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Physics Forums - The Fusion of Science and Community

  1. Science Education

    1. Homework and Coursework Questions

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      Homework and Coursework Questions

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      1. Introductory Physics Homework

      2. Advanced Physics Homework

      3. Precalculus Mathematics Homework

      4. Calculus and Beyond Homework

      5. Biology, Chemistry and Earth Homework

      6. Engineering and Computer Science Homework

      Latest: Three charges at corners of equilateral triangle PseudoGal, Mar 4, 2015 at 2:29 PM

    2. Science and Math Textbooks

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      Latest: Carl M. Bender (Advanced Mathematical Methods ...) Runei, Mar 4, 2015 at 5:39 AM

    3. Academic Guidance

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      Latest: Is it worth it to pay for a certificate from edX? jtbell, Mar 4, 2015 at 1:19 PM

    4. Career Guidance

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      Latest: Nanofabrication in the automotive industry? hunter151, Mar 4, 2015 at 2:17 PM

    5. Educators and Teaching

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      Latest: Looking for feedback on physics animations Bystander, Mar 4, 2015 at 1:59 AM

    6. STEM Learning Materials

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      Latest: Quantum Mechanics learning resource videos Maylis, Mar 4, 2015 at 9:35 AM

  2. Physics

    1. General Physics

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      Latest: Ising Model and Partition FUnction A Dhingra, Mar 4, 2015 at 2:20 PM

    2. Classical Physics

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      Latest: Please explain Venturi effect FeynmanFtw, Mar 4, 2015 at 1:28 PM

    3. Quantum Physics

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      Latest: Projection operator and measurement TrickyDicky, Mar 4, 2015 at 2:18 PM

    4. Special and General Relativity

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      Latest: Quick calculation check please PeterDonis, Mar 4, 2015 at 2:21 PM

    5. Atomic, Solid State, Comp. Physics

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      Latest: nearly free electron model - band gap unscientific, Mar 4, 2015 at 11:23 AM

    6. High Energy, Nuclear, Particle Physics

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      Latest: What functions of fields describe particles? matteo137, Mar 3, 2015 at 2:36 PM

    7. Beyond the Standard Model

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      Latest: Gravity from entanglement friend, Mar 4, 2015 at 10:11 AM

  3. Astronomy and Cosmology

    1. Astronomy and Astrophysics

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      Latest: How is the radius of the Earth determined? SteamKing, Mar 4, 2015 at 2:06 PM

    2. Cosmology

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      Latest: Inflation and WMAP skydivephil, Mar 4, 2015 at 12:23 PM

    3. Stargazing and Telescopes

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      Latest: Here are some astrophotos I've taken lately davenn, Mar 3, 2015 at 9:25 PM

  4. Mathematics

    1. General Math

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      Latest: A suggested operational definition of tensors Will Flannery, Mar 4, 2015 at 12:33 PM

    2. Calculus

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      Latest: Fundamental theorem of calculus - question & proof verifying "Don't panic!", Mar 4, 2015 at 10:18 AM

    3. Differential Equations

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      Latest: Understanding coupled Runga Kutta derivation ognik, Mar 2, 2015 at 9:35 PM

    4. Topology and Analysis

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      Latest: Clarification about Poincaré's conjecture lavinia, Mar 4, 2015 at 1:49 PM

    5. Linear and Abstract Algebra

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      Latest: Coefficients on the p-adic expansions MostlyHarmless, Mar 4, 2015 at 11:51 AM

    6. Differential Geometry

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      Latest: Koszul connexion lavinia, Mar 4, 2015 at 7:39 AM

    7. Set Theory, Logic, Probability, Statistics

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      Latest: Macro-states and dice unmantle, Mar 4, 2015 at 9:52 AM

    8. Math Software and LaTeX

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      Latest: Referring to elements of a table in Mathematica MostlyHarmless, Mar 4, 2015 at 12:41 PM

  5. Engineering

    1. General Engineering

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      Latest: YOU!: Fix the US Energy Crisis OmCheeto, Mar 4, 2015 at 12:32 PM

    2. Engineering Systems and Design

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      Latest: Control design for PWM converter Hubert Tchio, Mar 4, 2015 at 7:52 AM

    3. Mechanical Engineering

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      Mechanical Engineering

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      1. Aerospace Engineering

      2. Automotive Engineering

      Latest: Terms in aerodynamics bigfooted, Mar 4, 2015 at 1:19 PM

    4. Electrical Engineering

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      Latest: Antenna theory detection of angle of incidence tech99, Mar 4, 2015 at 2:28 PM

    5. Materials and Chemical Engineering

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      Latest: Reflectance or reflectivity spectrum interpretation fog37, Mar 4, 2015 at 9:08 AM

    6. Nuclear Engineering

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      Latest: An idea for a Pu-238 replacement for NASA space missions Hologram0110, Mar 4, 2015 at 8:01 AM

  6. Other Sciences

    1. Chemistry

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      Latest: How good is HCN addition to aromatic conjugated aldehyde? AURUM, Mar 4, 2015 at 10:56 AM

    2. Biology

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      Latest: Understanding 23andme results blud, Mar 4, 2015 at 12:42 AM

    3. Medical Sciences

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      Latest: is there any nutritional benefit to eating moltose dextrin Greg Bernhardt, Mar 4, 2015 at 9:12 AM

    4. Programming and Computer Science

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      Latest: [Fortran] Rounding up Random Numbers Mark44, Mar 4, 2015 at 2:02 PM

    5. Earth

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      Latest: Villarrica volcano davenn, Mar 3, 2015 at 9:39 PM

    6. Computing and Technology

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      Computing and Technology

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      1. Calculators

      Latest: Is 4GB of VRAM overkill for 1080p gaming? Hercuflea, Mar 2, 2015 at 10:56 AM

  7. PF Lounge

    1. General Discussion

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      General Discussion

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      Latest: Random Thoughts part 4 zoobyshoe, Mar 4, 2015 at 1:54 PM

    2. Science Fiction and Fantasy

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      Science Fiction and Fantasy

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      1. Science Fiction Writing

      Latest: Who is your favorite SciFi character? Khatti, Mar 4, 2015 at 4:30 AM

    3. Feedback and Announcements

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      Feedback and Announcements

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      1. PF Member Awards 2014

      Latest: Walking on eggshells Evo, Mar 4, 2015 at 1:53 PM

    4. New Member Introductions

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      Latest: Obligatory Intro Greg Bernhardt, Mar 4, 2015 at 1:46 PM