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  1. Show HN: Koi.rest – watch some fish and regain your balance

    https://koi.rest
  2. Show HN: Make cursed fonts like Times New Bastard

    https://bastardica.mitpit.com
  3. California is chasing wealth that has feet

    https://blog.landeconomics.org/p/california-is-chasing-wealth-that
  4. Show HN: Whiteboard (YC W26) – An open-source IDE for thoughtful software design

    https://github.com/devdotfast/whiteboard
  5. Why is the liver so weirdly regenerative?

    https://dynomight.substack.com/p/liver
  6. 2DWillNeverDie

    https://2dwillneverdie.com/
  7. Fearless SIMD v1.0

    https://linebender.org/blog/fearless-simd-1-0/
  8. My weird new hobby: Wandering around Tokyo on Google Maps

    https://ahmedhossamdev.com/writing/my-weird-new-hobby-wandering-around-tokyo/
  9. Rails World 2026 Opening Keynote [video]

    https://www.youtube.com/watch?v=vDjW_dRyKXY
  10. Using LLMs to trace alchemical knowledge and decode 17th century letters

    https://resobscura.substack.com/p/ai-labs-need-to-start-funding-historical
  11. Toyota is taking the Corolla electric

    https://electrek.co/2026/09/23/toyota-best-selling-corolla-electric/
  12. Google’s Project Suncatcher to put ML infrastructure in space

    https://blog.google/innovation-and-ai/models-and-research/google-research/google-project-suncatcher-facts/
  13. jobStable (YC W20) Is Hiring Product Engineers

    https://www.usestable.com/careers/product-engineer
  14. Sourcehut account takeover via build logs (XSS in ansi2html)

    https://blog.arusekk.pl/posts/srht-account-takeover/
  15. Book review: Is parallel programming hard, and, if so, what can you do about it?

    https://ahelwer.ca/post/2026-09-21-concurrency-textbook/
  16. The Board Game of the Alpha Nerds (2014)

    https://grantland.com/features/diplomacy-the-board-game-of-the-alpha-nerds/
  17. Security auditing in the age of (good enough) AI

    https://blog.trailofbits.com/2026/09/18/auditing-in-the-age-of-good-enough-ai/
  18. Two-tier encryption in the UK

    https://macanorak.com/two-tier-encryption-in-the-uk/
  19. Forging 1024-bit RSA signatures in nearly SNFS time [pdf]

    https://eprint.iacr.org/2026/2131.pdf
  20. The forgotten battle of East Lansing

    https://eastlansinginfo.news/the-forgotten-battle-of-east-lansing/
  21. Geothermal heat map of US hot springs

    https://www.soakingsprings.com/hot-springs/geothermal-map
  22. Early rogue AI agent activity and attempts to hack found on urlquery.net

    https://transluce.org/agent-activity
  23. WaveDigger: Dig into wireless signals to discover their physical locations

    https://github.com/christianrowlands/wavedigger
  24. Opus 5.5 is good at explainer videos

    https://launchvideo.io
  25. Show HN: AgentRun: DSL to turn agents into workflows

    https://github.com/Parcha-ai/agentrun
  26. Show HN: Critic – Review code with the agent that wrote it

    https://www.critic.run/