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• Chinese Academy of Sciences Unveils Prototype "Contra-Rotary Ramjet" Engine Capable of Sustained Hypersonic Flight Above Mach 6

  Published: Apr 2, 2026

  Section: Science & Tech

  Researchers at the Chinese Academy of Sciences (CAS), led by Academician Xu Jianzhong, have completed and experimentally verified a prototype air-breathing engine designed to opera...