Physics Forums - The Fusion of Science and Community

    1. Science and Math Textbooks

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      Latest: Old Mathematical Books certainly, Apr 25, 2015 at 6:19 AM
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    5. STEM Learning Materials

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    1. General Physics

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      Latest: Machinegun vs giant asteroid mfb, Apr 25, 2015 at 9:10 AM
    2. Classical Physics

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    3. Quantum Physics

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      Latest: Question about Virtual Particles craigi, Apr 25, 2015 at 9:27 AM
    4. Special and General Relativity

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    5. Atomic, Solid State, Comp. Physics

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      Latest: Why Cannot I Factorize the Partition Function? mfb, Apr 25, 2015 at 8:26 AM
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    7. Beyond the Standard Model

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    1. Astronomy and Astrophysics

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    2. Cosmology

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      Latest: Observational difference between OS and FLRW wabbit, Apr 25, 2015 at 2:54 AM
    3. Stargazing and Telescopes

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      Latest: What stars/star systems can I see tonight? davenn, Apr 24, 2015 at 6:21 PM
    1. General Math

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      Latest: How many potential ingress glyphs are there? mfb, Apr 25, 2015 at 8:25 AM
    2. Calculus

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      Latest: Really hard integrals? PWiz, Apr 25, 2015 at 9:25 AM
    3. Differential Equations

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      Latest: Physical meaning of KdV equation Simon Bridge, Apr 25, 2015 at 7:14 AM
    4. Topology and Analysis

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      Latest: Complex Analysis: Contour Integral nateHI, Apr 24, 2015 at 4:54 PM
    5. Linear and Abstract Algebra

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      Latest: Convolution on groups jbunniii, Apr 24, 2015 at 11:18 AM
    6. Differential Geometry

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      Latest: Noethers theorem, physics and mathematics JVM, Apr 22, 2015 at 9:20 AM
    7. Set Theory, Logic, Probability, Statistics

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      Latest: Derive mgf bivariate normal distribution Lewis7879, Apr 25, 2015 at 1:17 AM
    8. Math Software and LaTeX

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      Latest: Latex- how to do single quotes? Simon Bridge, Apr 24, 2015 at 7:31 PM
    1. General Engineering

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      Latest: Homemade battery packs 48volts rbelli1, Apr 25, 2015 at 12:30 AM
    2. Engineering Systems and Design

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      Latest: Modeling a Pulley Hellmut1956, Apr 25, 2015 at 6:39 AM
    3. Mechanical Engineering

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    5. Materials and Chemical Engineering

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    1. Chemistry

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      Latest: Absorbance - UV Spectroscopy Borek, Apr 25, 2015 at 1:40 AM
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      Latest: What makes effective UV - proof clothing? Drakkith, Apr 24, 2015 at 10:55 PM
    4. Programming and Computer Science

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      Latest: Harmonics present in an Image FactChecker, Apr 25, 2015 at 6:17 AM
    5. Earth

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      Latest: BIG quake coming in NOW davenn, Apr 25, 2015 at 5:49 AM
    6. Computing and Technology

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    1. Science Fiction and Fantasy

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      Latest: "Chewie, we're home" jedishrfu, Apr 24, 2015 at 11:13 PM
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    3. New Member Introductions

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      Latest: Hi All, ZapperZ, Apr 25, 2015 at 8:41 AM