Like iron birds flying into the sky.
The fundamentals of aviation Airplanes are supported in flight by air pressure which is reconfigured when air flows over the wing of the airplane. Each object immersed in fluid (e.g. air or water) is subject to a pressure on all its surfaces, a force on each unit of area due to the weight of the air or water that is above (even if some surfaces are oriented downwards or laterally). In the absence of motion -- for example, when the airplane is stationary on the runway -- a wing is subject...