Daily Tech Feed: Hacker News

DTF:HN for April 18, 2026

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Your Daily Tech Feed covering the top 10 stories on Hacker News for April 18, 2026. Featuring: Category Theory Illustrated – Orders, Amiga Graphics, Michael Rabin Has Died, Claude Design, Show HN: I made a calculator that works over disjoint sets of intervals, and more.

Stories covered:

  1. Category Theory Illustrated – Orders
    (Article | HN Discussion | 🎧 0:33)
  2. Amiga Graphics
    (Article | HN Discussion | 🎧 4:35)
  3. Michael Rabin Has Died
    (Article | HN Discussion | 🎧 8:02)
  4. Claude Design
    (Article | HN Discussion | 🎧 11:30)
  5. Show HN: I made a calculator that works over disjoint sets of intervals
    (Article | HN Discussion | 🎧 14:44)
  6. Measuring Claude 4.7's tokenizer costs
    (Article | HN Discussion | 🎧 18:19)
  7. Towards trust in Emacs
    (Article | HN Discussion | 🎧 21:52)
  8. All 12 moonwalkers had "lunar hay fever" from dust smelling like gunpowder (2018)
    (Article | HN Discussion | 🎧 24:42)
  9. The simple geometry behind any road
    (Article | HN Discussion | 🎧 28:06)
  10. Spending 3 months coding by hand
    (Article | HN Discussion | 🎧 31:07)
    11. ...more
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