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1. Category Theory Illustrated – Orders (https://abuseofnotation.github.io)
2. Amiga Graphics (https://amiga.lychesis.net)
3. Claude Design (https://www.anthropic.com)
4. Show HN: I made a calculator that works over disjoint sets of intervals (https://victorpoughon.github.io)
5. The simple geometry behind any road (https://sandboxspirit.com)
6. Measuring Claude 4.7's tokenizer costs (https://www.claudecodecamp.com)
7. Towards trust in Emacs (https://eshelyaron.com)
8. All 12 moonwalkers had "lunar hay fever" from dust smelling like gunpowder (2018) (https://www.esa.int)
9. Spending 3 months coding by hand (https://miguelconner.substack.com)
10. Rewriting Every Syscall in a Linux Binary at Load Time (https://amitlimaye1.substack.com)
11. A simplified model of Fil-C (https://www.corsix.org)
12. Are the costs of AI agents also rising exponentially? (2025) (https://www.tobyord.com)
13. It is incorrect to "normalize" // in HTTP URL paths (https://runxiyu.org)
14. Brunost: The Nynorsk Programming Language (https://lindbakk.com)
15. Show HN: Smol machines – subsecond coldstart, portable virtual machines (https://github.com)
16. Slop Cop (https://awnist.com)
17. Show HN: PanicLock – Close your MacBook lid disable TouchID –> password unlock (https://github.com)
18. "cat readme.txt" is not safe if you use iTerm2 (https://blog.calif.io)
19. Hyperscalers have already outspent most famous US megaprojects (https://twitter.com)
20. Middle schooler finds coin from Troy in Berlin (https://www.thehistoryblog.com)
21. NASA Force (https://nasaforce.gov)
22. Landmark ancient-genome study shows surprise acceleration of human evolution (https://www.nature.com)
23. Making Wax Sealed Letters at Scale (https://waxletter.com)
24. NIST gives up enriching most CVEs (https://risky.biz)
25. Casus Belli Engineering (https://marcosmagueta.com)
26. The Unix executable as a Smalltalk method (2025) [video] (https://www.youtube.com)
27. Introducing: ShaderPad (https://rileyjshaw.com)
28. Arc Prize Foundation (YC W26) Is Hiring a Platform Engineer for ARC-AGI-4 (https://www.ycombinator.com)
29. Michael Rabin Has Died (https://en.wikipedia.org)
30. The GNU libc atanh is correctly rounded (https://inria.hal.science)