Supersonic biplane puts an end to those sonic booms

Biplanes once ruled the skies in the pioneering days of aviation and World War I. Now the old aircraft design could make a comeback in the silent supersonic jets of tomorrow. A newer version of the biplane could reach supersonic cruising speeds without causing ear-splitting sonic booms, according to computer simulations by MIT and Stanford University researchers. They built upon the design of German engineer Adolf Busemann, who originally envisioned triangular wings connected at their tips.

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