Hacker News – 30 Jul 2025

Table of Contents Natural Disasters and Human Response M8.7 earthquake in Western Pacific, tsunami warning issued Tech in Education Study mode Innovations in AI and Open Source Launch HN: Hyprnote (YC S25) – An open-source AI meeting notetaker Show HN: Terminal-Bench-RL: Training long-horizon terminal agents with RL Science and Technology Sleep all comes down to the mitochondria How the brain increases blood flow on demand Cultural Reflections in Tech RIP Shunsaku Tamiya, the man who made plastic model kits a global obsession Analoguediehard