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    "headline": "A Scanned Laser Makes Viscous Fluid Spin the Sample",
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    "dek": "Helical thermoviscous flows rotated micro-objects out of plane and improved multiview microscopy.",
    "summary": "Helical thermoviscous flows rotated micro-objects out of plane and improved multiview microscopy.",
    "body_text": "A focused infrared laser scanned a two-dimensional pattern to create three-dimensional flows, holding spinning particles within roughly 200 nanometers of position. Fixed-cell demonstrations resolved nuclei hidden in one view; live-cell compatibility in the viscous medium remains limited.",
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      "source_id": "source-2026-07-19-020",
      "title": "Light Publishing Center via EurekAlert: Helical microrotation",
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