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Some Unsolved Problems of Aviation Otolaryngology.Col. Paul A. Campbell (MC), U. S. A. F.
Among the problems which the Air Force is seeking to solve are noise production, noise sources, and the media through which the energy is transmitted. Methods of cancellation of wave sources and conversion of noise into useful energy have been the subject of considerable research. Future problems have to deal with the behavior and the reactions of the human being in a gravity-free field such as envisioned when space travel becomes a reality. When the vestibular apparatus and the kinesthetic sense are inoperative through elimination of the gravity vector, what will be the effect on orientation? Another problem for the future is the construction of a completely sealed cabin in which pressurized air and oxygen have to be provided for really high altitudes and means devised
Schall LA, Salinger S, Maxwell JH. AMERICAN OTOLARYNGOLOGICAL ASSOCIATION. AMA Arch Otolaryngol. 1958;68(2):263–266. doi:10.1001/archotol.1958.00730020271017