The first human to fly in a wind tunnel was Jack Tiffany, while working with the Pioneer Parachute Company in 1964 in the US. But vertical wind tunnels have been around since Frank Winham built the first one in 1871 to test how high-speed air travelled around objects. Vertical wind tunnels stimulate freefalling by pushing wind upwards at great speeds, approximately 120mph varying on the individual. Often called indoor skydiving, or bodyflying, it is the art of flying in a controlled manner. Because the sensation is so...