Latest notes

Minimal, technical writing. Updated when there is signal.

• How the Mannaeans Sat on a J2a Genetic Frontier

  Feb 18, 2026 5 min

  • mannaeans
  • j2a-haplogroup
  • iron-age-iran
  • zagros-mountains
  • ancient-dna
  • assyrian-empire
  • history
• Why Earth’s Long Evolution Hints Most Planets Never Finish

  Feb 18, 2026 5 min

  • bayesian-inference
  • astrobiology
  • evolutionary-transitions
  • great-filter
  • fermi-paradox
  • research
• How to Turn ‘Room Temperature’ Into a Real Test Condition

  Jan 2, 2026 4 min

  • test-temperature
  • experimental-design
  • measurement-uncertainty
  • environmental-testing
  • thermal-control
  • research
• Three Structural Failure Modes of Single-Vector Cosine Routers

  Jan 2, 2026 4 min

  • embeddings
  • cosine-similarity
  • routing
  • llm-systems
  • retrieval
  • tool-selection
  • research
• Turning Clipboard SQL into a Self-Healing mycli Workflow

  Dec 30, 2025 4 min

  • shell
  • macos-clipboard
  • mycli
  • stdin-vs-files
  • command-chaining
  • code
• Designing Claude Code Tools Using an MVC Mental Model

  Dec 29, 2025 3 min

  • claude-code-tools
  • agents-and-skills
  • mvc-mental-model
  • tool-architecture
  • ai-integration
  • code
• Why ‘Solid’ Matter Is Mostly Empty Space Inside Atoms

  Dec 26, 2025 5 min

  • atomic-structure
  • rutherford-scattering
  • quantum-mechanics
  • nuclear-physics
  • science-communication
  • research
• Why Eridu Gets Called The First City At All

  Dec 25, 2025 5 min

  • eridu
  • first-cities
  • mesopotamia
  • ubaid-period
  • urban-origins
  • archaeology
• Combining BM25 and embeddings instead of using semantic search everywhere

  Dec 25, 2025 5 min

  • search
  • bm25
  • embeddings
  • semantic-search
  • information-retrieval
  • hybrid-search
  • code
• Using cheap embeddings to route language model requests

  Dec 25, 2025 5 min

  • llm-routing
  • embeddings
  • model-selection
  • classification
  • similarity-search
  • system-design
  • code

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