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  "path": "/story/384726/worlds-tiniest-qr-code-isnt-visible-to-the-naked-eye.html",
  "publishedAt": "2026-03-08T15:42:07.000Z",
  "site": "https://www.newser.com",
  "textContent": "Engineers in Vienna have shrunk a working QR code down to a speck that's just 1.98 square micrometers across—small enough to require an electron microscope to read it, and also small enough to earn a place with Guinness World Records. Popular Science notes that the team at TU...",
  "title": "This QR Code Just Broke a World Record"
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