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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
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This is a recap of the top 10 posts on Hacker News on Jul 17, 2025.
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Altermagnets: The first new type of magnet in nearly a century
https://www.newscientist.com/article/2487013-weve-discovered-a-new-kind-of-magnetism-what-can-we-do-with-it/
https://news.ycombinator.com/item?id=44583171
Ex-Waymo engineers launch Bedrock Robotics to automate construction
https://techcrunch.com/2025/07/16/ex-waymo-engineers-launch-bedrock-robotics-with-80m-to-automate-construction/
https://news.ycombinator.com/item?id=44584372
Pgactive: Postgres active-active replication extension
https://github.com/aws/pgactive
https://news.ycombinator.com/item?id=44580257
I 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 slumps
https://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=44588491
Artisanal handcrafted Git repositories
https://drew.silcock.dev/blog/artisanal-git/
https://news.ycombinator.com/item?id=44586064
Intel's retreat is unlike anything it's done before in Oregon
https://www.oregonlive.com/silicon-forest/2025/07/intels-retreat-is-unlike-anything-its-done-before-in-oregon.html
https://news.ycombinator.com/item?id=44585755
Show HN: Improving search ranking with chess Elo scores
https://www.zeroentropy.dev/blog/improving-rag-with-elo-scores
https://news.ycombinator.com/item?id=44582662
How and where will agents ship software?
https://www.instantdb.com/essays/agents
https://news.ycombinator.com/item?id=44585002
Show HN: A 'Choose Your Own Adventure' written in Emacs Org Mode
https://tendollaradventure.com/sample/
https://news.ycombinator.com/item?id=44587248
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