This is a recap of the top 10 posts on Hacker News on Jul 4, 2025.

Introducing tmux-rs
https://richardscollin.github.io/tmux-rs/
https://news.ycombinator.com/item?id=44455787

My open source project was relicensed by a YC company [license updated]
https://twitter.com/soham_btw/status/1940952786491027886
https://news.ycombinator.com/item?id=44460552

The Rise of Whatever
https://eev.ee/blog/2025/07/03/the-rise-of-whatever/
https://news.ycombinator.com/item?id=44461208

Major reversal in ocean circulation detected in the Southern Ocean
https://www.icm.csic.es/en/news/major-reversal-ocean-circulation-detected-southern-ocean-key-climate-implications
https://news.ycombinator.com/item?id=44461222

Opening up ‘Zero-Knowledge Proof’ technology
https://blog.google/technology/safety-security/opening-up-zero-knowledge-proof-technology-to-promote-privacy-in-age-assurance/
https://news.ycombinator.com/item?id=44457390

Fei-Fei Li: Spatial intelligence is the next frontier in AI [video]
https://www.youtube.com/watch?v=_PioN-CpOP0
https://news.ycombinator.com/item?id=44433996

Peasant Railgun
https://knightsdigest.com/what-exactly-is-the-peasant-railgun-in-dd-5e/
https://news.ycombinator.com/item?id=44455222

Flounder Mode – Kevin Kelly on a different way to do great work
https://joincolossus.com/article/flounder-mode/
https://news.ycombinator.com/item?id=44455933

AV1@Scale: Film Grain Synthesis, The Awakening
https://netflixtechblog.com/av1-scale-film-grain-synthesis-the-awakening-ee09cfdff40b
https://news.ycombinator.com/item?id=44456779

Launch HN: K-Scale Labs (YC W24) – Open-Source Humanoid Robots
https://news.ycombinator.com/item?id=44456904