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下記の記事が出ている。

　Hypersonic travel moves a step closer: Orbital and Nasa 3D printed scramjet engine part survives critical wind tunnel tests
　Daily Mail: 22 January, 2016
　http://www.dailymail.co.uk/sciencetech/article-3412590/Hypersonic-travel-moves-step-closer-Orbital-Nasa-3D-printed-scramjet-engine-survives-major-wind-tunnel-tests.html