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Full-Text Articles in Physics
Electron Energy Loss In Oxygen Plasmas, G. A. Victor, John C. Raymond, Jane L. Fox
Electron Energy Loss In Oxygen Plasmas, G. A. Victor, John C. Raymond, Jane L. Fox
Jane L. Fox
The results of calculations of the energy deposition of energetic electrons in oxygen plasmas are given. In a pure oxygen plasma even with large fractional ionization, much of the electron energy results in the production of additional ionization and excited electronic states. Results are given for separate calculations using theoretical and experimental cross sections for the important O I excitations of 1S and 1D because the theoretical and experimental data are not in agreement. These results are useful for understanding the spectra of oxygen-rich supernova remnants.
More On Twinkling, Terry L. Smith, Jay S. Huebner
More On Twinkling, Terry L. Smith, Jay S. Huebner
Terry L. Smith
Addendum to Why Magnification Works , The Physics Teacher, 1994, 32, 102.
Why Magnification Works, Terry L. Smith, Jay S. Huebner
Why Magnification Works, Terry L. Smith, Jay S. Huebner
Terry L. Smith
The simplest way to magnify the view of a small object is to bring the object closer to the eye, and of course science teachers know about magnifying glasses, telescopes, and microscopes.But why magnification works seems intuitive and is not usually explained to our students. We present here a few ideas on magnification that we use in our classroom and some general information on vision that we hope will be helpful to other teachers.
Why Magnification Works, Terry L. Smith, Jay S. Huebner
Why Magnification Works, Terry L. Smith, Jay S. Huebner
Jay S Huebner
The simplest way to magnify the view of a small object is to bring the object closer to the eye, and of course science teachers know about magnifying glasses, telescopes, and microscopes.But why magnification works seems intuitive and is not usually explained to our students. We present here a few ideas on magnification that we use in our classroom and some general information on vision that we hope will be helpful to other teachers.