Hacker News Highlights

This is a recap of the top 10 posts on Hacker News on Mar 11, 2025.

Canon EF and RF Lenses – All Autofocus Motors
https://exclusivearchitecture.com/03-technical-articles-CLT-12-autofocus-systems.html
https://news.ycombinator.com/item?id=43320230

Music labels will regret coming for the Internet Archive, sound historian says
https://arstechnica.com/tech-policy/2025/03/music-labels-will-regret-coming-for-the-internet-archive-sound-historian-says/
https://news.ycombinator.com/item?id=43322245

Trees not profits: we're giving up our right to ever sell Ecosia (2018)
https://blog.ecosia.org/trees-not-profits/
https://news.ycombinator.com/item?id=43317887

Probabilistic Artificial Intelligence
https://arxiv.org/abs/2502.05244
https://news.ycombinator.com/item?id=43318624

Mathematical Foundations of Reinforcement Learning
https://github.com/MathFoundationRL/Book-Mathematical-Foundation-of-Reinforcement-Learning
https://news.ycombinator.com/item?id=43323946

Show HN: Seven39, a social media app that is only open for 3 hours every evening
https://www.seven39.com
https://news.ycombinator.com/item?id=43328095

3dfx: So powerful, it's kind of ridiculous (2023)
https://www.abortretry.fail/p/so-powerful-its-kind-of-ridiculous
https://news.ycombinator.com/item?id=43287327

Software-Defined Radio for Engineers (2018) [pdf]
https://www.analog.com/media/en/training-seminars/design-handbooks/Software-Defined-Radio-for-Engineers-2018/SDR4Engineers.pdf
https://news.ycombinator.com/item?id=43323071

What made the Irish famine so deadly
https://www.newyorker.com/magazine/2025/03/17/rot-padraic-x-scanlan-book-review
https://news.ycombinator.com/item?id=43326275

Firmware update bricks HP printers, makes them unable to use HP cartridges
https://arstechnica.com/gadgets/2025/03/firmware-update-bricks-hp-printers-makes-them-unable-to-use-hp-cartridges/
https://news.ycombinator.com/item?id=43323923