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  "path": "/news/2026-04-revealing-strength-impact.html",
  "publishedAt": "2026-04-02T10:40:03.000Z",
  "site": "https://techxplore.com",
  "tags": [
    "Engineering"
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  "textContent": "Imagine a paint that changes color depending on how hard its surface is hit. It could be used on football helmets to monitor concussion-level impacts, to record the handling history of shipped packages, or placed on insoles to analyze an orthopedic patient's gait.",
  "title": "This paint changes colors when hit, revealing location and strength of impact"
}