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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

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      1. Introductory Physics Homework

      2. Advanced Physics Homework

      3. Precalculus Mathematics Homework

      4. Calculus and Beyond Homework

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      6. Engineering and Computer Science Homework

      Latest: Velocity of Center of Mass for a Downwardly-Rotating Sphere CARNiVORE, Mar 4, 2015 at 8:36 PM

    2. Science and Math Textbooks

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      Latest: From which books of Mechanic Materials are these images? rhino1000, Mar 4, 2015 at 5:26 PM

    3. Academic Guidance

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      Latest: Is it weird to give a thank-you gift for letters of reccommendation? jedishrfu, Mar 4, 2015 at 8:16 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: What is the smallest thing discovered in our universe? Lobos, Mar 4, 2015 at 8:38 PM

    2. Classical Physics

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      Latest: Please explain Venturi effect FeynmanFtw, Mar 4, 2015 at 5:48 PM

    3. Quantum Physics

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      Latest: Classical states and decoherence lucas_, Mar 4, 2015 at 8:40 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: Smolin: Extending dualities to trialities (deepens dynamics) marcus, Mar 4, 2015 at 7:55 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: Inflation and WMAP Chalnoth, Mar 4, 2015 at 5:29 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: 30FPS displayed on a 200Hz monitor Daveigh, Mar 4, 2015 at 5:39 PM

    2. Calculus

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      Latest: Fundamental Theorem of Calculus andyrk, Mar 4, 2015 at 6:22 PM

    3. Differential Equations

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      Latest: How to get the laplacian of a scalar field? cvex, Mar 4, 2015 at 7:20 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: 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: just for kicks thankz, Mar 4, 2015 at 8:38 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 Astronuc, Mar 4, 2015 at 8:00 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: what is the order of study between these 3 thankz, Mar 4, 2015 at 8:40 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

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      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: Green Woodpecker and Weasel Redbelly98, Mar 4, 2015 at 8:38 PM

    2. Science Fiction and Fantasy

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      Science Fiction and Fantasy

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      1. Science Fiction Writing

      Latest: Who is your favorite SciFi character? Khatti, Mar 4, 2015 at 4:30 AM

    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: hey everyone Greg Bernhardt, Mar 4, 2015 at 7:34 PM