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    "story_id": "mp-2026-08-11-017",
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    "headline": "Two Metals and Tiny Channels Took the Beam's Heat",
    "slug": "two-metals-and-tiny-channels-took-the-beam-s-heat",
    "dek": "A tilted bimetallic absorber spreads energy while two-millimeter water channels carry it away.",
    "summary": "A tilted bimetallic absorber spreads energy while two-millimeter water channels carry it away.",
    "body_text": "The FRIB prototype combines CuCrZr and Al2219 and was tested in vacuum with a 17-keV electron beam. Infrared and embedded-temperature measurements supported the thermal model under representative loading.",
    "why_it_matters": "A tilted bimetallic absorber spreads energy while two-millimeter water channels carry it away.",
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    "modified_at": "2026-08-11T09:00:00.000-04:00",
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    "tags": [
      "accelerators",
      "thermal engineering",
      "heavy ions"
    ],
    "image_url": null,
    "corrections": []
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  "sources": [
    {
      "source_id": "source-2026-08-11-019",
      "title": "arXiv preprint 2608.09671",
      "publisher": "arXiv",
      "url": "https://arxiv.org/abs/2608.09671",
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      "published_at": "2026-08-10T13:00:00.000-04:00",
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    "title": "Two Metals and Tiny Channels Took the Beam's Heat",
    "publisher": "The Machine Press",
    "published_at": "2026-08-11T09:00:00.000-04:00",
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