7.17.25 | Altermagnets introduce a new type of magnet, Ex-Waymo engineers create Bedrock Robotics for construction automation, Pgactive offers Postgres active-active replication

This is a recap of the top 10 posts on Hacker News on Jul 17, 2025.Altermagnets: The first new type of magnet in nearly a centuryhttps://www.newscientist.com/article/2487013-weve-discovered-a-new-kind-of-magnetism-what-can-we-do-with-it/https://news.ycombinator.com/item?id=44583171Ex-Waymo engineers launch Bedrock Robotics to automate constructionhttps://techcrunch.com/2025/07/16/ex-waymo-engineers-launch-bedrock-robotics-with-80m-to-automate-construction/https://news.ycombinator.com/item?id=44584372Pgactive: Postgres active-active replication extensionhttps://github.com/aws/pgactivehttps://news.ycombinator.com/item?id=44580257I want an iPhone Mini-sized Android phone (2022)https://smallandroidphone.com/https://news.ycombinator.com/item?id=44586723“Reading Rainbow” was created to combat summer reading slumpshttps://www.smithsonianmag.com/smithsonian-institution/to-combat-summer-reading-slumps-this-timeless-childrens-television-show-tried-to-bridge-the-literacy-gap-with-the-magic-of-stories-180986984/https://news.ycombinator.com/item?id=44588491Artisanal handcrafted Git repositorieshttps://drew.silcock.dev/blog/artisanal-git/https://news.ycombinator.com/item?id=44586064Intel's retreat is unlike anything it's done before in Oregonhttps://www.oregonlive.com/silicon-forest/2025/07/intels-retreat-is-unlike-anything-its-done-before-in-oregon.htmlhttps://news.ycombinator.com/item?id=44585755Show HN: Improving search ranking with chess Elo scoreshttps://www.zeroentropy.dev/blog/improving-rag-with-elo-scoreshttps://news.ycombinator.com/item?id=44582662How and where will agents ship software?https://www.instantdb.com/essays/agentshttps://news.ycombinator.com/item?id=44585002Show HN: A 'Choose Your Own Adventure' written in Emacs Org Modehttps://tendollaradventure.com/sample/https://news.ycombinator.com/item?id=44587248