Hacker News Highlights

This is a recap of the top 10 posts on Hacker News on Oct 2, 2025.

Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

• (00:00) - Intro
• (00:14) - Jane Goodall has died
• (01:17) - Show HN: Autism Simulator
• (02:25) - Don't avoid workplace politics
• (03:41) - Gmail will no longer support checking emails from third-party accounts via POP
• (04:49) - Building the heap: racking 30 petabytes of hard drives for pretraining
• (06:02) - Unix philosophy and filesystem access makes Claude Code amazing
• (07:14) - OpenTSLM: Language models that understand time series
• (08:23) - Category Theory Illustrated – Natural Transformations
• (09:40) - Cormac McCarthy's personal library
• (10:44) - Outro

Jane Goodall has died
https://www.latimes.com/obituaries/story/2025-10-01/jane-goodall-chimpanzees-dead
https://news.ycombinator.com/item?id=45441069

Show HN: Autism Simulator
https://autism-simulator.vercel.app/
https://news.ycombinator.com/item?id=45438346

Don't avoid workplace politics
https://terriblesoftware.org/2025/10/01/stop-avoiding-politics/
https://news.ycombinator.com/item?id=45440571

Gmail will no longer support checking emails from third-party accounts via POP
https://support.google.com/mail/answer/16604719?hl=en
https://news.ycombinator.com/item?id=45439670

Building the heap: racking 30 petabytes of hard drives for pretraining
https://si.inc/posts/the-heap/
https://news.ycombinator.com/item?id=45438496

Unix philosophy and filesystem access makes Claude Code amazing
https://www.alephic.com/writing/the-magic-of-claude-code
https://news.ycombinator.com/item?id=45437893

OpenTSLM: Language models that understand time series
https://www.opentslm.com/
https://news.ycombinator.com/item?id=45440431

Category Theory Illustrated – Natural Transformations
https://abuseofnotation.github.io/category-theory-illustrated/11_natural_transformations/
https://news.ycombinator.com/item?id=45435422

F3: Open-source data file format for the future [pdf]
https://db.cs.cmu.edu/papers/2025/zeng-sigmod2025.pdf
https://news.ycombinator.com/item?id=45437759

Cormac McCarthy's personal library
https://www.smithsonianmag.com/arts-culture/two-years-cormac-mccarthys-death-rare-access-to-personal-library-reveals-man-behind-myth-180987150/
https://news.ycombinator.com/item?id=45444694