8.16.25 | Open hardware 3D printing decline, Amsterdam’s Ritman Library digitizes occult books, Edka enables Kubernetes on Hetzner

Hacker News Highlights

This is a recap of the top 10 posts on Hacker News on Aug 16, 2025.

Open hardware desktop 3D printing is dead?
https://www.josefprusa.com/articles/open-hardware-in-3d-printing-is-dead/
https://news.ycombinator.com/item?id=44911423

Occult books digitized and put online by Amsterdam’s Ritman Library
https://www.openculture.com/2025/08/2178-occult-books-now-digitized-put-online.html
https://news.ycombinator.com/item?id=44914061

Show HN: Edka – Kubernetes clusters on your own Hetzner account
https://edka.io
https://news.ycombinator.com/item?id=44915164

Do Things That Don't Scale (2013)
https://paulgraham.com/ds.html
https://news.ycombinator.com/item?id=44913359

The electric fence stopped working years ago
https://soonly.com/electric-fences/
https://news.ycombinator.com/item?id=44913663

Imagen 4 is now generally available
https://developers.googleblog.com/en/announcing-imagen-4-fast-and-imagen-4-family-generally-available-in-the-gemini-api/
https://news.ycombinator.com/item?id=44915187

Vaultwarden commit introduces SSO using OpenID Connect
https://github.com/dani-garcia/vaultwarden/pull/3899
https://news.ycombinator.com/item?id=44911560

Claude Opus 4 and 4.1 can now end a rare subset of conversations
https://www.anthropic.com/research/end-subset-conversations
https://news.ycombinator.com/item?id=44916813

ADHD drug treatment and risk of negative events and outcomes
https://www.bmj.com/content/390/bmj-2024-083658
https://news.ycombinator.com/item?id=44912861

ARM adds neural accelerators to GPUs
https://newsroom.arm.com/news/arm-announces-arm-neural-technology
https://news.ycombinator.com/item?id=44876346