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  "path": "/2026/05/18/teotihuacan-magnetite/",
  "publishedAt": "2026-05-19T03:53:42.000Z",
  "site": "https://www.themarginalian.org",
  "tags": [
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    "science",
    "birds",
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  "textContent": "A recent visit to Teotihuacán — the ancient Mesoamerican city in present-day Mexico, built by earlier cultures around 600 BCE and later rediscovered by the Aztecs — left me wonder-smitten by the see-saw of our search for truth and our search for meaning, by a peculiar confluence of chemistry, culture, and chance that unrinds the layers of reality to put us face to face with the mystery at its core. Situated at the foot of a dormant volcano, Teotihuacán stunned the Toltec settlers with the discovery of a lustrous black material partway between stone and glass, brittle yet hard, breathlessly… read article",
  "title": "Obsidian and the Birds: An Odyssey of Wonder from the Aztecs to the Quantum World"
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