Physics Forums - The Fusion of Science and Community

    1. Science and Math Textbooks

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      Latest: Beginning Trigonometry textbook josephgerth, Jul 1, 2015 at 10:25 AM
    2. Academic Guidance

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      Latest: Aspiring physicist micromass, Jul 1, 2015 at 11:50 AM
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      Latest: Machine learning or algorithm design Domenico94, Jul 1, 2015 at 3:57 PM
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    1. General Physics

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      Latest: Direction of frictional force when running A.T., Jul 1, 2015 at 3:54 PM
    2. Classical Physics

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    3. Quantum Physics

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      Latest: Peskin p135 5.10 Orodruin, Jul 1, 2015 at 4:01 PM
    4. Special and General Relativity

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      Latest: Poincaré 's Space Dilema A.T., Jul 1, 2015 at 4:02 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 Orodruin, Jul 1, 2015 at 4:04 PM
    7. Beyond the Standard Model

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      Latest: Relaxion: New idea for naturalness mfb, Jul 1, 2015 at 3:08 PM
    1. Astronomy and Astrophysics

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      Latest: Why no telescopes on the moon? mfb, Jul 1, 2015 at 3:13 PM
    2. Cosmology

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      Latest: Isn't space expansion logically required? Jimster41, Jul 1, 2015 at 4:03 PM
    3. Stargazing and Telescopes

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      Latest: Milky Way Andy Resnick, Jul 1, 2015 at 2:22 PM
    1. General Math

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      Latest: Proof of limits Josh S Thompson, Jul 1, 2015 at 3:06 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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    4. Topology and Analysis

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      Latest: smallest subspace of a vector space Fredrik, Jul 1, 2015 at 7:49 AM
    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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      Latest: If X(t) is gaussian process, How about X(2t)? Mark44, Jul 1, 2015 at 1:27 PM
    8. Math Software and LaTeX

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    1. General Engineering

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      Latest: Atmospheric CO2 removal technologies? johnbbahm, Jul 1, 2015 at 12:33 PM
    2. Engineering Systems and Design

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      Latest: is it possible to build a windmill at home? rootone, Jul 1, 2015 at 3:29 PM
    3. Mechanical Engineering

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      Latest: Ansys 15 - create moving loads Rakeshathukattu, Jul 1, 2015 at 10:11 AM
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    5. Materials and Chemical Engineering

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    6. Nuclear Engineering

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      Latest: Japan Earthquake: nuclear plants part 2 Sotan, Jul 1, 2015 at 5:36 AM
    1. Chemistry

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    2. Biology

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      Latest: Enzyme kinetics Km Vmax Alcoholdehydrogenase Almeisan, Jul 1, 2015 at 3:16 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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      Latest: I want to learn programming -- How? thankz, Jul 1, 2015 at 2:38 PM
    5. Earth

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      Latest: North America inland sea tom aaron, Jul 1, 2015 at 11:49 AM
    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 WWGD, Jul 1, 2015 at 3:58 PM
    2. Science Fiction and Fantasy

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      Latest: Biological vs a robotic army? Czcibor, Jul 1, 2015 at 9:02 AM
    3. Feedback and Announcements

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    4. New Member Introductions

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