Physics Forums - The Fusion of Science and Community

    1. Science and Math Textbooks

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      Latest: Khan Academy or Textbook? montadhar, Jun 30, 2015 at 7:07 PM
    2. Academic Guidance

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    3. Career Guidance

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      Latest: Choosing between physics and EE atyy, Jun 30, 2015 at 10:42 PM
    4. Educators and Teaching

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      Latest: Standardized Tests: Have we gone too far? votingmachine, Jun 30, 2015 at 10:39 PM
    5. STEM Learning Materials

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    1. General Physics

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    2. Classical Physics

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      Latest: Spinning ring rootone, Jun 30, 2015 at 9:10 PM
    3. Quantum Physics

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      Latest: Ballentine-sections 3.2 and 3.3 strangerep, Jun 30, 2015 at 11:58 PM
    4. Special and General Relativity

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      Latest: Rest mass time dependent? PeterDonis, Jun 30, 2015 at 11:54 PM
    5. Atomic, Solid State, Comp. Physics

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    6. High Energy, Nuclear, Particle Physics

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      Latest: Neutrino theory regarding rest masses Buzz Bloom, Jun 30, 2015 at 8:54 PM
    7. Beyond the Standard Model

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    1. Astronomy and Astrophysics

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    2. Cosmology

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    3. Stargazing and Telescopes

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      Latest: Nice lunar and planetary conjunction davenn, Jun 30, 2015 at 4:48 PM
    1. General Math

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      Latest: Proof of limits Mark44, Jun 30, 2015 at 11:47 PM
    2. Calculus

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      Latest: Antiderivatives and the fundamental theorem pwsnafu, Jun 30, 2015 at 7:26 PM
    3. Differential Equations

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      Latest: Method of lines for diffusion equation k0st123, Jun 30, 2015 at 6:19 PM
    4. Topology and Analysis

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      Latest: smallest subspace of a vector space HallsofIvy, Jun 30, 2015 at 9:06 PM
    5. Linear and Abstract Algebra

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      Latest: Underdetermined vs Overdetermined Systems cgk, Jun 30, 2015 at 11:48 PM
    6. Differential Geometry

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      Latest: Prove a metric is bilinear Simone Furcas, Jun 30, 2015 at 6:59 PM
    7. Set Theory, Logic, Probability, Statistics

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    8. Math Software and LaTeX

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    1. General Engineering

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      Latest: Varied frequency power supply for strobe light berkeman, Jun 30, 2015 at 2:38 PM
    2. Engineering Systems and Design

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      Latest: is it possible to build a windmill at home? SteamKing, Jun 30, 2015 at 10:59 PM
    3. Mechanical Engineering

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      Latest: Need help with a tri-cycle design Ketch22, Jun 30, 2015 at 11:21 PM
    4. Electrical Engineering

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      Latest: electric generator RPM stedwards, Jun 30, 2015 at 11:22 PM
    5. Materials and Chemical Engineering

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      Latest: why ultimate load is less than yield load? FK123, Jun 30, 2015 at 11:02 PM
    6. Nuclear Engineering

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    1. Chemistry

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      Latest: Oxidation & Activity Series Tam Le, Jun 30, 2015 at 8:10 PM
    2. Biology

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      Latest: Why cannot we crossbreed Pig and Cat? SteamKing, Jun 30, 2015 at 10:40 PM
    3. Medical Sciences

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      Latest: What makes effective UV - proof clothing? berkeman, Jun 30, 2015 at 4:53 PM
    4. Programming and Computer Science

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    5. Earth

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      Latest: North America inland sea phyzguy, Jun 30, 2015 at 10:56 PM
    6. Computing and Technology

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      Latest: Physics/math keyboard for android app FoolOnTheHill, Jun 30, 2015 at 2:47 PM
    1. General Discussion

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      Latest: Random Thoughts part 4 OmCheeto, Jun 30, 2015 at 11:55 PM
    2. Science Fiction and Fantasy

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      Latest: Biological vs a robotic army? Khatti, Jun 30, 2015 at 3:52 PM
    3. Feedback and Announcements

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      Latest: White spaces in Firefox for Android Swamp Thing, Jun 30, 2015 at 11:32 PM
    4. New Member Introductions

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