Recent content by apostolosdt

  1. apostolosdt

    Greek Mythology: Sisyphus

    Read Camus; and, please, don’t take everything too literally.
  2. apostolosdt

    Intro Physics I need help to pick a physics book

    Giancoli; I have used it in several AP-level classes and it was well absorbed by the students. I guess you are aware of the calculus-based book by the same author, too.
  3. apostolosdt

    Getting started in photography

    Wow! I wished that much of enthusiasm went into physics posts, too! Anyway, here's my advice list. 1. If really serious about photography, enroll in a class; nothing can replace a good course and/or an enthusiastic tutor. 2. If you want to try your own steps, then start with a mechanical...
  4. apostolosdt

    I Is there action at a distance at the atomic level in physics?

    Nice, provocative question. As a starter, look into Wheeler-Feynman’s theory; perhaps the Wikipedia article on action at a distance. But keep it “low” and confine it to electromagnetism only.
  5. apostolosdt

    Announcement New community where you can talk politics

    With due respect to this Forum and its distinguished members, it is my humble opinion that politics (and philosophy, for that matter) is not a suitable topic in a scientific forum—especially one devoted to an experimental science as physics.
  6. apostolosdt

    B Need an on-line calculator for a simple calculation

    “Ordinary” calculators executing such tasks should be programmable. Try any HP emulator, like HP-15C. Finding one online might be tricky; the above suggestion is better.
  7. apostolosdt

    I Newtonian "schema/paradigm" != Newton's mechanics

    With due respect to all the members who have contributed to the present thread, this is not the physics I've been taught or the physics I've been teaching.
  8. apostolosdt

    Classical Which books are good for reviewing classical mechanics?

    Well, Gigapedia was a site with about half a million scientific titles in downloadable formats. When authorities shut it down, it was described like a second Library of Alexandria loss by its users. There was even some sort of petition signed by a number of academicians to reopen it!
  9. apostolosdt

    Classical Which books are good for reviewing classical mechanics?

    You can find all those books you mention in the Internet, but it would be illegal to download any of them, unless you get official permission. Yes, I'm afraid good old times of Gigapedia and the like have long gone. Have you tried any relevant courses on the OCM.MIT site? Many instructors have...
  10. apostolosdt

    A Tumulka on Bohmian QED

    It looks like I've caused sort of sidetrack in your thoughts, for which I apologize. In one of your previous posts here, the passage "...QED (and the whole Standard Model) is just a long-distance effective theory, emerging from some unknown more fundamental theory formulated with entirely...
  11. apostolosdt

    A Tumulka on Bohmian QED

    I appreciate your understanding of my... caprice with "philosophy" in a physics context. But still, my question genuinely holds: Which Wilson are you referring to? For I googled the name and a lot of philosophers under "Wilson" came up. Looks like the name is quite popular among philosophers. My...
  12. apostolosdt

    A Tumulka on Bohmian QED

    Sorry, but which Wilson are you referring to? Not Kenneth, I presume.
  13. apostolosdt

    Courses Do I Need Quantum Mechanics for a Future in Cosmology?

    At this level you might need classical mechanics more than EM. But for a solid background, eventually you will need all the “Four Knights”: classical mechanics, electromagnetism, quantum mechanics, and statistical mechanics.
  14. apostolosdt

    Free Body Diagram of Mass-Spring System

    On second thought, you're most probably right; the role of a free-body diagram is to show only the essential parts of the situation. Thank you for correcting me.
  15. apostolosdt

    Free Body Diagram of Mass-Spring System

    I was under the impression that free-body diagrams are only used in static cases to depict all applied forces summing up to equilibrium.
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