The models were machined from thick, clear polycarbonate at Duke ... and also make planes more maneuverable. Drag -- the rearward force on an airplane wing -- affects how much fuel the airplane ...

Wing of Tomorrow is examining a variety of new technologies which could be incorporated into lightweight low-drag wings, with broader spans and higher aspect ratios, to improve performance and ...

At high cruising speeds, where a perfectly perpendicular wing would create unwanted drag, the wing could be rotated clockwise so that the righthand leading edge came forward, and the left moved ...