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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: Rotational Collision gneill, Mar 3, 2015 at 6:41 AM

    2. Science and Math Textbooks

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      Latest: Re-learning Calculus 1 mrg, Mar 2, 2015 at 4:34 PM

    3. Academic Guidance

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      Latest: Powerlearning- 16 hours a day CalcNerd, Mar 3, 2015 at 6:39 AM

    4. Career Guidance

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      Latest: Science policy Catria, Mar 3, 2015 at 6:25 AM

    5. Educators and Teaching

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      Latest: Looking for feedback on physics animations jedishrfu, Mar 3, 2015 at 5:43 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: Extremely confused phinds, Mar 3, 2015 at 6:45 AM

    2. Classical Physics

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      Latest: Mythbusters: Blow your own sail CWatters, Mar 3, 2015 at 4:45 AM

    3. Quantum Physics

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      Latest: Projection operator and measurement martinbn, Mar 3, 2015 at 5:56 AM

    4. Special and General Relativity

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      Latest: Connection needed to define derivative of a vector field? stevendaryl, Mar 3, 2015 at 5:57 AM

    5. Atomic, Solid State, Comp. Physics

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      Latest: Calculation of Intensity of of AX crystals ralden, Mar 3, 2015 at 6:45 AM

    6. High Energy, Nuclear, Particle Physics

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      Latest: Questions on electroweak symmetry breaking karlzr, Mar 2, 2015 at 7:57 PM

    7. Beyond the Standard Model

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      Latest: Hubble Constant and Entropy wabbit, Mar 3, 2015 at 3:24 AM

  3. Astronomy and Cosmology

    1. Astronomy and Astrophysics

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      Latest: Voyager Golden Records arunshanker, Mar 3, 2015 at 6:24 AM

    2. Cosmology

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      Latest: Required backround for quantum cosmology ChrisVer, Mar 3, 2015 at 5:56 AM

    3. Stargazing and Telescopes

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      Latest: Here's some astrophotos I've taken lately scott mcleod jr, Mar 2, 2015 at 9:48 PM

  4. Mathematics

    1. General Math

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      Latest: Probability Question - Getting x heads from n coin tosses rede96, Mar 3, 2015 at 6:19 AM

    2. Calculus

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      Latest: Substitution in integral Motivanka, Mar 3, 2015 at 6:13 AM

    3. Differential Equations

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      Latest: system of diff eqs modeling tanks of brine Chestermiller, Mar 2, 2015 at 9:49 PM

    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: Attempting to understand diffeomorphisms "Don't panic!", Mar 1, 2015 at 11:31 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: how can I remove water from steam? physior, Mar 3, 2015 at 6:41 AM

    2. Engineering Systems and Design

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      Latest: Control design for PWM converter Hubert Tchio, Mar 3, 2015 at 5:56 AM

    3. Mechanical Engineering

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      Mechanical Engineering

      Sub-Forums

      1. Aerospace Engineering

      2. Automotive Engineering

      Latest: Jet engine position russ_watters, Mar 3, 2015 at 5:35 AM

    4. Electrical Engineering

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      Latest: difference between emitter and collector? iScience, Mar 3, 2015 at 4:31 AM

    5. Materials and Chemical Engineering

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      Latest: Calculating mixture residual/departure enthalpy from EOS maistral, Mar 3, 2015 at 5:41 AM

    6. Nuclear Engineering

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      Latest: An idea for a Pu-238 replacement for NASA space missions Hologram0110, Mar 2, 2015 at 1:31 PM

  6. Other Sciences

    1. Chemistry

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      Latest: Conflicting descriptions of Alka-Seltzer reaction? Borek, Mar 3, 2015 at 2:20 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: Is there a way to measure light frequencies of brainwaves Drakkith, Mar 3, 2015 at 5:14 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: smoky 3D complex network analysis that evolves in time Borg, Mar 3, 2015 at 5:50 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: Download the free PF App for iPhone/Android phones! AGNuke, Mar 3, 2015 at 12:33 AM

    4. New Member Introductions

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      Latest: Hello physics people Jack2, Mar 3, 2015 at 4:43 AM