| 1. | | Precision Clock Mk IV (mitxela.com) |
| 552 points by ahlCVA on May 31, 2025 | 126 comments |
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| 2. | | A Lean companion to Analysis I (terrytao.wordpress.com) |
| 292 points by jeremyscanvic on May 31, 2025 | 42 comments |
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| 3. | | Beware of Fast-Math (simonbyrne.github.io) |
| 319 points by blobcode on May 31, 2025 | 224 comments |
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| 4. | | AtomVM, the Erlang virtual machine for IoT devices (atomvm.org) |
| 220 points by ahamez on May 28, 2025 | 68 comments |
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| 5. | | Using lots of little tools to aggressively reject the bots (lambdacreate.com) |
| 215 points by archargelod on May 31, 2025 | 145 comments |
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| 6. | | Oxfordshire clock still keeping village on time after 500 years (bbc.com) |
| 165 points by 1659447091 on May 29, 2025 | 88 comments |
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| 7. | | Gradients Are the New Intervals (mattkeeter.com) |
| 147 points by surprisetalk on May 31, 2025 | 69 comments |
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| 8. | | Revenge of the Chickenized Reverse-Centaurs (pluralistic.net) |
| 176 points by GreenWatermelon on May 28, 2025 | 133 comments |
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| 9. | | Valkey Turns One: Community fork of Redis (gomomento.com) |
| 249 points by cebert on May 30, 2025 | 111 comments |
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| 10. | | Reverse engineering of Linear's sync engine (github.com/wzhudev) |
| 175 points by flashblaze on May 29, 2025 | 33 comments |
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| 11. | | Show HN: AI Peer Reviewer – Multiagent system for scientific manuscript analysis (github.com/robertjakob) |
| 108 points by rjakob on May 31, 2025 | 95 comments |
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| 12. | | Webb telescope helps refine Hubble constant (phys.org) |
| 99 points by pseudolus on May 28, 2025 | 61 comments |
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| 13. | | Oniux: Kernel-level Tor isolation for any Linux app (torproject.org) |
| 199 points by marcodiego on May 31, 2025 | 52 comments |
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| 14. | | Every 5x5 Nonogram (pixelogic.app) |
| 175 points by eieio on May 31, 2025 | 86 comments |
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| 15. | | C++ to Rust Phrasebook (brown.edu) |
| 221 points by wcrichton on May 30, 2025 | 78 comments |
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| 16. | | YOLO-World: Real-Time Open-Vocabulary Object Detection (arxiv.org) |
| 148 points by greesil on May 31, 2025 | 52 comments |
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| 17. | | Mary Meeker's first Trends report since 2019, focused on AI (bondcap.com) |
| 175 points by kjhughes on May 30, 2025 | 94 comments |
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| 18. | | Show HN: PunchCard Key Backup (github.com/volution) |
| 148 points by ciprian_craciun on May 31, 2025 | 49 comments |
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| 19. | | The Rise of the Japanese Toilet (nytimes.com) |
| 198 points by Kaibeezy on May 31, 2025 | 381 comments |
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| 20. | | Simpler Backoff (commaok.xyz) |
| 132 points by todsacerdoti on May 31, 2025 | 45 comments |
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| 21. | | The Trackers and SDKs in ChatGPT, Claude, Grok and Perplexity (jamesoclaire.com) |
| 111 points by ddxv on May 31, 2025 | 15 comments |
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| 22. | | Using Ed(1) as My Static Site Generator (aartaka.me) |
| 95 points by BoingBoomTschak on May 31, 2025 | 39 comments |
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| 23. | | Sguaba: Hard-to-misuse rigid body transforms for engineers (helsing.ai) |
| 68 points by lukastyrychtr on May 31, 2025 | 24 comments |
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| 24. | | The Two Ideals of Fields (susam.net) |
| 58 points by susam on May 31, 2025 | 50 comments |
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| 25. | | Show HN: MCP Defender – OSS AI Firewall for Protecting MCP in Cursor/Claude etc (mcpdefender.com) |
| 64 points by gsundeep on May 29, 2025 | 40 comments |
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| 26. | | Designing Pareto-optimal RAG workflows with syftr (datarobot.com) |
| 67 points by roma_glushko on May 28, 2025 | 13 comments |
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| 27. | | Show HN: Fontofweb – Discover Fonts Used on a Website or Websites Using Font(s) (fontofweb.com) |
| 70 points by sim04ful on May 31, 2025 | 23 comments |
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| 28. | | The Illusion of Causality in Charts (filwd.substack.com) |
| 55 points by skadamat on May 28, 2025 | 34 comments |
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| 29. | | What's working for YC companies since the AI boom (jamesin.substack.com) |
| 140 points by jseidel on May 30, 2025 | 116 comments |
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| 30. | | Plutonium Powered Pacemaker (From 1974) (orau.org) |
| 63 points by BafS on May 31, 2025 | 28 comments |
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| More |
