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Physics Forums - The Fusion of Science and Community

  1. Science Education

    1. Homework and Coursework Questions

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      Homework and Coursework Questions

      Sub-Forums

      1. Introductory Physics Homework

      2. Advanced Physics Homework

      3. Precalculus Mathematics Homework

      4. Calculus and Beyond Homework

      5. Biology, Chemistry and Earth Homework

      6. Engineering and Computer Science Homework

      Latest: Problem of fluid -- Blocks, pulley, two fluids Chestermiller, Mar 3, 2015 at 2:27 PM

    2. Science and Math Textbooks

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      Latest: Re-learning Calculus 1 CalcNerd, Mar 3, 2015 at 7:13 AM

    3. Academic Guidance

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      Latest: Self-Studying: Theoretical Calculus vs Analysis KCC2, Mar 3, 2015 at 2:25 PM

    4. Career Guidance

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      Latest: I'm not sure I want to go into the field I'm going into Choppy, Mar 3, 2015 at 1:08 PM

    5. Educators and Teaching

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      Latest: Looking for feedback on physics animations Matt Whibley, Mar 3, 2015 at 6:46 AM

    6. STEM Learning Materials

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      Latest: Material that'll help improve write-ups for lab experiments? Vagn, Mar 1, 2015 at 3:36 PM

  2. Physics

    1. General Physics

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      Latest: Resolution of a paradox in relation to a TOE SpiderET, Mar 3, 2015 at 2:22 PM

    2. Classical Physics

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      Latest: Mythbusters: Blow your own sail A.T., Mar 3, 2015 at 1:52 PM

    3. Quantum Physics

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      Latest: How is the vacuum energy affected by nearby particles? friend, Mar 3, 2015 at 1:41 PM

    4. Special and General Relativity

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      Latest: Quick calculation check please PeterDonis, Mar 3, 2015 at 2:04 PM

    5. Atomic, Solid State, Comp. Physics

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      Latest: Determine the intensities of GaAs crystal planes ralden, Mar 3, 2015 at 9:12 AM

    6. High Energy, Nuclear, Particle Physics

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      Latest: Does the Monster Group appear in String Theory? nuclearhead, Mar 3, 2015 at 11:13 AM

    7. Beyond the Standard Model

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      Latest: Ali and Das, "Cosmology from quantum potential" write4u, Mar 3, 2015 at 10:21 AM

  3. Astronomy and Cosmology

    1. Astronomy and Astrophysics

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      Latest: Is the Universe deterministic? Ken G, Mar 3, 2015 at 2:19 PM

    2. Cosmology

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      Latest: Why "Dark Energy density" instead of CC? wabbit, Mar 3, 2015 at 2:23 PM

    3. Stargazing and Telescopes

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      Latest: Here are some astrophotos I've taken lately scott mcleod jr, Mar 3, 2015 at 9:55 AM

  4. Mathematics

    1. General Math

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      Latest: How do you find the area of a circle? HallsofIvy, Mar 3, 2015 at 1:23 PM

    2. Calculus

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      Latest: Newton Leibnitz Formula for Evaluating Definite Integrals HallsofIvy, Mar 3, 2015 at 1:43 PM

    3. Differential Equations

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      Latest: Understanding coupled Runga Kutta derivation ognik, Mar 2, 2015 at 9:35 PM

    4. Topology and Analysis

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      Latest: Clarification about Poincaré's conjecture lavinia, Mar 3, 2015 at 1:45 PM

    5. Linear and Abstract Algebra

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      Latest: 4th order tensor double product Bteranto, Mar 3, 2015 at 1:44 AM

    6. Differential Geometry

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      Latest: Koszul connexion lavinia, Mar 3, 2015 at 1:57 PM

    7. Set Theory, Logic, Probability, Statistics

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      Latest: Macro-states and dice DrClaude, Mar 3, 2015 at 1:56 PM

    8. Math Software and LaTeX

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      Latest: Looking for calculus program to find volume Mark44, Mar 3, 2015 at 1:44 PM

  5. Engineering

    1. General Engineering

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      Latest: horsepower needed to lift 600 lb load, w/8 motors mootz, Mar 3, 2015 at 2:25 PM

    2. Engineering Systems and Design

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      Latest: Fan Descender Design Project billy_joule, Mar 3, 2015 at 2:10 PM

    3. Mechanical Engineering

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      Mechanical Engineering

      Sub-Forums

      1. Aerospace Engineering

      2. Automotive Engineering

      Latest: Heat Transfer help... William12, Mar 3, 2015 at 2:00 PM

    4. Electrical Engineering

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      Latest: Mini projector Kasim, Mar 3, 2015 at 1:33 PM

    5. Materials and Chemical Engineering

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      Latest: Calculating mixture residual/departure enthalpy from EOS Chestermiller, Mar 3, 2015 at 7:19 AM

    6. Nuclear Engineering

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      Latest: List of Neutron Moderators Evanish, Mar 3, 2015 at 2:22 PM

  6. Other Sciences

    1. Chemistry

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      37,415
      Latest: Molasses vs. Rust Quantum Defect, Mar 3, 2015 at 11:10 AM

    2. Biology

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      Latest: What might cell membranes look like on Titan? gravenewworld, Mar 3, 2015 at 11:23 AM

    3. Medical Sciences

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      Latest: Water, salt, baking soda mixture to treat sinusitis berkeman, Mar 3, 2015 at 11:30 AM

    4. Programming and Computer Science

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      Latest: What is the best way to build a physics simulation Fooality, Mar 2, 2015 at 7:43 PM

    5. Earth

      Discussions:
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      20,351
      Latest: Impact: Earth! A meteor/comet impact simulator OmCheeto, Mar 2, 2015 at 8:11 PM

    6. Computing and Technology

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      Computing and Technology

      Sub-Forums

      1. Calculators

      Latest: Is 4GB of VRAM overkill for 1080p gaming? Hercuflea, Mar 2, 2015 at 10:56 AM

  7. PF Lounge

    1. General Discussion

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      General Discussion

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      1. Current Events

      2. History and Humanities

      3. Photography

      4. Fun, Photos and Games

      5. Relationships

      6. Social Sciences

      Latest: Green Woodpecker and Weasel Greg Bernhardt, Mar 3, 2015 at 2:14 PM

    2. Science Fiction and Fantasy

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      Science Fiction and Fantasy

      Sub-Forums

      1. Science Fiction Writing

      Latest: Who is your favorite SciFi character? m_robertson, Mar 3, 2015 at 2:13 PM

    3. Feedback and Announcements

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      Feedback and Announcements

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      1. PF Member Awards 2014

      Latest: Scribble pad along with normal posting Greg Bernhardt, Mar 3, 2015 at 7:55 AM

    4. New Member Introductions

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      Latest: Hello physics people Raghav Gupta, Mar 3, 2015 at 8:56 AM