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  "path": "/nanotechnology-news3/newsid=69191.php",
  "publishedAt": "2026-04-20T15:40:26.000Z",
  "site": "https://www.nanowerk.com",
  "textContent": "A nanoengineered wrist-worn triboelectric sensor captures arterial pulse waves under real-world conditions and uses machine learning to classify driver fatigue with up to 98 percent accuracy.",
  "title": "Nanoengineered wrist sensor detects driver fatigue through pulse wave analysis"
}