Recent content by zheng89120

  1. Z

    Which scatters light more: a sphere or a hemisphere?

    In simple diagrams, which shape scatters light in a flatter "cone" (if that's the shape): a) O<--- b) D<--- (O being a sphere, and D being a hemisphere)
  2. Z

    Which scatters light more: a sphere or a hemisphere?

    In case the context, which this question is based needs to be provided, the context follows. A sub-project was being done on using sphere or hemisphere "scatterers" on TFSC (Thin-Film Solar Cells). These "scatterers" can be applied on the top of a TFSC in order so that the solar cells can...
  3. Z

    When is there going to be audio (academic) papers?

    Like there have been audio (layman) books.
  4. Z

    Electron vs. Photon's electrical potential

    Hello, Thank you the replies. Unfortunately, my 'photon as scattered by hemisphere' project was suppose to be due April/13. So I was wondering if there is any possibility of representing a photon as some classical dielectric function, without using quantum electrodynamic theories. Could a...
  5. Z

    Electron vs. Photon's electrical potential

    Hello, Thank you for your informative replies. Anyhow, I was just wondering if there is any possibility of approximating a photon with classical dielectric theories, and without quantum electrodynamic theories. My 'photon as scattered by hemisphere' project was suppose to be due April/13...
  6. Z

    Electron vs. Photon's electrical potential

    Right, so the paper that I was referring to was called "Electron-energy losses in hemispherical targets": http://dipc.ehu.es/aizpurua/publications/PRB54-2901.pdf So I was not sure where to start in order to calculate the electrical potential of a Photon, traveling in empty space, being...
  7. Z

    Electron vs. Photon's electrical potential

    Hi guys, After reading a paper about electron scattering, I became very interested. So if an electron is traveling in empty space, the electron's potential (according to the paper) is supposedly: http://www.flickr.com/photos/31694672@N07/ (I used flickr and Glui to post the particular...
  8. Z

    Are there any in demand graduate field of physics?

    So, I am going into my final year of a physics degree in a pretty reputable university, and some of my former marks were not up to the 3.0 standard (EDIT: a lot of my former marks were not nearly up to the 3.0 standard), although I am hoping that my last year marks, if I choose to go into it...
  9. Z

    Courses Anatomy & Biochem 101 to Basic Concepts

    i.e. anatomy 101, biochem 101
  10. Z

    Does U of T Engineering Science Consider School Difficulty in Admissions?

    Taking AP classes will show on your transcript, and would look good.
  11. Z

    Should I transfer from physics to nuclear engineering?

    Hello, so I am currently in a respectable physics program at Queen's University in Canada. I have finished 3 years in the degree (after 4 years, long story...), but my former GPA was around 2.0, not nearly up to the 3.0 standard. I am now considering transferring to the nuclear engineering...
  12. Z

    Does anyone have any good web resources to learn math methods?

    Lately, I have become interested in learning math methods (actually reviewing, because I have taken a math methods course already). I have watched some of Prof. Strang's (MIT) Math Methods for Engineer videos, and couldn't say that I was a big fan of that video series. For one, it was for...
  13. Z

    Extracting Uranium from seawater

    So, I recently came upon a SA article "How long will the world's uranium supplies last?" (http://www.scientificamerican.com/article.cfm?id=how-long-will-global-uranium-deposits-last), and one of the paragraphs talked about: "Two technologies could greatly extend the uranium supply itself...
  14. Z

    Physics Does it matter if a physics internship is paid or not?

    So, I am an undergraduate student who wasn't able to obtain a national scholarship (REU, NSERC type) for this summer. But I was able to get an internship with a professor, who needed a certain project to be done in his lab, and apparently rather desperately. However I went in with the premise...
  15. Z

    Question about nuclear engineering programs

    So, I'm an undergraduate student at an university without a nuclear engineering program, and a prospective graduate student. I am interested in research in nuclear engineering having to do with breeder reactors. I was wondering, when I am looking at nuclear engineering programs offered by a...
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