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  "path": "/article/nasas-experimental-quiet-supersonic-plane-passes-another-critical-milestone/",
  "publishedAt": "2026-06-12T20:27:00.000Z",
  "site": "https://www.scientificamerican.com",
  "textContent": "NASA's X-59 research aircraft reached its target speed and altitude for the first time on Friday",
  "title": "NASA's experimental quiet supersonic plane passes another critical milestone"
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