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  "path": "/spotlight/spotid=69361.php",
  "publishedAt": "2026-05-08T18:07:22.000Z",
  "site": "https://www.nanowerk.com",
  "textContent": "A coating made from paper-mill waste lignin and liquid metal nanoparticles absorbs 96% of sunlight, powering flat-panel thermoelectric generators while cutting carbon emissions below zero.",
  "title": "Paper mill waste and liquid metal combine into a 96% efficient solar absorber"
}