Air travel has been provided with a glimpse into the future as Boeing unveiled radical new designs for "transonic" travel - and it looks like we are returning to bi-planes for faster flight.This is no Bigglesian Sopwith – instead... " />

Boeing unveils transonic truss-braced wing and BBJ 777X designs

Air travel has been provided with a glimpse into the future as Boeing unveiled radical new designs for “transonic” travel – and it looks like we are returning to bi-planes for faster flight.This is no Bigglesian Sopwith – instead…