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: INPHO & NSEP Preparation Guidance Greg Bernhardt, Mar 4, 2015 at 9:17 AM
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    4. Educators and Teaching

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      Latest: Looking for feedback on physics animations Bystander, Mar 4, 2015 at 1:59 AM
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    1. General Physics

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      Latest: No such thing as instantaneous speed? yuganes warman, Mar 4, 2015 at 9:18 AM
    2. Classical Physics

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    3. Quantum Physics

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      Latest: Projection operator and measurement TrickyDicky, Mar 4, 2015 at 9:02 AM
    4. Special and General Relativity

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      Latest: I've got a question about relative time. wabbit, Mar 4, 2015 at 8:57 AM
    5. Atomic, Solid State, Comp. Physics

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      Latest: Gibbs Free Energy in Superconductors taishizhiqiu, Mar 3, 2015 at 8:35 PM
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    7. Beyond the Standard Model

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      Latest: Quick question about LQG Self-Dual Black Holes wabbit, Mar 4, 2015 at 8:00 AM
    1. Astronomy and Astrophysics

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      Latest: Voyager Golden Records BobG, Mar 4, 2015 at 8:28 AM
    2. Cosmology

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      Latest: Can black holes die? Quds Akbar, Mar 4, 2015 at 7:33 AM
    3. Stargazing and Telescopes

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      Latest: Here are some astrophotos I've taken lately davenn, Mar 3, 2015 at 9:25 PM
    1. General Math

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    2. Calculus

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      Latest: Level set vs level curve HallsofIvy, Mar 4, 2015 at 9:12 AM
    3. Differential Equations

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      Latest: Understanding coupled Runga Kutta derivation ognik, Mar 2, 2015 at 9:35 PM
    4. Topology and Analysis

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      Latest: Clarification about Poincaré's conjecture lavinia, Mar 3, 2015 at 1:45 PM
    5. Linear and Abstract Algebra

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      Latest: Cholesky pairs amateur82, Mar 4, 2015 at 1:43 AM
    6. Differential Geometry

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      Latest: Koszul connexion lavinia, Mar 4, 2015 at 7:39 AM
    7. Set Theory, Logic, Probability, Statistics

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      Latest: Macro-states and dice unmantle, Mar 4, 2015 at 7:38 AM
    8. Math Software and LaTeX

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    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 4, 2015 at 7:52 AM
    3. Mechanical Engineering

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      Latest: Terms in aerodynamics yrjosmiel73, Mar 4, 2015 at 7:43 AM
    4. Electrical Engineering

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      Latest: What is the polarity of a Pn junction diode ovais, Mar 4, 2015 at 8:50 AM
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    6. Nuclear Engineering

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    1. Chemistry

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      Latest: Work in Enthalpy Chestermiller, Mar 4, 2015 at 5:58 AM
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      Latest: Understanding 23andme results blud, Mar 4, 2015 at 12:42 AM
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    4. Programming and Computer Science

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      Latest: Creating new algorithm like PID JorisL, Mar 4, 2015 at 8:05 AM
    5. Earth

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      Latest: Villarrica volcano davenn, Mar 3, 2015 at 9:39 PM
    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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      Latest: My favored scientist quotes Demystifier, Mar 4, 2015 at 9:11 AM
    2. Science Fiction and Fantasy

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      Latest: Who is your favorite SciFi character? Khatti, Mar 4, 2015 at 4:30 AM
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      Latest: Queries on editor buttons Raghav Gupta, Mar 4, 2015 at 7:12 AM
    4. New Member Introductions

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      Latest: CERN Recruitment Unit CERN, Mar 4, 2015 at 8:34 AM