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About Medford mail tribune. (Medford, Or.) 1909-1989 | View Entire Issue (May 30, 1962)
10 A WEDNESDAY. MAY 3D. 1962 MEDFOBD MAIL TRIBUNE. MEDTORD, OREGON .Basic Study of Crystals Movr ' Under Way by UO Researchers Eugene A basic tudy of crystals now beginning at the University of Oregon, using a powerful light and a large magnet, may help scientists Improve the delicate devices used in space communications. Dr. James C. Kemp, assist ant professor of physics, will conduct the study with a new $40,419 grant from the U.S. Air Force Office of Aerospace Research. Under study will be colored crystals, which have both the ability to absorb light and be come magnetized while in a magnetic field. Because of this latter property, these crystals can also absorb microwaves. Although these properties have been studied separately, Dr. Kemp will beam a strong light and microwaves on the crystals simultaneously to study their combined effect on the crystals' energy states. Relatively New Approach This is a relatively new re search approach, Dr. Kemp in dicated, and similar experi ments have been conducted elsewhere only during the past three years. Family Life Education Cuts Marriage Problems Eugene When a good pro-951 under Brown Trust sport- gram of family life education Is carried out by the public schools of a community over a considerable period of time "that community has fewer than average problems of high school marriage and sexual delinquency." This is the opinion of Cur tis E. Avery, professor of ed ucation at the University of Oregon and director of the E. C. Brown Trust, writing In the current issue of The Fam ily Life Coordinator, a Brown Trust publication. The trust is a non-profit educational foundation estab lished to promote the objec tives of family life education in Oregon. It is administered by the university. Ralationshlp Noted In writing of the reduction 'in social problems among teenagers, Avery commented that "it would be unscientific to say that family life educa tion is the direct and sole cause of tliij happy fact, but somehow it seems inescapable that there is a relationship." These opinions on the bene fits of such education are based, Avery writes, on "an accumulation of Ideas and ex periences" gained from the Oregon Developmental Center Project in Family Life Educa tion. This project, begun in sorship, is designed to orient teachers to the basic principles of family life education and conduct experiments in teach ing techniques and methods. Family life education need not be a special course In the curriculum in order to be suc cessful, Avery pointed out, and it is frequently integrated into othr subject matter, par ticularly in the lower grades, 1955 Larceny Case Dismissed by Court Charges of larceny in a dwelling were dismissed yes terday in Jackson county circuit court against Darwin Coda Powers, of O'Brien. Reasons for the district at torney's motion for dismissal were that the action com menced in 1955 and should have been completed previ ously to fully 'accord the de fendant his constitutional rights." Prosecution would de feat the cause of justice, the motion said. Powers had been charged with taking a pistol from the Star Ranger station in the Applcgate March 19, 19SS. The ' magnetic field neces sary for the experiments will be provided by a new high power electromagnet with magnetic faces which are 12 inches in diameter. The magnet and its power source were recently purchased by the university through an $11,000 gift from the Tektronix Foundation of Portland. Some of the experiments will be done under extreme ly low temperatures, achieved through the use of liquid hel ium. The low temperatures will slow down the reactions within the crystals for more detailed observation. Colored crystals contain op tical energy levels or states which come -Into play succes sively as they are exposed to increasingly stronger light. In the absence of light, the ener gy levels are in the "ground stale. However, this ground state can be split into sub levels of energy when the crystal is placed in a mag netic field. In Space Communication Although his project is presently aimed at basic knowledge of crystals, the study of these energy levels is of importance in space com munications, Dr. Kemp point ed out, because the energy is used by coinmunciation de vices called masers and lasers, both invented within the last decade. Masers use the transitions between the sublevels of the ground state In magnetic crys tals and similar substances as a source of energy to generate or amplify microwaves. The device Is- used as a preamp lifier to detect weak radio waves from satellites and stars. The laser generates or amp lifies light, using the transi tions between the optical lev els of magnetic crystals for an energy source. It will be potentially useful in space communciations, Dr. Kemp said. These devices may be im proved, he Indicated, when more is known about the basic structure of magnetic crystals. Inspiration, Inc. PRESENTS... 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