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Walker, Jearl – Scientific American, 1989
Discusses the shock wave sweeping through traffic flow. Describes the characteristics of kinematic waves in different traffic flows. Presents the author's experiences in studying traffic flow. (YP)
Descriptors: Higher Education, Motion, Physics, Science Activities
Hofstadter, Douglas R. – Scientific American, 1981
Discusses Heisenberg's uncertainty principle in simple terms. Presents scientific examples leading to the development of the principle and describes popular misconceptions associated with it. (SK)
Descriptors: College Science, Energy, Higher Education, Light