Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Physics Forums - The Fusion of Science and Community

  1. Science Education

    1. Homework and Coursework Questions

      Discussions:
      247,102
      Messages:
      1,455,737
      Latest: A child slides down the helical water slide AB(Polar Coord.)

    2. Science and Math Textbooks

      Discussions:
      5,046
      Messages:
      31,733
      Latest: What do you call these problems and where can I find more

    3. Open Practice Problems

      Discussions:
      14,141
      Messages:
      14,184
      Latest: Calculate circle radius with segment height and perimeter

    4. Academic Guidance

      Discussions:
      24,268
      Messages:
      200,206
      Latest: Geometry- where to start, how far to go?

    5. Educators and Teaching

      Discussions:
      524
      Messages:
      7,284
      Latest: Biophysics course in 2-year colleges

    6. Career Guidance

      Discussions:
      6,089
      Messages:
      50,383
      Latest: What Can You Do With An Applied Physics Dregree

  2. Physics

    1. General Physics

      Discussions:
      43,992
      Messages:
      367,113
      Latest: Foucault's Pendulum Recreation for Physics Project

    2. Classical Physics

      Discussions:
      23,336
      Messages:
      172,769
      Latest: Rotation of the door

    3. Quantum Physics

      Discussions:
      21,422
      Messages:
      231,154
      Latest: Introduction to Perturbative Quantum Field Theory - Comments

    4. Special and General Relativity

      Discussions:
      17,469
      Messages:
      257,801
      Latest: Photon states should not evolve?

    5. Atomic & Condensed Matter

      Discussions:
      5,617
      Messages:
      28,333
      Latest: How to simulate a lattice with boundary conditions?

    6. High Energy, Nuclear, Particle Physics

      Discussions:
      7,094
      Messages:
      52,547
      Latest: Direct detection of Planck mass WIMPs?

    7. Beyond the Standard Model

      Discussions:
      5,130
      Messages:
      63,683
      Latest: Space is "Entangled", says Leonard Susskind

  3. Astronomy and Cosmology

    1. Astronomy and Astrophysics

      Discussions:
      11,690
      Messages:
      113,025
      Latest: Solar imaging and techniques

    2. Cosmology

      Discussions:
      6,147
      Messages:
      79,585
      Latest: Quantised Inertia

  4. Mathematics

    1. General Math

      Discussions:
      17,691
      Messages:
      133,436
      Latest: Intermediate Math Problem of the Week 9/18/2017

    2. Calculus

      Discussions:
      13,800
      Messages:
      82,608
      Latest: Indefinite integral

    3. Differential Equations

      Discussions:
      4,946
      Messages:
      23,722
      Latest: Laplace equation- variable domain

    4. Topology and Analysis

      Discussions:
      1,323
      Messages:
      8,995
      Latest: Proving that square root of 2 exists

    5. Linear and Abstract Algebra

      Discussions:
      9,123
      Messages:
      57,969
      Latest: Finding the Kernel of a Matrix Map

    6. Differential Geometry

      Discussions:
      3,645
      Messages:
      23,833
      Latest: Need (or not) for invoking axiom of choice in a certain case

    7. Set Theory, Logic, Probability, Statistics

      Discussions:
      7,472
      Messages:
      45,444
      Latest: Detecting a Torus in a data cloud

    8. Math Software and LaTeX

      Discussions:
      4,709
      Messages:
      21,331
      Latest: Small matlab code not working. Why ?

  5. Engineering

    1. General Engineering

      Discussions:
      7,899
      Messages:
      57,159
      Latest: Reservoir system

    2. Mechanical Engineering

      Discussions:
      12,309
      Messages:
      83,381
      Latest: Equation of motion for a driving wheel

    3. Electrical Engineering

      Discussions:
      18,683
      Messages:
      144,346
      Latest: I need help understanding a PLL

    4. Materials and Chemical Engineering

      Discussions:
      2,868
      Messages:
      12,591
      Latest: Emulsion in acid environment

    5. Nuclear Engineering

      Discussions:
      1,845
      Messages:
      38,748
      Latest: Japan Earthquake: nuclear plants part 2

  6. Other Sciences

    1. Chemistry

      Discussions:
      8,078
      Messages:
      45,043
      Latest: What remains after H2O evaporates from H2SO4?

    2. Programming and Computer Science

      Discussions:
      5,511
      Messages:
      38,259
      Latest: Purpose of Abstract Class

    3. Biology and Medical

      Discussions:
      8,773
      Messages:
      78,020
      Latest: Why does natural selection favor convoluted vaginas?

    4. Computing and Technology

      Discussions:
      6,407
      Messages:
      49,487
      Latest: Advances in Machine Intelligence

    5. Earth

      Discussions:
      2,029
      Messages:
      23,883
      Latest: Earthquakes around the globe

  7. PF Lounge

    1. General Discussion

      Discussions:
      39,909
      Messages:
      989,818
      Latest: Contest: Equations as Art 2017

    2. Science Fiction and Fantasy

      Discussions:
      1,161
      Messages:
      19,917
      Latest: Most realistic propelling technologies?

    3. Feedback and Announcements

      Discussions:
      4,232
      Messages:
      48,299
      Latest: I'm wondering if I can be a staff member

    4. New Member Introductions

      Discussions:
      6,827
      Messages:
      18,116
      Latest: Physics Nerd