Physics Forums - The Fusion of Science and Community

    1. Science and Math Textbooks

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      Latest: Introductory book on graphene? graphene_grand, Jul 28, 2015 at 4:34 PM
    2. Academic Guidance

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    3. Career Guidance

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    4. Educators and Teaching

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    5. Resources and FAQs

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      Latest: Math Learning Resources axmls, Jul 27, 2015 at 10:21 PM
    1. General Physics

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      Latest: Why can't I test a smoke detector with smoke? rootone, Jul 28, 2015 at 7:35 PM
    2. Classical Physics

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      Latest: How to get to this Surface slope formula? Ornit, Jul 28, 2015 at 6:44 PM
    3. Quantum Physics

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    4. Special and General Relativity

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    5. Atomic, Solid State, Comp. Physics

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      Latest: "Locality" of phonons DrDu, Jul 28, 2015 at 1:21 PM
    6. High Energy, Nuclear, Particle Physics

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      Latest: Pentaquark discovery at LHCb mfb, Jul 28, 2015 at 6:38 PM
    7. Beyond the Standard Model

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      Latest: Equivalence of inertial and gravitational mass marcus, Jul 28, 2015 at 4:00 PM
    1. Astronomy and Astrophysics

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      Latest: Dawn at 2500 km, in descent to 1450 km orbit marcus, Jul 28, 2015 at 5:54 PM
    2. Cosmology

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      Latest: How do we know the universe is infinite? PeterDonis, Jul 28, 2015 at 5:15 PM
    3. Stargazing and Telescopes

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      Latest: Ring nebula photo Borg, Jul 19, 2015
    1. General Math

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      Latest: Strange invocation of Taylor series noahcharris, Jul 28, 2015 at 7:24 PM
    2. Calculus

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      Latest: Is the reciprocal of infinity, zero? mathwonk, Jul 28, 2015 at 7:16 PM
    3. Differential Equations

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      Latest: Curiosity thread about PDE jack476, Jul 25, 2015 at 12:48 AM
    4. Topology and Analysis

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      Latest: Polynom continu Calabi, Jul 28, 2015 at 11:37 AM
    5. Linear and Abstract Algebra

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      Latest: On formal concept analysis (fca) Greg Bernhardt, Jul 28, 2015 at 7:00 PM
    6. Differential Geometry

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      Latest: Differentiable Manifolds mikeeey, Jul 28, 2015 at 2:31 PM
    7. Set Theory, Logic, Probability, Statistics

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      Latest: The linear in linear least squares regression SteamKing, Jul 28, 2015 at 7:06 PM
    8. Math Software and LaTeX

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      Latest: A Symbol in Latex Shyan, Jul 28, 2015 at 5:09 AM
    1. General Engineering

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      Latest: Rudders, sails with holes Baluncore, Jul 28, 2015 at 4:15 PM
    2. Engineering Systems and Design

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      Latest: External oil cooling system (calc & design) pavor, Jul 28, 2015 at 12:43 PM
    3. Mechanical Engineering

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    4. Electrical Engineering

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      Latest: Help with Peltier circuit John Rambosi, Jul 28, 2015 at 7:35 PM
    5. Materials and Chemical Engineering

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    6. Nuclear Engineering

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      Latest: Japan Earthquake: nuclear plants part 2 Hiddencamper, Jul 28, 2015 at 7:33 PM
    1. Chemistry

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    2. Biology

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      Latest: Neurons, DNA, Memory and Learning atyy, Jul 28, 2015 at 10:13 AM
    3. Medical Sciences

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      Latest: Can IQ be increased in an adult? Stephanus, Jul 28, 2015 at 1:09 PM
    4. Programming and Computer Science

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      Latest: what is the meaning of addressing mode? shantanu135, Jul 28, 2015 at 10:35 AM
    5. Earth

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      Latest: Reversal of earth's magnetic field Dotini, Jul 28, 2015 at 1:09 PM
    6. Computing and Technology

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    1. General Discussion

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      Latest: Supreme Court upholds Affordable Care Act jim hardy, Jul 28, 2015 at 6:57 PM
    2. Science Fiction and Fantasy

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      Latest: Need help figuring out a possible fusion engine mfb, Jul 28, 2015 at 9:32 AM
    3. Feedback and Announcements

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      Latest: Filters in Forums (B I A) Nugatory, Jul 28, 2015 at 10:18 AM
    4. New Member Introductions

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      Latest: Hello from Brazil! Borg, Jul 28, 2015 at 12:54 PM