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  1. Understanding Superposition Physically and Mathematically

    Jun 10, 2019 · The concept of superposition manifests both in classical and quantum physics. These both have their root in the linearity of the abstract vector spaces used in system descriptions.

  2. A Definition and Controversy of Energy - Physics Forums

    May 27, 2015 · This perfectly legitimate question seems to cause a lot of confusion. So what is energy and how do conversations about what it is go wrong?

  3. Quantum Physics Forum • Physics Forums

    Apr 18, 2020 · Join in expert discussion on quantum physics. Quantum physics is the mathematical description of the motion and interaction of subatomic particles. Quantum Mechanics and Field Theory.

  4. Classical Physics Forum • Physics Forums

    Dec 7, 2025 · Join expert classical physics discussion on the principles developed before the rise of relativity and quantum mechanics. Including mechanics, electrodynamics, thermodynamics, optics.

  5. Learn LaTeX for Math Equations - Physics Forums

    Learn how to type mathematical equations using LaTeX LaTeX is the standard language used by mathematicians, physicists, etc. for typesetting mathematical expressions. PF uses MathJax, a …

  6. Why Is Quantum Mechanics So Difficult? - Physics Forums

    Aug 24, 2016 · There is a complete disconnect between our "existing" understanding of the universe based on classical understanding, and QM.

  7. Physics Articles | Classical to Quantum | Physics Forums Insights

    Sep 29, 2025 · Here contains the collection of expert physics articles that deal with physics topics. These span all skill ranges and may include astronomy and cosmology topics.

  8. The 7 Basic Rules of Quantum Mechanics - Physics Forums

    May 11, 2019 · The following formulation in terms of 7 basic rules of quantum mechanics was agreed upon among the science advisors of Physics Forums.

  9. General Discussion Forum - Physics Forums

    May 3, 2024 · Join the fun discussing casual topics sometimes outside the realm of science and technology. Maybe about books, movies, cooking, or general thoughts and commentary. This is a …

  10. High Energy, Nuclear, Particle Physics Forum

    Mar 30, 2019 · Join expert discussion on High Energy, Nuclear, Particle Physics. Properties, relationships, and interactions of subatomic particles. Experimental and theoretical physics of nuclei …