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Stresses the need for purifying water for the various uses of a community, and shows methods of aerating, filtrating, disinfecting, and testing a city's water supply. Illustrates the complexity of...
Examines the role of radio as a means of mass communication from its inception up to, and including, 1950. Includes many of the radio personalities of the late 1940s such as Jack Benny, Bob Hope, ...
Describes the nature and use of artificial radio waves generated by man; examines the ionosphere, and explains its critical role in passing, reflecting, and absorbing radio waves; discusses natural...
Pictures and describes the regional campuses of Indiana University, pointing out their function and relationship to the University as a whole. Shows activities at the campuses, both inside the clas...
Shows the harnessing of atomic energy for peacetime uses in the United States. Shows scientists and technicians working in the Atomic Energy Commission's laboratories and pants. Describes new use...
Reviews the rise of Hitler to power, his broken promises, the invasion of Germany's neighbors, Germany's eventual defeat, and the Allied occupation of Germany, with its many problems which are aggr...
Provides a close look at the works and creative philosophy of Robert Erickson, a composer and inventor of musical instruments. Illustrates Erickson composing an original composition, '9 1/2 for Hen...
