Physics Forums - The Fusion of Science and Community

    1. Science and Math Textbooks

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      Latest: good physics books momof4, Apr 20, 2015 at 9:03 PM
    2. Academic Guidance

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    3. Career Guidance

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      Latest: Electrical engineer who doesn't like to program axmls, Apr 21, 2015 at 1:25 AM
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    5. STEM Learning Materials

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    1. General Physics

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      Latest: Change in Flow of Momentum Chestermiller, Apr 21, 2015 at 6:47 AM
    2. Classical Physics

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      Latest: Power, Resistance, Voltage, Current skepticwulf, Apr 21, 2015 at 6:02 AM
    3. Quantum Physics

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      Latest: Question about Virtual Particles mattt, Apr 21, 2015 at 6:34 AM
    4. Special and General Relativity

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      Latest: Black hole horizon confusion harrylin, Apr 21, 2015 at 6:41 AM
    5. High Energy, Nuclear, Particle Physics

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      Latest: QCD vs. Spatial Expansion kurros, Apr 21, 2015 at 3:16 AM
    6. Beyond the Standard Model

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      Latest: Evidence Against String Theory? Paper pinball1970, Apr 20, 2015 at 11:00 AM
    1. Astronomy and Astrophysics

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      Latest: Saha equation partition function for Argon? Drakkith, Apr 21, 2015 at 12:53 AM
    2. Cosmology

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    3. Stargazing and Telescopes

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      Latest: Telescope aboard the iss wabbit, Apr 19, 2015 at 3:39 AM
    1. General Math

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      Latest: Is a line the same as distance? micromass, Apr 21, 2015 at 6:43 AM
    2. Calculus

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      Latest: The results of integrals? uzman1243, Apr 20, 2015 at 6:14 AM
    3. Differential Equations

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    4. Topology and Analysis

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      Latest: Need Help With Discontinuity Proof Hawkeye18, Apr 21, 2015 at 6:19 AM
    5. Linear and Abstract Algebra

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    6. Differential Geometry

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      Latest: Noethers theorem, physics and mathematics JVM, Apr 20, 2015 at 10:13 AM
    7. Set Theory, Logic, Probability, Statistics

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    8. Math Software and LaTeX

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      Latest: Transfer equations from MathType to Matlab kreil, Apr 19, 2015 at 7:47 PM
    1. General Engineering

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      Latest: magnetized piping Simon Bridge, Apr 21, 2015 at 2:22 AM
    2. Engineering Systems and Design

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      Latest: Torque calculation of solar tracker anilks, Apr 21, 2015 at 3:56 AM
    3. Mechanical Engineering

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      Latest: The principle behind throttling valves Chestermiller, Apr 21, 2015 at 6:33 AM
    4. Electrical Engineering

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      Latest: Tuning PI Controller in PLL Hesch, Apr 21, 2015 at 6:47 AM
    5. Materials and Chemical Engineering

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      Latest: Ponchon Savarit Method Maylis, Apr 21, 2015 at 2:57 AM
    6. Nuclear Engineering

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      Latest: Japan Earthquake: nuclear plants part 2 Gary7, Apr 21, 2015 at 3:30 AM
    1. Chemistry

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      Latest: Copper nitrate reaction Mark Harder, Apr 21, 2015 at 4:58 AM
    2. Biology

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      Latest: NASA: We'll find signs of alien life by 2025 Jimster41, Apr 21, 2015 at 4:58 AM
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    4. Programming and Computer Science

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      Latest: [FORTRAN] How did I screw up my code? Matterwave, Apr 20, 2015 at 8:48 PM
    5. Earth

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      Latest: Number and energy of cyclones and anticyclones rootone, Apr 19, 2015 at 6:31 PM
    6. Computing and Technology

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    1. General Discussion

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      Latest: My problem with math AlephNumbers, Apr 21, 2015 at 6:43 AM
    2. Science Fiction and Fantasy

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    3. Feedback and Announcements

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    4. New Member Introductions

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      Latest: Darion13, New Member Darion13, Apr 21, 2015 at 6:18 AM