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Stories from April 21, 2023
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1. CATL has announced a new “condensed” battery with 500 Wh/kg (thedriven.io)
1099 points by rippercushions on April 21, 2023 | 843 comments
2. The EARN IT bill is back, seeking to scan our messages and photos (eff.org)
1264 points by glitcher on April 21, 2023 | 463 comments
3. The weird world of Windows file paths (fileside.app)
435 points by sharevari on April 21, 2023 | 285 comments
4. Windows on Btrfs (lilysthings.org)
503 points by susam on April 21, 2023 | 231 comments
5. Four-Byte Burger [video] (youtube.com)
337 points by DamnInteresting on April 21, 2023 | 89 comments
6. Scaling Databases at Activision [pdf] (sched.com)
241 points by ksec on April 21, 2023 | 120 comments
7. Show HN: We built a ClickHouse-based logging service (github.com/highlight)
192 points by vadman97 on April 20, 2023 | 110 comments
8. The Commission for Stopping Further Improvements (rootsofprogress.org)
166 points by feross on April 21, 2023 | 139 comments
9. Will boiling water ruin green tea? (myjapanesegreentea.com)
207 points by tmtvl on April 21, 2023 | 212 comments
10. Show HN: TxtNet Browser – Browse the Web over SMS, No Wi-Fi/Mobile Data Needed (github.com/lukeaschenbrenner)
234 points by lukeasch21 on April 21, 2023 | 73 comments
11. The “invented persona” behind the GISAID viral sequence database (science.org)
103 points by Metacelsus on April 21, 2023 | 47 comments
12. Office of the President of Mongolia: Top to bottom text on the web (president.mn)
348 points by robin_reala on April 21, 2023 | 208 comments
13. Atari 800XL Remake (revive-machines.com)
205 points by gtirloni on April 21, 2023 | 168 comments
14. GitHub Copilot emits GPL code (codeium.com)
586 points by fortenforge on April 21, 2023 | 370 comments
15. Looplets: A Language for Structured Coiteration (acm.org)
56 points by matt_d on April 21, 2023 | 33 comments
16. Inkscape is hiring: Accelerating the GTK4 migration (inkscape.org)
382 points by unglaublich on April 21, 2023 | 194 comments
17. Introducing 'Trusted Publishers' (pypi.org)
180 points by BerislavLopac on April 20, 2023 | 71 comments
18. AOLserver is America Online's Open-Source web server (2010) (aolserver.github.io)
203 points by marcodiego on April 21, 2023 | 100 comments
19. Show HN: Thoughts on Flash in 2023, in Flash, in 2023 (newgrounds.com)
267 points by rickdicker on April 21, 2023 | 124 comments
20. Glucomate: an app for people who record, track, and monitor their blood glucose (zachsim.one)
175 points by thecosas on April 20, 2023 | 76 comments
21. Revisiting the Fast Inverse Square Root – Is It Still Useful? (hllmn.net)
145 points by nhellman on April 20, 2023 | 51 comments
22. Faster LZ is not the answer to 150-250 GB video game downloads (richg42.blogspot.com)
191 points by ingve on April 21, 2023 | 263 comments
23. WebGPU GPT Model Demo (kmeans.org)
154 points by b_mc2 on April 21, 2023 | 29 comments
24. OpenBSD: Viogpu(4), a VirtIO GPU driver, added to -current (undeadly.org)
105 points by peter_hansteen on April 21, 2023 | 19 comments
25. Tell HN: Eid Mubarak
815 points by asim on April 21, 2023 | 328 comments
26. Show HN: Automatic prompt optimizer for LLMs (jina.ai)
126 points by artex_xh on April 21, 2023 | 55 comments
27. Physicists discover that gravity can create light (phys.org)
232 points by wglb on April 19, 2023 | 105 comments
28. Null Island is one of the most visited places on Earth, and it doesn’t exist (atlasobscura.com)
141 points by pncnmnp on April 21, 2023 | 87 comments
29. Tech bosses are letting dictators censor what Americans see (thedailybeast.com)
464 points by moose_man on April 21, 2023 | 359 comments
30. xPrize Wildfire – $11M Prize Competition (xprize.org)
73 points by TheBlapse on April 21, 2023 | 69 comments

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