7.18.26 | AWS billing issues, HN support gratitude, Kaiser nurses concerns

This is a recap of the top 10 posts on Hacker News on Jul 18, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:20) - AWS: Inaccurate Estimated Billing Data – $1.7 billion (01:49) - Thanks HN for 15 years of support and helping me find my life's work (03:12) - Kaiser nurses say AI, workplace surveillance are making their jobs, care worse (04:31) - First atmosphere found on Earth-like planet in habitable zone of distant star (05:59) - The state of open source AI (07:31) - Kimi K3, and what we can still learn from the pelican benchmark (09:15) - Three ways people respond to a problem (other than solving it) (10:37) - Learning a few things about running SQLite (11:59) - The Zilog Z80 has turned 50 (13:08) - FAA lets Boeing sign off on 737 MAX, 787 airworthiness certificates again (14:33) - Outro AWS: Inaccurate Estimated Billing Data – $1.7 billionhttps://news.ycombinator.com/item?id=48945241Thanks HN for 15 years of support and helping me find my life's workhttps://news.ycombinator.com/item?id=48949551Kaiser nurses say AI, workplace surveillance are making their jobs, care worsehttps://localnewsmatters.org/2026/07/15/kaiser-nurses-say-ai-workplace-surveillance-are-making-their-jobs-and-patient-care-worse/https://news.ycombinator.com/item?id=48952880First atmosphere found on Earth-like planet in habitable zone of distant starhttps://www.bbc.com/news/articles/cy4kdd1e0ejohttps://news.ycombinator.com/item?id=48947560The state of open source AIhttps://stateofopensource.ai/https://news.ycombinator.com/item?id=48947825Kimi K3, and what we can still learn from the pelican benchmarkhttps://simonwillison.net/2026/Jul/16/kimi-k3/https://news.ycombinator.com/item?id=48947717Three ways people respond to a problem (other than solving it)https://improvesomething.today/responses-to-problems/https://news.ycombinator.com/item?id=48947490Learning a few things about running SQLitehttps://jvns.ca/blog/2026/07/17/learning-about-running-sqlite/https://news.ycombinator.com/item?id=48950122The Zilog Z80 has turned 50https://goliath32.com/blog/z80.htmlhttps://news.ycombinator.com/item?id=48951461FAA lets Boeing sign off on 737 MAX, 787 airworthiness certificates againhttps://www.cnbc.com/2026/07/17/faa-boeing-737-max-787.htmlhttps://news.ycombinator.com/item?id=48952439