Hacker News – 27 Jul 2025

Table of Contents Corporate Transformations When We Get Komooted Chemical process produces critical battery metals with no waste Coronary artery calcium testing can reveal plaque in arteries, but is underused Tech Innovations Linux on Snapdragon X Elite: Linaro and Tuxedo Pave the Way for ARM64 Laptops Fast and cheap bulk storage: using LVM to cache HDDs on SSDs Smallest particulate matter sensor revolutionizes air quality measurement AI Developments Sapients paper on the concept of Hierarchical Reasoning Model How we rooted Copilot Rust running on every GPU Programming and Development Resizable structs in Zig Implementing dynamic scope for Fennel and Lua Janet: Lightweight, Expressive, Modern Lisp Cultural and Philosophical Insights Purple Earth hypothesis Beyond Food and People 16colo.rs: ANSI/ASCII art archive