Physics Forums - The Fusion of Science and Community

    1. Science and Math Textbooks

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    2. Academic Guidance

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      Latest: How To Fix My Weak Physics Foundations? jedishrfu, Mar 2, 2015 at 7:07 AM
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    4. Educators and Teaching

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      Latest: New to AP teaching - AP Physics 1 test help Redbelly98, Mar 1, 2015 at 12:00 PM
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    1. General Physics

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      Latest: Magnetic levitation using alternating current mfb, Mar 2, 2015 at 8:28 AM
    2. Classical Physics

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      Latest: Mythbusters: Blow your own sail A.T., Mar 2, 2015 at 8:54 AM
    3. Quantum Physics

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    4. Special and General Relativity

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      Latest: Quick one-line on lowering indices ChrisVer, Mar 2, 2015 at 8:56 AM
    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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      Latest: Hubble Constant and Entropy wabbit, Mar 2, 2015 at 8:23 AM
    1. Astronomy and Astrophysics

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      Latest: Horizontal Branch Star liometopum, Mar 2, 2015 at 8:31 AM
    2. Cosmology

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    3. Stargazing and Telescopes

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    1. General Math

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      Latest: The most difficult equation in mathematics ChrisVer, Mar 2, 2015 at 8:18 AM
    2. Calculus

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      Latest: Multivariable limit wabbit, Mar 2, 2015 at 7:50 AM
    3. Differential Equations

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      Latest: Understanding coupled Runga Kutta derivation DrClaude, Mar 2, 2015 at 2:57 AM
    4. Topology and Analysis

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      Latest: Clarification about Poincaré's conjecture lavinia, Mar 2, 2015 at 6:40 AM
    5. Linear and Abstract Algebra

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      Latest: Im(BF) in Im(B)? Fredrik, Mar 2, 2015 at 8:35 AM
    6. Differential Geometry

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      Latest: Attempting to understand diffeomorphisms "Don't panic!", Mar 1, 2015 at 11:31 AM
    7. Set Theory, Logic, Probability, Statistics

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      Latest: Drawing three cards - combined probability Lenus, Mar 1, 2015 at 11:30 PM
    8. Math Software and LaTeX

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      Latest: Latex Question joshmccraney, Mar 2, 2015 at 3:19 AM
    1. General Engineering

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    2. Engineering Systems and Design

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      Latest: Control design for PWM converter Baluncore, Mar 2, 2015 at 8:47 AM
    3. Mechanical Engineering

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      Latest: Race car suspension Class loganc_racer, Mar 2, 2015 at 8:47 AM
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    5. Materials and Chemical Engineering

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    6. Nuclear Engineering

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    1. Chemistry

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      Latest: Work in Enthalpy Chestermiller, Mar 2, 2015 at 8:14 AM
    2. Biology

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      Latest: Neanderthal fossils... never frozen? Evo, Mar 1, 2015 at 10:34 PM
    3. Medical Sciences

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      Latest: Bad luck is primary cause of most cancer thankz, Mar 2, 2015 at 6:43 AM
    4. Programming and Computer Science

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      Latest: [Fortran] Rounding up Random Numbers Lukejambo, Mar 2, 2015 at 8:40 AM
    5. Earth

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      Latest: Impact: Earth! A meteor/comet impact simulator OmCheeto, Mar 2, 2015 at 12:44 AM
    6. Computing and Technology

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      Latest: Digital pen guide Alicia Hurst, Mar 2, 2015 at 5:01 AM
    1. Science Fiction and Fantasy

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    3. New Member Introductions

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      Latest: water loss calculation Bennett Siwane, Mar 2, 2015 at 8:08 AM