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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 "precessing magnetic jet engine" model to explain the peculiar gamma-ray burst ...
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Plasma jet engines face a major hurdle: extreme power demands

Plasma jet engines promise a future of fuel-free, electrically driven flight, but the technology faces a stubborn obstacle ...