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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: Battery specifications question xzibition8612, Mar 5, 2015 at 12:05 AM

    2. Science and Math Textbooks

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      Latest: Problem collection for mechanics? Marvin94, Mar 4, 2015 at 9:39 PM

    3. Academic Guidance

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      Latest: Powerlearning- 16 hours a day x86, Mar 5, 2015 at 12:23 AM

    4. Career Guidance

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      Latest: Job Interview Advice Choppy, Mar 4, 2015 at 6:41 PM

    5. Educators and Teaching

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      Latest: Looking for feedback on physics animations Matt Whibley, Mar 5, 2015 at 12:02 AM

    6. STEM Learning Materials

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      Latest: Quantum Mechanics learning resource videos Maylis, Mar 4, 2015 at 9:35 AM

  2. Physics

    1. General Physics

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      Latest: Vertical force generated by a wheel Bystander, Mar 5, 2015 at 12:05 AM

    2. Classical Physics

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      Latest: Ball bounce on mars vs earth russ_watters, Mar 4, 2015 at 10:21 PM

    3. Quantum Physics

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      Latest: Uncertainty Principle cause infinite wavefunction solutions? bhobba, Mar 4, 2015 at 11:12 PM

    4. Special and General Relativity

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      Latest: Could the universe exist without space and time? Quds Akbar, Mar 5, 2015 at 12:28 AM

    5. Atomic, Solid State, Comp. Physics

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      Latest: nearly free electron model - band gap unscientific, Mar 4, 2015 at 11:23 AM

    6. High Energy, Nuclear, Particle Physics

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      Latest: What functions of fields describe particles? matteo137, Mar 3, 2015 at 2:36 PM

    7. Beyond the Standard Model

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      Latest: Smolin: Extending dualities to trialities (deepens dynamics) marcus, Mar 5, 2015 at 12:16 AM

  3. Astronomy and Cosmology

    1. Astronomy and Astrophysics

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      Latest: why can't we reach to Speed of light at Space? Quds Akbar, Mar 5, 2015 at 12:23 AM

    2. Cosmology

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      Latest: Interesting article about dark matter Drakkith, Mar 4, 2015 at 11:24 PM

    3. Stargazing and Telescopes

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      Latest: Here are some astrophotos I've taken lately davenn, Mar 3, 2015 at 9:25 PM

  4. Mathematics

    1. General Math

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      Latest: 4Sine(4X) = -8Sin(2x) Double angle identity Tyrion101, Mar 5, 2015 at 12:01 AM

    2. Calculus

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      Latest: Questions of calculus of crystal structures mysci, Mar 4, 2015 at 10:13 PM

    3. Differential Equations

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      Latest: How to get the laplacian of a scalar field? cvex, Mar 4, 2015 at 11:00 PM

    4. Topology and Analysis

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      Latest: Clarification about Poincaré's conjecture lavinia, Mar 4, 2015 at 1:49 PM

    5. Linear and Abstract Algebra

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      Latest: Coefficients on the p-adic expansions MostlyHarmless, Mar 4, 2015 at 11:51 AM

    6. Differential Geometry

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      Latest: Koszul connexion lavinia, Mar 4, 2015 at 7:39 AM

    7. Set Theory, Logic, Probability, Statistics

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      Latest: Drawing three cards - combined probability mfb, Mar 4, 2015 at 5:21 PM

    8. Math Software and LaTeX

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      Latest: Referring to elements of a table in Mathematica mfb, Mar 4, 2015 at 4:58 PM

  5. Engineering

    1. General Engineering

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      Latest: YOU!: Fix the US Energy Crisis OmCheeto, Mar 4, 2015 at 12:32 PM

    2. Engineering Systems and Design

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      Latest: Control design for PWM converter Baluncore, Mar 4, 2015 at 5:09 PM

    3. Mechanical Engineering

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      Mechanical Engineering

      Sub-Forums

      1. Aerospace Engineering

      2. Automotive Engineering

      Latest: Divergence Operator on the Incompressible N-S Equation C. C., Mar 4, 2015 at 11:59 PM

    4. Electrical Engineering

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      Latest: Replacing a capacitor in my DVD player Averagesupernova, Mar 4, 2015 at 9:54 PM

    5. Materials and Chemical Engineering

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      Latest: Reflectance or reflectivity spectrum interpretation RacinReaver, Mar 5, 2015 at 12:19 AM

    6. Nuclear Engineering

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      Latest: List of Neutron Moderators mheslep, Mar 4, 2015 at 8:45 PM

  6. Other Sciences

    1. Chemistry

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      Latest: Work in Enthalpy Ibraheem, Mar 4, 2015 at 10:12 PM

    2. Biology

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      Latest: What might cell membranes look like on Titan? jim hardy, Mar 4, 2015 at 6:27 PM

    3. Medical Sciences

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      Latest: is there any nutritional benefit to eating moltose dextrin Greg Bernhardt, Mar 4, 2015 at 9:12 AM

    4. Programming and Computer Science

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      Latest: What's a good intro computer science book? Greg Bernhardt, Mar 4, 2015 at 11:26 PM

    5. Earth

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      Latest: Villarrica volcano davenn, Mar 3, 2015 at 9:39 PM

    6. Computing and Technology

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      Computing and Technology

      Sub-Forums

      1. Calculators

      Latest: Best (non-program) sci. calculator with a viewable memory? Greg Bernhardt, Mar 4, 2015 at 11:41 PM

  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: Random Thoughts part 4 nuuskur, Mar 5, 2015 at 12:24 AM

    2. Science Fiction and Fantasy

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      Science Fiction and Fantasy

      Sub-Forums

      1. Science Fiction Writing

      Latest: Where can I hire a physicist/scientist to review fiction? Greg Bernhardt, Mar 4, 2015 at 11:58 PM

    3. Feedback and Announcements

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      Feedback and Announcements

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      1. PF Member Awards 2014

      Latest: Auto-save feature bogs down web browser dramatically Drakkith, Mar 4, 2015 at 11:49 PM

    4. New Member Introductions

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      Latest: Salutations dear human! ksabalo, Mar 5, 2015 at 12:06 AM