Physics Forums - The Fusion of Science and Community

    1. Science and Math Textbooks

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    2. Academic Guidance

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    4. Educators and Teaching

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      Latest: Teaching relativity to the general public Nugatory, Mar 31, 2015 at 4:12 PM
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      Latest: Books on Engineering Greg Bernhardt, Mar 30, 2015 at 6:47 PM
    1. General Physics

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      Latest: Magnetic field rotation or not? Voltage Drop, Mar 31, 2015 at 5:01 PM
    2. Classical Physics

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      Latest: Friction is a Scalar nasu, Mar 31, 2015 at 4:44 PM
    3. Quantum Physics

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      Latest: Double slit experiment and Interaction Feeble Wonk, Mar 31, 2015 at 5:03 PM
    4. Special and General Relativity

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      Latest: How does light slide sideways? harrylin, Mar 31, 2015 at 4:46 PM
    5. Atomic, Solid State, Comp. Physics

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      Latest: Transparency of insulators DrDu, Mar 31, 2015 at 4:02 PM
    6. High Energy, Nuclear, Particle Physics

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      Latest: Why is this decay allowed and another not? unscientific, Mar 31, 2015 at 1:50 PM
    7. Beyond the Standard Model

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      Latest: Alternative Ways of Decreasing Entropy in CCC twistor, Mar 31, 2015 at 3:06 PM
    1. Astronomy and Astrophysics

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      Latest: olbers' paradox and infinate number of stars Chronos, Mar 31, 2015 at 4:43 PM
    2. Cosmology

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      Latest: NASA pictures of dark matter collisions Jimster41, Mar 31, 2015 at 4:59 PM
    3. Stargazing and Telescopes

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    1. General Math

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      Latest: Square of x , added to one is not equal to n! Svein, Mar 31, 2015 at 2:37 PM
    2. Calculus

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    3. Differential Equations

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      Latest: Understanding coupled Runga Kutta derivation the_wolfman, Mar 31, 2015 at 10:09 AM
    4. Topology and Analysis

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      Latest: Complex Analysis: Theorem Name nateHI, Mar 31, 2015 at 1:58 PM
    5. Linear and Abstract Algebra

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      Latest: Least Square Estimator WWGD, Mar 31, 2015 at 12:17 PM
    6. Differential Geometry

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      Latest: Hodge duality and differential forms PhyAmateur, Mar 29, 2015 at 9:00 PM
    7. Set Theory, Logic, Probability, Statistics

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      Latest: Transformation rules in Boolean algebra WWGD, Mar 31, 2015 at 3:52 PM
    8. Math Software and LaTeX

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      Latest: Simple Mathematica question JorisL, Mar 31, 2015 at 12:46 PM
    1. General Engineering

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    2. Engineering Systems and Design

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      Latest: Rack and Pinion Calculation help EngineeringDave, Mar 31, 2015 at 1:09 PM
    3. Mechanical Engineering

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    4. Electrical Engineering

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      Latest: Building a half wavelength dipole antenna TriflingTroy, Mar 31, 2015 at 4:17 PM
    5. Materials and Chemical Engineering

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      Latest: Short Circuit Current in Solar PV Cells OmCheeto, Mar 30, 2015 at 6:04 PM
    6. Nuclear Engineering

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      Latest: Question about radioactivity snorkack, Mar 27, 2015 at 1:06 PM
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    2. Biology

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      Latest: Why so many treatments for cancer? Ygggdrasil, Mar 31, 2015 at 5:02 PM
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      Latest: increased heart beat Evo, Mar 31, 2015 at 12:56 PM
    4. Programming and Computer Science

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      Latest: [SQL] Referential Integrity Details WWGD, Mar 31, 2015 at 12:46 PM
    5. Earth

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      Latest: What is meant by 'Earth's surface temperature'? Svein, Mar 31, 2015 at 11:53 AM
    6. Computing and Technology

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      Latest: How can I obtain and run windows 95 on my pc? WWGD, Mar 30, 2015 at 7:33 PM
    1. General Discussion

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    2. Science Fiction and Fantasy

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