Physics Forums - The Fusion of Science and Community

    1. Science and Math Textbooks

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      Latest: Re-learning Calculus 1 mrg, Mar 2, 2015 at 4:34 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: Electric charge flow in AC and DC sophiecentaur, Mar 2, 2015 at 4:49 PM
    2. Classical Physics

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      Latest: Lagrangian density of Newtonian gravity Fede Lopez Ar, Mar 2, 2015 at 4:42 PM
    3. Quantum Physics

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    5. Atomic, Solid State, Comp. Physics

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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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    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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    2. Calculus

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      Latest: Regulated Integral with Convergence Factor "pi"mp, Mar 2, 2015 at 5:01 PM
    3. Differential Equations

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      Latest: system of diff eqs modeling tanks of brine nate9519, Mar 2, 2015 at 3:10 PM
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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
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    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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      Latest: how can I remove water from steam? timthereaper, Mar 2, 2015 at 5:10 PM
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      Latest: Control design for PWM converter Hubert Tchio, Mar 2, 2015 at 2:34 PM
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    5. Materials and Chemical Engineering

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      Latest: Density of holes in valence band mfb, Mar 2, 2015 at 12:58 PM
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    1. Chemistry

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      Latest: where do you buy your chemicals from? SteamKing, Mar 2, 2015 at 4:21 PM
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    4. Programming and Computer Science

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    5. Earth

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      Latest: Impact: Earth! A meteor/comet impact simulator zoki85, Mar 2, 2015 at 5:14 PM
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    1. Science Fiction and Fantasy

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    3. New Member Introductions

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      Latest: Hello, PF! Greg Bernhardt, Mar 2, 2015 at 4:55 PM