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    "story_id": "mp-2026-08-05-002",
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    "headline": "The Sensor Hid Without Going Deaf",
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    "dek": "A microwave prototype routed waves around its body while concentrating the field at a tiny probe, reporting lower scattering and a stronger detected signal at once.",
    "summary": "A microwave prototype routed waves around its body while concentrating the field at a tiny probe, reporting lower scattering and a stronger detected signal at once.",
    "body_text": "A preprint describes a transformation-optics architecture that treats the large sensor body, subwavelength probe and electrical connection as one electromagnetic system. Its core-shell structure guides incident microwave fields around the body while funneling energy through a small aperture to the probe. In tests from 4.9 to 5.1 gigahertz, the authors report more than 3 decibels of broadband scattering suppression and an average sixfold detected-signal enhancement. The result is a laboratory microwave demonstration, not perfect invisibility, a universal cloak or evidence of performance in biomedical, quantum or deep-space applications.",
    "why_it_matters": "A microwave prototype routed waves around its body while concentrating the field at a tiny probe, reporting lower scattering and a stronger detected signal at once.",
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      "The result is a laboratory microwave demonstration, not perfect invisibility, a universal cloak or evidence of performance in biomedical, quantum or deep-space applications."
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        "text": "A microwave prototype routed waves around its body while concentrating the field at a tiny probe, reporting lower scattering and a stronger detected signal at once.",
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        "qualification": "The result is a laboratory microwave demonstration, not perfect invisibility, a universal cloak or evidence of performance in biomedical, quantum or deep-space applications."
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    "tags": [
      "metamaterials",
      "sensing",
      "microwaves",
      "transformation optics"
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    {
      "source_id": "source-2026-08-05-002",
      "title": "arXiv preprint: Breaking the trade-off between invisibility and sensitivity in electromagnetic sensing",
      "publisher": "arXiv",
      "url": "https://arxiv.org/abs/2608.03042",
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    "title": "The Sensor Hid Without Going Deaf",
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    "published_at": "2026-08-05T09:00:00.000-04:00",
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