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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: Calculation to launch a golf ball gneill, Mar 3, 2015 at 10:31 AM

    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: Powerlearning- 16 hours a day homeomorphic, Mar 3, 2015 at 10:28 AM

    4. Career Guidance

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      Latest: I'm not sure I want to go into the field I'm going into DEvens, Mar 3, 2015 at 9:07 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: Does reflection change the frequency of light? jbriggs444, Mar 3, 2015 at 10:29 AM

    2. Classical Physics

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      Latest: spinning disk strobeda, Mar 3, 2015 at 10:09 AM

    3. Quantum Physics

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      Latest: Binney's interpretation of Violation of Bell Inequalities Pat71, Mar 3, 2015 at 9:50 AM

    4. Special and General Relativity

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      Latest: Time travel into the future Suraj M, Mar 3, 2015 at 10:15 AM

    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 10:33 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: Calculating relative velocity of Crab Nebula LavaLynne, Mar 3, 2015 at 7:38 AM

    2. Cosmology

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      Latest: Expansion of the universe PeterDonis, Mar 3, 2015 at 10:30 AM

    3. Stargazing and Telescopes

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      Latest: Here's 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: A suggested operational definition of tensors DEvens, Mar 3, 2015 at 8:45 AM

    2. Calculus

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      Latest: Questions of calculus of crystal structures mysci, Mar 3, 2015 at 9:15 AM

    3. Differential Equations

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      Latest: system of diff eqs modeling tanks of brine Chestermiller, Mar 3, 2015 at 7:16 AM

    4. Topology and Analysis

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      Latest: Measurability of a function with finite codomain mathman, Mar 2, 2015 at 4:26 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 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: FEM: How the weak form is related to an inner product Carla White, Mar 3, 2015 at 7:26 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

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      1. Aerospace Engineering

      2. Automotive Engineering

      Latest: Please explain curious behavior with my rainwater barrel Travis_King, Mar 3, 2015 at 10:19 AM

    4. Electrical Engineering

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      Latest: difference between emitter and collector? LvW, Mar 3, 2015 at 9:46 AM

    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: Why do Electrons "want" 8 Electrons on the outter "shell" nitsuj, Mar 3, 2015 at 10:01 AM

    2. Biology

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      Latest: What might cell membranes look like on Titan? Andy Resnick, Mar 2, 2015 at 9:22 PM

    3. Medical Sciences

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      Latest: Water, salt, baking soda mixture to treat sinusitis Greg Bernhardt, Mar 3, 2015 at 7:27 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

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      6. Social Sciences

      Latest: Are eyebrows symmetrical ? RabbitWho, Mar 3, 2015 at 9:16 AM

    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