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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

      Sub-Forums

      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: Chi Square Distribution Problem Nexttime35, Mar 5, 2015 at 2:14 PM

    2. Science and Math Textbooks

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      Latest: Math Textbook Series Wyn, Mar 5, 2015 at 1:51 PM

    3. Academic Guidance

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      Latest: What to learn next in physics siebe22, Mar 5, 2015 at 2:04 PM

    4. Career Guidance

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      Latest: Job Interview Advice Choppy, Mar 5, 2015 at 1:37 PM

    5. Educators and Teaching

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      Latest: Looking for feedback on physics animations Matt Whibley, Mar 5, 2015 at 12:02 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: changing electric field and refractive index AdityaDev, Mar 5, 2015 at 2:13 PM

    2. Classical Physics

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      Latest: Mythbusters: Blow your own sail Andrew Mason, Mar 5, 2015 at 2:02 PM

    3. Quantum Physics

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      Latest: Binney's interpretation of Violation of Bell Inequalities TrickyDicky, Mar 5, 2015 at 2:12 PM

    4. Special and General Relativity

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      Latest: Quick calculation check please PeterDonis, Mar 5, 2015 at 1:56 PM

    5. Atomic, Solid State, Comp. Physics

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      Latest: Why do the free electrons in the N-type want to diffuse? sk1105, Mar 5, 2015 at 12:27 PM

    6. High Energy, Nuclear, Particle Physics

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      Latest: Simplifying nuclear equations Orodruin, Mar 5, 2015 at 1:10 PM

    7. Beyond the Standard Model

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      Latest: Gravity from entanglement friend, Mar 5, 2015 at 11:59 AM

  3. Astronomy and Cosmology

    1. Astronomy and Astrophysics

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      Latest: Asteroid 99942 Apophis impacting the Earth in 2029 davenn, Mar 5, 2015 at 2:03 PM

    2. Cosmology

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      Latest: The future of our universe Quarlep, Mar 5, 2015 at 2:14 PM

    3. Stargazing and Telescopes

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      Latest: Purchasing binoculars for stargazing advice turbo, Mar 5, 2015 at 1:18 PM

  4. Mathematics

    1. General Math

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      Latest: Calculating Equations of Ellipses Within a Cone wabbit, Mar 5, 2015 at 1:15 PM

    2. Calculus

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      Latest: Mathematical analysis(Book recommendation) Motivanka, Mar 5, 2015 at 9:54 AM

    3. Differential Equations

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      Latest: How to get the laplacian of a scalar field? cvex, Mar 4, 2015 at 11:00 PM

    4. Topology and Analysis

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      Latest: Clarification about Poincaré's conjecture jk22, Mar 5, 2015 at 10:31 AM

    5. Linear and Abstract Algebra

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      Latest: Difference between REF/RREF (Gauss vs Gauss-Jordan)? leo255, Mar 5, 2015 at 11:24 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: Drawing three cards - combined probability PeroK, Mar 5, 2015 at 7:23 AM

    8. Math Software and LaTeX

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      Latest: Mathematica NDSolve initial condition DaleSpam, Mar 5, 2015 at 8:00 AM

  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: draw helix in MAXWELL 3D ATTAB, Mar 5, 2015 at 9:10 AM

    3. Mechanical Engineering

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      Mechanical Engineering

      Sub-Forums

      1. Aerospace Engineering

      2. Automotive Engineering

      Latest: Need to find the exact velocity value bliinkboy, Mar 5, 2015 at 11:52 AM

    4. Electrical Engineering

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      Latest: What is the polarity of a Pn junction diode Jony130, Mar 5, 2015 at 1:23 PM

    5. Materials and Chemical Engineering

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      Latest: Reflectance or reflectivity spectrum interpretation fog37, Mar 5, 2015 at 10:03 AM

    6. Nuclear Engineering

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      Latest: List of Neutron Moderators mheslep, Mar 4, 2015 at 8:45 PM

  6. Other Sciences

    1. Chemistry

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      Latest: Can bacteria nitrify ammonia if it is bonded to a base? nst.john, Mar 5, 2015 at 1:42 PM

    2. Biology

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      Latest: AST/ALT levels Evo, Mar 5, 2015 at 2:11 PM

    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: What's a good intro computer science book? jim mcnamara, Mar 5, 2015 at 9:11 AM

    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: Best (non-program) sci. calculator with a viewable memory? thankz, Mar 5, 2015 at 1:42 PM

  7. PF Lounge

    1. General Discussion

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      General Discussion

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      1. Current Events

      2. History and Humanities

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      4. Fun, Photos and Games

      5. Relationships

      6. Social Sciences

      Latest: Freedom of speech and pseudoscience Bystander, Mar 5, 2015 at 2:12 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? m_robertson, Mar 5, 2015 at 1:15 PM

    3. Feedback and Announcements

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      Feedback and Announcements

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      1. PF Member Awards 2014

      Latest: Auto-save feature bogs down web browser dramatically phinds, Mar 5, 2015 at 12:02 PM

    4. New Member Introductions

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      Latest: just trying to say hi Greg Bernhardt, Mar 5, 2015 at 2:09 PM