Hacker News · February 17, 2026 · 12:20

Molecular networks that can learn & GrapheneOS on Pixel phones - Hacker News (Feb 17, 2026)

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Molecular networks that can learn & GrapheneOS on Pixel phones - Hacker News (Feb 17, 2026)
0:0012:20

Today's Hacker News Topics

  1. 01

    Molecular networks that can learn

    — Simulations of gene regulatory networks (GRNs) show Pavlov-style conditioning, rising causal emergence (phi), and hints of agency below organism level—keywords: Michael Levin, associative learning, causal emergence, integrated information.
  2. 02

    GrapheneOS on Pixel phones

    — A hands-on switch from Apple/Android to GrapheneOS: Pixel-only support, web installer steps, sandboxed Play Services, profiles for compartmentalization—keywords: privacy, security, Verified Boot, Titan M, Obtainium, Aurora Store.
  3. 03

    ASCII control keys explained clearly

    — A four-column 7-bit ASCII table makes CTRL-key mappings intuitive by zeroing high bits; it clarifies ESC as CTRL+[ and explains ^M with CRLF—keywords: control characters, caret notation, terminals, bitwise AND.
  4. 04

    Undo behavior across vi variants

    — A tour of undo/redo semantics from POSIX vi’s single-level toggle to Vim’s multi-level model and nvi’s dot extension—keywords: u, Ctrl-r, POSIX, compatibility, editor ergonomics.
  5. 05

    Dolphin adds Triforce arcade support

    — Dolphin Emulator’s mainline builds now run the GameCube-based Triforce arcade platform, covering hardware boards, security keys, Segaboot, and multiplayer/network quirks—keywords: Triforce, JVS, DIMM, Mario Kart Arcade GP, F-Zero AX.
  6. 06

    Rendering a realistic visible spectrum

    — An essay argues most “visible spectrum” images are wrong and proposes a physics-driven spectrum renderer with gamut mapping and Abney-effect corrections—keywords: CIE XYZ, sRGB, chromaticity, gamut, spectrumrenderer.
  7. 07

    Origami folds for disaster shelters

    — A 14-year-old used Miura-ori parametric design to create fold patterns that hold up to 200 pounds, pointing toward rapid-deploy emergency shelters—keywords: Miura-ori, strength-to-weight, deployable structures, testing rig.
  8. 08

    Fixing the incentives in science fairs

    — A critique of modern science fairs says they reward lab-affiliated ‘glorified internships’ over student inquiry, proposing categories like null results and replication—keywords: inquiry learning, reproducibility, incentives, Regeneron/ISEF.
  9. 09

    Why OKRs beat Deming in US

    — An argument that OKRs thrive because they reduce managerial complexity, while Deming’s statistical-process approach demands deeper system understanding—keywords: Drucker, Deming, management by objectives, variability, SPC.

Sources & Hacker News References