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  "path": "/spotlight/spotid=69591.php",
  "publishedAt": "2026-06-12T19:22:16.000Z",
  "site": "https://www.nanowerk.com",
  "textContent": "A 4D-printed microwave absorber uses heat to reshape itself and strengthen internal energy loss, enabling tunable shielding after fabrication.",
  "title": "4D-printed absorber uses heat-driven shape change to tune microwave shielding"
}