Physics Forums - The Fusion of Science and Community

    1. Science and Math Textbooks

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      Latest: Old Mathematical Books SpanishOmelette, Apr 25, 2015 at 5:27 AM
    2. Academic Guidance

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    3. Career Guidance

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    4. Educators and Teaching

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    5. STEM Learning Materials

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      Latest: Matlab for HS students? jedishrfu, Apr 24, 2015 at 3:29 PM
    1. General Physics

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      Latest: Gas electricity sophiecentaur, Apr 25, 2015 at 5:02 AM
    2. Classical Physics

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      Latest: Kinetic Energy vs Momentum vs Power Simon Bridge, Apr 25, 2015 at 5:43 AM
    3. Quantum Physics

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      Latest: Construction of free energy using Landau theory BruceW, Apr 25, 2015 at 2:42 AM
    4. Special and General Relativity

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      Latest: Energy formulas in SR PWiz, Apr 25, 2015 at 6:09 AM
    5. Atomic, Solid State, Comp. Physics

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    6. High Energy, Nuclear, Particle Physics

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      Latest: Particle Vibration, Velocity, Gravity, Force berkeman, Apr 24, 2015 at 8:40 PM
    7. Beyond the Standard Model

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      Latest: Alain homers with Ali and Slava on base Markus, Apr 25, 2015 at 5:17 AM
    1. Astronomy and Astrophysics

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      Latest: A Black Hole's "lost entropy"? wabbit, Apr 25, 2015 at 2:33 AM
    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: A pretty interesting counting problem Merlin3189, Apr 25, 2015 at 4:49 AM
    2. Calculus

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      Latest: about square root Emmanuel_Euler, Apr 25, 2015 at 1:08 AM
    3. Differential Equations

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    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 256bits, Apr 24, 2015 at 9:24 PM
    3. Mechanical Engineering

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      Latest: Anti-Lag Turbo Supercharger rcgldr, Apr 25, 2015 at 2:28 AM
    4. Electrical Engineering

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      Latest: Induced current in a circular loop Simon Bridge, Apr 25, 2015 at 6:04 AM
    5. Materials and Chemical Engineering

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      Latest: Torus material TESL@, Apr 24, 2015 at 10:05 PM
    6. Nuclear Engineering

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      Latest: to create a library by using the makxs foroughi, Apr 25, 2015 at 1:04 AM
    1. Chemistry

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      Latest: Absorbance - UV Spectroscopy Borek, Apr 25, 2015 at 1:40 AM
    2. Biology

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    3. Medical Sciences

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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 ramdas, Apr 25, 2015 at 4:33 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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      Latest: TI-NSpire battery door / cover CalcNerd, Apr 24, 2015 at 1:33 PM
    1. General Discussion

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      Latest: Science/Math Pick up lines 256bits, Apr 25, 2015 at 4:44 AM
    2. 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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    4. New Member Introductions

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      Latest: hi there...I'm new here sushant sharma, Apr 25, 2015 at 3:07 AM