Physics Forums - The Fusion of Science and Community

    1. Science and Math Textbooks

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      Latest: Mike Spivak Math Textbooks Loststudent22, Apr 1, 2015 at 7:12 PM
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    4. Educators and Teaching

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      Latest: Books on Engineering analogdesign, Apr 1, 2015 at 1:09 PM
    1. General Physics

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    2. Classical Physics

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      Latest: Why wouldn't the disc/paper rotate? russ_watters, Apr 1, 2015 at 10:02 PM
    3. Quantum Physics

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      Latest: Double slit experiment and Interaction bhobba, Apr 1, 2015 at 10:15 PM
    4. Special and General Relativity

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    5. Atomic, Solid State, Comp. Physics

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      Latest: Rotations in SU(2) space George Jones, Apr 1, 2015 at 6:12 PM
    7. Beyond the Standard Model

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      Latest: How quantizable matter gravitates friend, Apr 1, 2015 at 8:45 PM
    1. Astronomy and Astrophysics

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      Latest: Question About Gravitational Time Dilation !! phinds, Apr 1, 2015 at 9:18 PM
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    3. Stargazing and Telescopes

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    1. General Math

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      Latest: prime number spiral OCR, Apr 1, 2015 at 8:21 PM
    2. Calculus

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    3. Differential Equations

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      Latest: Poisson PDE in polar coordinates with FDM jedishrfu, Apr 1, 2015 at 4:33 PM
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    6. Differential Geometry

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    7. Set Theory, Logic, Probability, Statistics

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    8. Math Software and LaTeX

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      Latest: Simple Mathematica question joshmccraney, Apr 1, 2015 at 9:12 PM
    1. General Engineering

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    2. Engineering Systems and Design

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      Latest: Temperature drop in tank Delta², Apr 1, 2015 at 10:04 PM
    3. Mechanical Engineering

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      Latest: Anti-Lag Turbo Supercharger rcgldr, Apr 1, 2015 at 9:20 PM
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      Latest: (Fundamentally) Understanding Circuit Boards Essence, Apr 1, 2015 at 10:01 PM
    5. Materials and Chemical Engineering

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      Latest: Short Circuit Current in Solar PV Cells nsaspook, Apr 1, 2015 at 3:22 PM
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      Latest: Waste Heat jim hardy, Apr 1, 2015 at 12:38 PM
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    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: Perception of other dimensions dougfgd, Apr 1, 2015 at 2:44 PM
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    4. New Member Introductions

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      Latest: hi :) Greg Bernhardt, Apr 1, 2015 at 9:17 PM