| 1. | | The Raspberry Pi 4 needs a fan (jeffgeerling.com) |
| 566 points by geerlingguy on July 17, 2019 | 277 comments |
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| 2. | | What's Coming in Python 3.8 (lwn.net) |
| 638 points by superwayne on July 17, 2019 | 536 comments |
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| 3. | | What every computer science major should know (2011) (might.net) |
| 540 points by rspivak on July 16, 2019 | 182 comments |
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| 4. | | Notre-Dame came closer to collapsing than people knew (nytimes.com) |
| 494 points by Luc on July 17, 2019 | 239 comments |
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| 5. | | How can phone companies detect tethering? (android.stackexchange.com) |
| 458 points by antouank on July 17, 2019 | 223 comments |
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| 6. | | Operating a large distributed system in a reliable way: practices I learned (pragmaticengineer.com) |
| 378 points by gregdoesit on July 17, 2019 | 61 comments |
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| 7. | | The PGP Problem (latacora.micro.blog) |
| 483 points by wrench4916 on July 17, 2019 | 368 comments |
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| 8. | | Zelda Screen Transitions Are Undefined Behaviour (gridbugs.org) |
| 366 points by Kaali on July 17, 2019 | 100 comments |
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| 9. | | Cobol Still Powers the Global Economy (tpr.org) |
| 256 points by psim1 on July 16, 2019 | 192 comments |
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| 10. | | Inaccurate chart led to unwarranted fears of 5G wireless technology (nytimes.com) |
| 178 points by bookofjoe on July 16, 2019 | 206 comments |
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| 11. | | Google Search is routinely gamed by private blog networks (unlikekinds.com) |
| 354 points by whalabi on July 17, 2019 | 153 comments |
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| 12. | | Owl – OCaml Scientific Computing (ocaml.xyz) |
| 190 points by alokrai on July 16, 2019 | 76 comments |
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| 13. | | Show HN: Graph Processing with Python and GraphBLAS (github.com/michelp) |
| 122 points by michelpp on July 17, 2019 | 19 comments |
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| 14. | | Firefox to Warn When Saved Logins Are Found in Data Breaches (bleepingcomputer.com) |
| 312 points by rahuldottech on July 17, 2019 | 111 comments |
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| 15. | | Investigating the Galileo Satellite Navigation System Outage with a LimeSDR (destevez.net) |
| 151 points by lysp on July 17, 2019 | 41 comments |
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| 16. | | Ballista: Distributed Compute with Rust, Apache Arrow, and Kubernetes (andygrove.io) |
| 194 points by andygrove on July 17, 2019 | 99 comments |
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| 17. | | Neuralink Live Stream [video] (youtube.com) |
| 390 points by miguelrochefort on July 17, 2019 | 287 comments |
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| 18. | | In Denmark's Train Dream, the Next Big City Is Only an Hour Away (citylab.com) |
| 123 points by pseudolus on July 17, 2019 | 135 comments |
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| 19. | | Show HN: Turn your fzf into a live REPL (paweldu.dev) |
| 190 points by pawelduda on July 17, 2019 | 27 comments |
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| 20. | | OpenSSH taking minutes to become available, booting takes half an hour (2018) (daniel-lange.com) |
| 135 points by zdw on July 17, 2019 | 98 comments |
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| 21. | | Egyptian ‘bent’ pyramid dating back 4,600 years opens to public (independent.co.uk) |
| 108 points by everbody on July 17, 2019 | 52 comments |
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| 22. | | How to Find Hidden Cameras in Your Airbnb (sans.edu) |
| 361 points by greencore on July 17, 2019 | 313 comments |
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| 23. | | Faster, cheaper, and better: A story of breaking a monolith (zepworks.com) |
| 148 points by seperman on July 17, 2019 | 45 comments |
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| 24. | | An interview with Margaret Hamilton (theguardian.com) |
| 139 points by CrankyBear on July 16, 2019 | 12 comments |
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| 25. | | Maps Reveal the Difference in How Cities Are Perceived by Tourists and Locals (archdaily.com) |
| 192 points by touristtam on July 16, 2019 | 102 comments |
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| 26. | | EU opens Amazon antitrust investigation (theverge.com) |
| 244 points by Tomte on July 17, 2019 | 86 comments |
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| 27. | | The Semantics of Transactions and Weak Memory in x86, Power, ARM, and C++ (usenix.org) |
| 91 points by mpweiher on July 17, 2019 | 17 comments |
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| 28. | | Going Down the Pipes (1996) (topic.com) |
| 37 points by onemind on July 17, 2019 | 2 comments |
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| 29. | | You thought OpenStreetMap data uses the WGS84 datum? No it doesn't (openstreetmap.org) |
| 196 points by Reventlov on July 17, 2019 | 39 comments |
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| 30. | | Google's Project Dragonfly 'Terminated' in China (bbc.com) |
| 264 points by nedp on July 17, 2019 | 280 comments |
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