UK-based Geoff's Flying Saucer (GFS) Projects has demonstrated its Coanda-effect unmanned air vehicle to the Ministry of Defence. The 0.91m (3ft)-diameter, 5.45kg (12lb) GFS-6a and smaller -7 ...
A research team at Chalmers University of Technology, Sweden, has demonstrated a unique method that can reduce the aerodynamic resistance of ships by 7.5%. Central to the method is the steady flow ...
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