Physics Forums - The Fusion of Science and Community

    1. Science and Math Textbooks

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      Latest: Khan Academy or Textbook? MidgetDwarf, Jul 7, 2015 at 2:17 AM
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      Latest: Question about course load brandon078902, Jul 7, 2015 at 12:51 AM
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    4. Educators and Teaching

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    5. STEM Learning Materials

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      Latest: PF Insights: Topic Request Amrator, Jul 3, 2015 at 3:40 PM
    1. General Physics

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      Latest: Electromagnetic Wave nilesh_pat, Jul 7, 2015 at 6:19 AM
    2. Classical Physics

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      Latest: Current in ideal wires. - circuits DoobleD, Jul 7, 2015 at 5:59 AM
    3. Quantum Physics

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    4. Special and General Relativity

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      Latest: SR postulates DaleSpam, Jul 7, 2015 at 6:22 AM
    5. Atomic, Solid State, Comp. Physics

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      Latest: Gibbs and Helmholtz energies of a superconductor DrDu, Jul 7, 2015 at 1:50 AM
    6. High Energy, Nuclear, Particle Physics

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      Latest: CKM matrix and meson oscillations [book] Hepth, Jul 7, 2015 at 2:13 AM
    7. Beyond the Standard Model

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    1. Astronomy and Astrophysics

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      Latest: Why does gravity collapse and stars explode? Ken G, Jul 7, 2015 at 1:09 AM
    2. Cosmology

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      Latest: Question about speed of light and information Chronos, Jul 7, 2015 at 12:44 AM
    3. Stargazing and Telescopes

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      Latest: Helios Quantum 5 binoculars and7barton, Jul 7, 2015 at 2:39 AM
    1. General Math

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      Latest: Quad aces + royal flush Orodruin, Jul 7, 2015 at 4:37 AM
    2. Calculus

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      Latest: Understanding dual basis & scale factors Incand, Jul 7, 2015 at 6:08 AM
    3. Differential Equations

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      Latest: Can one define higher order infinitesimals? stedwards, Jul 6, 2015 at 9:17 PM
    4. Topology and Analysis

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      Latest: Nonlinear constrained optimization - how? maistral, Jul 7, 2015 at 5:33 AM
    5. Linear and Abstract Algebra

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    6. Differential Geometry

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      Latest: Implicit function theorem Greg Bernhardt, Jul 6, 2015 at 7:00 PM
    7. Set Theory, Logic, Probability, Statistics

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    8. Math Software and LaTeX

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      Latest: maple pdsolve problem. MathematicalPhysicist, Jul 7, 2015 at 1:32 AM
    1. General Engineering

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    2. Engineering Systems and Design

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      Latest: Geothermal power billy_joule, Jul 7, 2015 at 12:58 AM
    3. Mechanical Engineering

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    4. Electrical Engineering

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      Latest: L Impedance matching network problem. Baluncore, Jul 7, 2015 at 5:54 AM
    5. Materials and Chemical Engineering

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      Latest: why ultimate load is less than yield load? FK123, Jul 7, 2015 at 3:56 AM
    6. Nuclear Engineering

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    1. Chemistry

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      Latest: Dissolving a gas in water rwooduk, Jul 7, 2015 at 5:33 AM
    2. Biology

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      Latest: protein synthesis in an animal cell takes place gracy, Jul 7, 2015 at 6:21 AM
    3. Medical Sciences

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      Latest: What is a Prolate Spheroid wave function? DrDu, Jul 7, 2015 at 1:59 AM
    4. Programming and Computer Science

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      Latest: If/else C Macro wle, Jul 7, 2015 at 1:51 AM
    5. Earth

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    6. Computing and Technology

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    1. General Discussion

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    2. Science Fiction and Fantasy

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      Latest: Introduction - Hello Everybody! NascentOxygen, Jul 7, 2015 at 12:37 AM