Precessing magnetic jet engine model reveals power source of rare 'heartbeat' gamma-ray burst

Prof. An Tao from the Shanghai Astronomical Observatory (SHAO) of the Chinese Academy of Sciences has proposed a novel ...
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V-2 Power Plant and Rocket Engine Drawings

This collection consists of a complete set of production blueprints for the V-2 rocket powerplant and directly related accessories. The V-2 was a short-range ballistic missile designed by Germany for ...