Feb 20, 2025 | Bluesky's lossy timelines are beneficial, walking aids faster healing of broken legs and ankles, Mastra is an open-source JS agent framework by Gatsby developers

This is a recap of the top 10 posts on Hacker News on Feb 20, 2025.When imperfect systems are good: Bluesky's lossy timelineshttps://jazco.dev/2025/02/19/imperfection/https://news.ycombinator.com/item?id=43105028Broken legs and ankles heal better if you walk on them within weekshttps://www.scientificamerican.com/article/broken-legs-and-ankles-heal-better-if-you-walk-on-them-within-weeks/https://news.ycombinator.com/item?id=43101383Show HN: Mastra – Open-source JS agent framework, by the developers of Gatsbyhttps://github.com/mastra-ai/mastrahttps://news.ycombinator.com/item?id=431030731972 Unix V2 "Beta" Resurrectedhttps://www.tuhs.org/pipermail/tuhs/2025-February/031420.htmlhttps://news.ycombinator.com/item?id=43108091Show HN: Subtrace – Wireshark for Docker Containershttps://github.com/subtrace/subtracehttps://news.ycombinator.com/item?id=43096477A secret poker game you can play on the subwayhttps://experience.prfalken.dev/english/subway-poker/https://news.ycombinator.com/item?id=43088124Scented products cause indoor air pollution on par with car exhausthttps://newatlas.com/environment/indoor-air-pollution-scented-terpenes/https://news.ycombinator.com/item?id=43109366Magma: A foundation model for multimodal AI agentshttps://microsoft.github.io/Magma/https://news.ycombinator.com/item?id=43110265Build your own SQLite in Rust, Part 5: Evaluating querieshttps://blog.sylver.dev/build-your-own-sqlite-part-5-evaluating-querieshttps://news.ycombinator.com/item?id=43108614Relaxed Radix Balanced Trees (2024)https://peter.horne-khan.com/relaxed-radix-balanced-trees/https://news.ycombinator.com/item?id=43103604