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Forringer, Ted – Physics Teacher, 2014
In our science for non-science majors course "21st Century Physics," we investigate modern "Hubble plots" (plots of velocity versus distance for deep space objects) in order to discuss the Big Bang, dark matter, and dark energy. There are two potential challenges that our students face when encountering these topics for the…
Descriptors: Inquiry, Nonmajors, Physics, Discovery Processes
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Braun, Gregory; Tierney, Dennis; Schmitzer, Heidrun – Physics Teacher, 2011
Rosalind Franklin, a chemical physicist (1920-1958), used x-ray diffraction to determine the structure of DNA. What exactly could she read out from her x-ray pattern, shown in Fig. 1? In lecture notes dated November 1951, R. Franklin wrote the following: "The results suggest a helical structure (which must be very closely packed) containing 2, 3…
Descriptors: Genetics, Women Scientists, Biophysics, Gender Bias
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Devons, Samuel – Physics Teacher, 1978
Describes the various attempts, efforts and experiments that were carried out by the leading investigators in the field in their search for electromagnetic induction phenomena. (GA)
Descriptors: Discovery Processes, Electricity, Magnets, Physics