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1. ArkFlow: High-performance Rust stream processing engine (github.com/arkflow-rs)
36 points by klaussilveira 1 hour ago | hide | 5 comments
2. LibreLingo – FOSS Alternative to Duolingo (librelingo.app)
523 points by hyperific 10 hours ago | hide | 225 comments
3. Why performance optimization is hard work (purplesyringa.moe)
66 points by todsacerdoti 3 hours ago | hide | 9 comments
4. Pyrefly - A faster Python type checker written in Rust (pyrefly.org)
42 points by muglug 3 hours ago | hide | 24 comments
5. Show HN: Flowcode – Turing-complete visual programming platform (getflowcode.io)
115 points by gabigrin 6 hours ago | hide | 47 comments
6. Qwen3: Think deeper, act faster (qwenlm.github.io)
755 points by synthwave 19 hours ago | hide | 339 comments
7. Show HN: A Chrome extension that will auto-reject non-essential cookies (bymitch.com)
102 points by mitch292 4 hours ago | hide | 86 comments
8. Why did Windows 7 log on slower for months if you had a solid color background? (microsoft.com)
415 points by zdw 16 hours ago | hide | 188 comments
9. Firefox tab groups are here (blog.mozilla.org)
14 points by TangerineDream 24 minutes ago | hide | 3 comments
10. A single line of code cost $8000 (pietrasiak.com)
169 points by lordfuckleroy 10 hours ago | hide | 201 comments
11. Gaussian Splatting Meets ROS2 (github.com/shadygm)
21 points by shadygm 4 hours ago | hide | 8 comments
12. Programming languages should have a tree traversal primitive (tylerglaiel.com)
63 points by azhenley 3 hours ago | hide | 57 comments
13. Generative AI is not replacing jobs or hurting wages at all, say economists (theregister.com)
213 points by pseudolus 5 hours ago | hide | 303 comments
14. Try Switching to Kagi (daringfireball.net)
286 points by Ch00k 8 hours ago | hide | 198 comments
15. After 53 years, a failed Soviet Venus spacecraft is crashing back to Earth (gizmodo.com)
70 points by WalterGR 3 hours ago | hide | 20 comments
16. One-sixth of the planet's cropland has toxic levels of one or more metals (elpais.com)
27 points by PaulHoule 2 hours ago | hide | 20 comments
17. What Is "Induced Atmospheric Vibration"? (physics.stackexchange.com)
67 points by belter 3 hours ago | hide | 29 comments
18. The One-Person Framework in Practice (mail.beehiiv.com)
298 points by frans 18 hours ago | hide | 115 comments
19. Heart disease deaths worldwide linked to chemical widely used in plastics (medicalxpress.com)
117 points by amichail 4 hours ago | hide | 43 comments
20. How to build Intrinsic Motivation: a review of the science (erringtowardsanswers.substack.com)
41 points by buzzmerchant 6 hours ago | hide | 5 comments
21. One Million Chessboards (onemillionchessboards.com)
292 points by chunkles 20 hours ago | hide | 51 comments
22. Running Clojure in WASM with GraalVM (romanliutikov.com)
184 points by roman01la 20 hours ago | hide | 31 comments
23. Ask HN: What are you working on? (April 2025)
346 points by david927 1 day ago | hide | 1041 comments
24. Widespread power outage in Spain and Portugal (bbc.com)
1474 points by lleims 1 day ago | hide | 1093 comments
25. Manuscript of Ismail al-Jazarī's Ingenious Mechanical Devices (ca. 17th century) (publicdomainreview.org)
77 points by YoctoYARN 13 hours ago | hide | 27 comments
26. Show HN: A pure WebGL image editor with filters, crop and perspective correction (github.com/xdadda)
226 points by axelMI 23 hours ago | hide | 74 comments
27. Implement Flash Attention Back End in SGLang – Basics and KV Cache (hebiao064.github.io)
24 points by latchkey 10 hours ago | hide | 1 comment
28. Greek Particles (1990) (specgram.com)
53 points by veqq 13 hours ago | hide | 29 comments
29. Show HN: Sim Studio – Open-Source Agent Workflow GUI (github.com/simstudioai)
171 points by waleedlatif1 23 hours ago | hide | 51 comments
30. Japan unveils first solar super-panel (japanenergyevent.com)
66 points by elsewhen 3 hours ago | hide | 36 comments

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