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Kryjevskaia, Mila; Stetzer, MacKenzie R.; Heron, Paula R. L. – Physical Review Special Topics - Physics Education Research, 2013
In a previous paper that focused on the transmission of periodic waves at the boundary between two media, we documented difficulties with the basic concepts of wavelength, frequency, and propagation speed, and with the relationship v=f[lambda]. In this paper, we report on student attempts to apply this relationship in problems involving two-source…
Descriptors: Optics, Physics, Scientific Concepts, College Science
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Franchi, Jorge – TechTrends, 1994
Highlights of this overview of virtual reality include optics; interface devices; virtual worlds; potential applications, including medicine and archaeology; problems, including costs; current research and development; future possibilities; and a listing of vendors and suppliers of virtual reality products. (Contains 11 references.) (LRW)
Descriptors: Archaeology, Computer Oriented Programs, Costs, Futures (of Society)