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Physics Forums | Science Articles, Homework Help, Discussion

  1. Homework Help

    1. Introductory Physics Homework

      Diving Board Torque with No Given Mass of Diver

    2. Advanced Physics Homework

      Conductor sphere floating on a dielectric fluid

    3. Precalculus Mathematics Homework

      Defects in laptops

    4. Calculus and Beyond Homework

      Intersection of any 2 intervals --> all intervals intersect

    5. Biology, Chemistry and Earth Homework

      Help with physical geography

    6. Engineering and Computer Science Homework

      Computer Execution Time Problem

  2. Science Education and Careers

    1. Science and Math Textbooks

      Chemistry textbook for Physicists

    2. Academic Guidance

      2019 REU/Summer Program Acceptance Thread

    3. Educators and Teaching

      An Accurate Simple Harmonic Oscillator Laboratory - Comments

    4. Career Guidance

      Volunteer/unpaid work to build skills

  3. Physics

    1. General Physics

      Reading on a light meter

    2. Classical Physics

      How to treat the "ideal" plate capacitor more rigorously?

    3. Quantum Physics

      Parity operator and a free particle on a circle

    4. Special and General Relativity

      Implication of length contraction

    5. Atomic and Condensed Matter

      Gruneisen Parameter

    6. High Energy, Nuclear, Particle Physics

      Does Charge Conjugation change the electromagnetic field?

    7. Beyond the Standard Model

      The wrong turn of string theory: our world is SUSY at low energies

  4. Astronomy and Cosmology

    1. Astronomy and Astrophysics

      How is Dark Matter distributed around our galaxy?

    2. Cosmology

      Can a single photon make up a universe?

  5. Mathematics

    1. General Math

      What's the meaning of "random" in Mathematics?

    2. Calculus

      1 to the power of infinity, why is it indeterminate?

    3. Differential Equations

      Continuity of Green's function

    4. Topology and Analysis

      Where is the actual space inside a tesseract?

    5. Linear and Abstract Algebra

      Relation Between Cross Product and Infinitesimal Rotations

    6. Differential Geometry

      Variational derivative and Euler-Poincare equations

    7. Set Theory, Logic, Probability, Statistics

      Distribution Notation

    8. MATLAB, Maple, Mathematica, LaTeX, Etc

      plot of ##\sin(x)/\log(x)##.

  6. Engineering

    1. General Engineering

      Find out suitable SI units to work with Vibration Sensor

    2. Mechanical Engineering

      Lowest friction bearings

    3. Electrical Engineering

      Need help in regulating +/-36V regulated supplies

    4. Materials and Chemical Engineering

      Mass Transfer

    5. Nuclear Engineering

      Which Tally type should I use in MCNP6?

    6. DIY Projects

      Low Voltage AC-AC or AC-DC Step Up

  7. Other Sciences

    1. Chemistry

      Help converting the NIST spectrogram of Calcium

    2. Programming and Computer Science

      Object Oriented Programming vs Structural Programming

    3. Biology and Medical

      Ashwagandha (Withaferin A) effective in cancer treatment

    4. Computing and Technology

      Problem logging onto sbcglobal.net email

    5. Earth

      Equvialence of Gravity Weight and PSI

  8. The Rest Frame Lounge

    1. General Discussion

      "What Is It?" update

    2. Science Fiction and Fantasy Media

      World destroying solar storm/binary orbit

    3. Feedback and Announcements

      Should we have an "open problems" section in this forum?

    4. New Member Introductions

      Hello, fellow physics enthusiasts