Physics Forums - The Fusion of Science and Community

    1. Science and Math Textbooks

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      Latest: Probability Books for beginner? Niflheim, Mar 5, 2015 at 8:19 PM
    2. Academic Guidance

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    3. Career Guidance

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      Latest: Career Uncertainty CRichard, Mar 5, 2015 at 8:28 PM
    4. Educators and Teaching

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

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

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      Latest: Newtons to Watts to Joules DaleSpam, Mar 5, 2015 at 9:39 PM
    2. Classical Physics

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      Latest: Linear mass density and dangling rope. Chestermiller, Mar 5, 2015 at 8:52 PM
    3. Quantum Physics

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    4. Special and General Relativity

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      Latest: Quick calculation check please DaleSpam, Mar 5, 2015 at 10:05 PM
    5. Atomic, Solid State, Comp. Physics

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    6. High Energy, Nuclear, Particle Physics

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    7. Beyond the Standard Model

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    1. Astronomy and Astrophysics

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    2. Cosmology

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    3. Stargazing and Telescopes

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      Latest: Purchasing binoculars for stargazing advice turbo, Mar 5, 2015 at 1:18 PM
    1. General Math

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      Latest: Understanding Tangent and Cotangent SteamKing, Mar 5, 2015 at 10:07 PM
    2. Calculus

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      Latest: Area of a helical surface haruspex, Mar 5, 2015 at 8:07 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 jk22, Mar 5, 2015 at 3:59 PM
    5. Linear and Abstract Algebra

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    6. Differential Geometry

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    7. Set Theory, Logic, Probability, Statistics

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    8. Math Software and LaTeX

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      Latest: Mathematica NDSolve initial condition DaleSpam, Mar 5, 2015 at 8:00 AM
    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: Fan Descender Design Project al_garnett, Mar 5, 2015 at 3:35 PM
    3. Mechanical Engineering

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      Latest: Calculating Tractive Effort At Speeds alphareign, Mar 5, 2015 at 8:06 PM
    4. Electrical Engineering

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      Latest: Question about the Nyquist sampling rate Baluncore, Mar 5, 2015 at 9:55 PM
    5. Materials and Chemical Engineering

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    6. Nuclear Engineering

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      Latest: How to calculate the absorption rate density? Dam08, Mar 5, 2015 at 9:50 PM
    1. Chemistry

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      Latest: Gibbs Enery Bystander, Mar 5, 2015 at 5:20 PM
    2. Biology

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      Latest: AST/ALT levels Evo, Mar 5, 2015 at 2:11 PM
    3. Medical Sciences

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    4. Programming and Computer Science

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    5. Earth

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      Latest: Underneath Hawaii's Kilauea Volcano Astronuc, Mar 5, 2015 at 9:35 PM
    6. Computing and Technology

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      Latest: Problem with Firefox on my new laptop yungman, Mar 5, 2015 at 6:02 PM
    1. General Discussion

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      Latest: Green Cat Mystery zoobyshoe, Mar 5, 2015 at 9:57 PM
    2. Science Fiction and Fantasy

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      Latest: What fantasy universe would you live in? alphareign, Mar 5, 2015 at 5:53 PM
    3. Feedback and Announcements

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    4. New Member Introductions

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      Latest: Hello Everyone! Greg Bernhardt, Mar 5, 2015 at 7:47 PM