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  "path": "/videos/paperskies-the-soviet-fighter-that-could-change-shape-in-flight/",
  "publishedAt": "2026-04-03T04:52:50.000Z",
  "site": "https://nebula.tv",
  "tags": [
    "Engineering",
    "History"
  ],
  "textContent": "The story of the IS-1 (Joseph Stalin-1), a Soviet fighter that could transform from a biplane into a monoplane mid-flight. This ambitious experiment promised high speed and maneuverability but ultimately delivered neither.",
  "title": "The Soviet Fighter That Could Change Shape in Flight"
}