7.23.26 | Terence Tao discusses Jacobian Conjecture counterexample, Bento creates HTML PowerPoint, John C Dvorak passes away

This is a recap of the top 10 posts on Hacker News on Jul 23, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:17) - Terence Tao's ChatGPT conversation about the Jacobian Conjecture counterexample (01:37) - Show HN: Bento - An entire PowerPoint in one HTML file (edit+view+data+collab) (03:03) - John C. Dvorak has died (03:41) - Are AI labs pelicanmaxxing? (05:09) - So Reddit has decided that plain HTML is unsafe (06:32) - The startup's Postgres survival guide (07:48) - Everyone should know SIMD (09:20) - Making (10:46) - Quality non-fiction books are the antithesis of AI slop (12:04) - Outro Terence Tao's ChatGPT conversation about the Jacobian Conjecture counterexamplehttps://chatgpt.com/share/6a5fdc7a-d6f8-83e8-bbea-8deb42cfed56https://news.ycombinator.com/item?id=49010345Show HN: Bento - An entire PowerPoint in one HTML file (edit+view+data+collab)https://bento.page/slides/https://news.ycombinator.com/item?id=49008211John C. Dvorak has diedhttps://twitter.com/na_announce/status/2079952538040672302https://news.ycombinator.com/item?id=49012070Are AI labs pelicanmaxxing?https://dylancastillo.co/posts/pelicanmaxxing.htmlhttps://news.ycombinator.com/item?id=49010129GigaToken: ~1000x faster Language model tokenizationhttps://github.com/marcelroed/gigatoken/https://news.ycombinator.com/item?id=49010167So Reddit has decided that plain HTML is unsafehttps://www.cole-k.com/2026/07/21/reddit/https://news.ycombinator.com/item?id=49005747The startup's Postgres survival guidehttps://hatchet.run/blog/postgres-survival-guidehttps://news.ycombinator.com/item?id=49005787Everyone should know SIMDhttps://mitchellh.com/writing/everyone-should-know-simdhttps://news.ycombinator.com/item?id=49010648Makinghttps://beej.us/blog/data/ai-making/https://news.ycombinator.com/item?id=49008440Quality non-fiction books are the antithesis of AI slophttps://resobscura.substack.com/p/quality-non-fiction-books-are-thehttps://news.ycombinator.com/item?id=49007247