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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: please help my son year 12 physics -- frequency and wavelength berkeman, Mar 4, 2015 at 10:10 PM

    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: How do I teach myself physics? jtbell, Mar 4, 2015 at 9:46 PM

    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 SredniVashtar, Mar 4, 2015 at 6:29 PM

    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: Dew point more important than boiling point Khashishi, Mar 4, 2015 at 10:08 PM

    2. Classical Physics

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      Latest: What does the sound coming from an open column look like? Simon Bridge, Mar 4, 2015 at 9:52 PM

    3. Quantum Physics

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      Latest: Classical states and decoherence bhobba, Mar 4, 2015 at 10:05 PM

    4. Special and General Relativity

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      Latest: Relative observed speed? LM542, Mar 4, 2015 at 5:24 PM

    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: Ali and Das, "Cosmology from quantum potential" BiGyElLoWhAt, Mar 4, 2015 at 9:05 PM

  3. Astronomy and Cosmology

    1. Astronomy and Astrophysics

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      Latest: why can't we reach to Speed of light at Space? russ_watters, Mar 4, 2015 at 7:20 PM

    2. Cosmology

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      Latest: Interesting article about dark matter Tanelorn, Mar 4, 2015 at 10:05 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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      Messages:
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      Latest: 4Sine(4X) = -8Sin(2x) Double angle identity Tyrion101, Mar 4, 2015 at 9:54 PM

    2. Calculus

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      Latest: Questions of calculus of crystal structures Mark44, Mar 4, 2015 at 10:01 PM

    3. Differential Equations

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      Latest: fourier transform joshmccraney, Mar 4, 2015 at 9:45 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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      53,176
      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: Determining dimension of exhaust pipe from an air duct russ_watters, Mar 4, 2015 at 8:34 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 fog37, Mar 4, 2015 at 9:08 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: Projects using CANTERA software jedishrfu, Mar 4, 2015 at 8:31 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: pivot table code thankz, Mar 4, 2015 at 7:33 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? The_Nster, Mar 4, 2015 at 9:18 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: 'Star Trek' icon Leonard Nimoy dies at age 83 nsaspook, Mar 4, 2015 at 9:49 PM

    2. Science Fiction and Fantasy

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      Science Fiction and Fantasy

      Sub-Forums

      1. Science Fiction Writing

      Latest: What SciFi universe would you live in? Pete Cortez, Mar 4, 2015 at 9:20 PM

    3. Feedback and Announcements

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      Feedback and Announcements

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      1. PF Member Awards 2014

      Latest: Walking on eggshells narrator, Mar 4, 2015 at 3:44 PM

    4. New Member Introductions

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      Latest: Hello physics people Raghav Gupta, Mar 4, 2015 at 10:06 PM