Physics Forums - The Fusion of Science and Community

    1. Science and Math Textbooks

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      Latest: Can't remember where I read this! Shyan, Mar 2, 2015 at 12:44 PM
    2. Academic Guidance

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      Latest: Physics Minor? thegreenlaser, Mar 2, 2015 at 2:10 PM
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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: Derivation of wave equation and wave speed alexao1111, Mar 2, 2015 at 1:59 PM
    2. Classical Physics

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    3. Quantum Physics

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    4. Special and General Relativity

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      Latest: Quick calculation check please name123, Mar 2, 2015 at 2:41 PM
    5. Atomic, Solid State, Comp. Physics

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      Latest: Reciprocal lattice vector M Quack, Mar 2, 2015 at 2:00 PM
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    7. Beyond the Standard Model

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      Latest: Hubble Constant and Entropy wabbit, Mar 2, 2015 at 1:36 PM
    1. Astronomy and Astrophysics

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      Latest: Ceres at 1 lightsecond, 36% size of full moon marcus, Mar 2, 2015 at 2:42 PM
    2. Cosmology

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    3. Stargazing and Telescopes

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      Latest: Planning to buy a first telescope? jim hardy, Feb 27, 2015 at 12:44 PM
    1. General Math

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      Latest: Getting worse at mental arithmetic FuturePhysicist, Mar 2, 2015 at 2:38 PM
    2. Calculus

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      Latest: Substitution in integral PeroK, Mar 2, 2015 at 2:00 PM
    3. Differential Equations

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      Latest: Understanding coupled Runga Kutta derivation DrClaude, Mar 2, 2015 at 2:57 AM
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    5. Linear and Abstract Algebra

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      Latest: su(2), so(3) and their representations mathwonk, Mar 2, 2015 at 11:54 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: Looking for calculus program to find volume abcdef, Mar 2, 2015 at 1:38 PM
    1. General Engineering

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    2. Engineering Systems and Design

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      Latest: Control design for PWM converter Hubert Tchio, Mar 2, 2015 at 2:34 PM
    3. Mechanical Engineering

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      Latest: Pressure regulator flow rate Quantum Defect, Mar 2, 2015 at 2:39 PM
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      Latest: difference between emitter and collector? thankz, Mar 2, 2015 at 2:02 PM
    5. Materials and Chemical Engineering

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      Latest: Density of holes in valence band mfb, Mar 2, 2015 at 12:58 PM
    6. Nuclear Engineering

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    1. Chemistry

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      Latest: How does a catalyst effect equilibrium? Kanesan, Mar 2, 2015 at 2:41 PM
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    3. Medical Sciences

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    4. Programming and Computer Science

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      Latest: [Fortran] Rounding up Random Numbers DaveC426913, Mar 2, 2015 at 1:31 PM
    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: Is 4GB of VRAM overkill for 1080p gaming? Hercuflea, Mar 2, 2015 at 10:56 AM
    1. General Discussion

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    2. Science Fiction and Fantasy

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    4. New Member Introductions

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      Latest: Hello everyone! Greg Bernhardt, Mar 2, 2015 at 10:11 AM