PART Telescopes – Bringing radio astronomy within reach of rural schools
Editorial paraphrase
One commenter said low-cost radio telescopes are great fun and linked several related projects.
Read the original threadInteractive cards for learning the Greek alphabet.
Source discussion: Greek Alphabet Cards
Editorial paraphrase
Commenters said the cards were very handy and that learning Greek letters paid off in university.
Read the original threadAn open-source world model for 1-minute 720p video.
Source discussion: SANA-WM, a 2.6B open-source world model for 1-minute 720p video
Editorial paraphrase
Commenters said they were impressed with the world models and pointed to robotics simulation as an immediate use case.
Read the original threadA slim 2RU server packing 10 PB of storage.
Source discussion: Kioxia and Dell cram 10 PB into slim 2RU server
Editorial paraphrase
Replies called the Kioxia drives the interesting part and said the density was fascinating.
Read the original threadA blog post on LLM steering vectors for DeepSeek-V4-Flash.
Source discussion: DeepSeek-V4-Flash means LLM steering is interesting again
Editorial paraphrase
A commenter said steering features could remove refusals, and others compared runtime steering with modified weights.
Read the original thread