于人之思想中构建和平

Aviation at age 75

This issue, which marks the 30th anniversary of the International Civil Aviation Organization, is devoted to the development of aviation and highlights the shape of things to come. Tomorrow's aircraft are already being designed and laboratory-tested. The two brilliantly-coloured photos that comprise the cover were taken at the hydraulic test tunnel of France's aerospace research centre (ONERA) at Châtillon near Paris. Below, simulation of aerodynamic flow around an experimental delta-wing plane. Above, turbulence created by a thin obstacle.

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April 1978