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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: Thermodynamics - Work Done in a Closed System (Polytropic?) rude man, Mar 3, 2015 at 12:52 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 bacte2013, Mar 3, 2015 at 12:41 PM

    4. Career Guidance

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      Latest: Do you have to be a genius to do nuclear/particle physics? mfb, Mar 3, 2015 at 11:49 AM

    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: Macroscopic Objects at Relativistic Speed. Vanadium 50, Mar 3, 2015 at 12:32 PM

    2. Classical Physics

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      Latest: Dipole moment of a specific charge distribution... Alimpaj, Mar 3, 2015 at 12:27 PM

    3. Quantum Physics

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      Latest: Projection operator and measurement TrickyDicky, Mar 3, 2015 at 12:38 PM

    4. Special and General Relativity

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      Latest: How does GPS correct for time dilation doaaron, Mar 3, 2015 at 12:24 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: Ceres at 1 lightsecond, 36% size of full moon Dotini, Mar 3, 2015 at 12:53 PM

    2. Cosmology

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      Latest: Why "Dark Energy density" instead of CC? wabbit, Mar 3, 2015 at 12:56 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? Mark44, Mar 3, 2015 at 10:52 AM

    2. Calculus

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      Latest: Questions of calculus of crystal structures Mark44, Mar 3, 2015 at 12:20 PM

    3. Differential Equations

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      Latest: system of diff eqs modeling tanks of brine nate9519, Mar 3, 2015 at 10:59 AM

    4. Topology and Analysis

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      Latest: Clarification about Poincaré's conjecture jk22, Mar 3, 2015 at 11:41 AM

    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 8:52 AM

    7. Set Theory, Logic, Probability, Statistics

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      Latest: Macro-states and dice DrClaude, Mar 2, 2015 at 3:04 PM

    8. Math Software and LaTeX

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      Latest: Fitting an ellipse through 3-d data SubTachyon, Mar 3, 2015 at 6:10 AM

  5. Engineering

    1. General Engineering

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      Latest: Unbiased Physical Vapor Deposition Larry Stelmack, Mar 3, 2015 at 10:56 AM

    2. Engineering Systems and Design

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      Latest: Tesla Turbine Efficiency bayleebug13, Mar 3, 2015 at 8:17 AM

    3. Mechanical Engineering

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      Mechanical Engineering

      Sub-Forums

      1. Aerospace Engineering

      2. Automotive Engineering

      Latest: Need to find the length and deflection of bending element PhanthomJay, Mar 3, 2015 at 12:08 PM

    4. Electrical Engineering

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      Latest: What happens if "hot" wire touches Earth ground? rollingstein, Mar 3, 2015 at 12:43 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: An idea for a Pu-238 replacement for NASA space missions Hologram0110, Mar 3, 2015 at 8:00 AM

  6. Other Sciences

    1. Chemistry

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      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

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      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: "What colour is this dress" craze HomogenousCow, Mar 3, 2015 at 12:41 PM

    2. Science Fiction and Fantasy

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      Science Fiction and Fantasy

      Sub-Forums

      1. Science Fiction Writing

      Latest: Consequences of denser atmosphere on Earth-like planet Bystander, Mar 2, 2015 at 5:40 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