Physics Forums - The Fusion of Science and Community

    1. Science and Math Textbooks

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    2. Open Physics Practice Problems

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      Latest: Forces in achilles and foot bone OrangeDog, Feb 5, 2016 at 3:47 PM
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      Latest: intrested in physics books DrClaude, Feb 5, 2016 at 4:15 PM
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    1. General Physics

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      Latest: Term : Neutral Buoyant DaveC426913, Feb 5, 2016 at 4:10 PM
    2. Classical Physics

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    3. Quantum Physics

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      Latest: Re-preparing a dust particle jlcd, Feb 5, 2016 at 4:10 PM
    4. Special and General Relativity

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      Latest: Axes of the Minkowski diagram PeterDonis, Feb 5, 2016 at 3:16 PM
    5. Atomic, Solid State, Comp. Physics

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      Latest: Phonon Density of States Inquisitive7, Feb 5, 2016 at 4:43 AM
    6. High Energy, Nuclear, Particle Physics

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      Latest: Inverse fields? Giuseppe Lacagnina, Feb 5, 2016 at 8:38 AM
    7. Beyond the Standard Model

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      Latest: Heat Death of the Universe, Total or Not? bcrowell, Feb 5, 2016 at 10:20 AM
    1. Astronomy and Astrophysics

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      Latest: Giving Mars a magnetic field! iamthesofaking, Feb 5, 2016 at 3:13 PM
    2. Cosmology

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      Latest: Spin Foam Model clarification sandy stone, Feb 5, 2016 at 1:50 PM
    1. General Math

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    2. Calculus

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      Latest: Limits and Indeterminate Forms pwsnafu, Feb 4, 2016 at 6:30 PM
    3. Differential Equations

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      Latest: Am I expanding e^ix incorrectly? sa1988, Feb 5, 2016 at 12:22 PM
    4. Topology and Analysis

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      Latest: Isometry and isomorphism micromass, Feb 4, 2016 at 5:46 AM
    5. Linear and Abstract Algebra

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      Latest: Proof of invertibility Samy_A, Feb 5, 2016 at 1:48 PM
    6. Differential Geometry

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      Latest: Div and curl Hornbein, Feb 5, 2016 at 4:06 PM
    7. Set Theory, Logic, Probability, Statistics

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      Latest: Maximum Likelihood and Fisher Information dspampi, Feb 5, 2016 at 10:03 AM
    8. Math Software and LaTeX

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    1. General Engineering

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    2. Mechanical Engineering

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      Latest: Why are stiff springs more responsive? Ranger Mike, Feb 5, 2016 at 5:52 AM
    3. Electrical Engineering

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      Latest: Using Electromagnet to Detect Steel Door Michael P C, Feb 5, 2016 at 1:39 PM
    4. Materials and Chemical Engineering

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    5. Nuclear Engineering

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    1. Chemistry

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      Latest: Intermolecular forces for CO2 Ygggdrasil, Feb 5, 2016 at 12:47 PM
    2. Programming and Computer Science

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      Latest: Html Form fields question jedishrfu, Feb 5, 2016 at 2:33 PM
    3. Biology and Medical

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      Latest: PDEs and cancer modeling Krylov, Feb 5, 2016 at 4:09 PM
    4. Computing and Technology

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      Latest: Windows Vista and XP no longer supported rcgldr, Feb 5, 2016 at 3:46 PM
    5. Earth

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      Latest: Direction of polar jet pwn01, Feb 4, 2016 at 6:11 PM
    1. General Discussion

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      Latest: Today I learned Hornbein, Feb 5, 2016 at 3:45 PM
    2. Science Fiction and Fantasy

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      Latest: Movies for hardcore sci-fi geeks 1oldman2, Feb 5, 2016 at 11:11 AM
    3. Feedback and Announcements

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    4. New Member Introductions

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      Latest: I'm new here (shocking) Greg Bernhardt, Feb 5, 2016 at 12:05 PM