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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: Capacitance from 2 energies stored not knowing voltage Steven Thomas, Feb 28, 2015 at 11:27 AM

    2. Science and Math Textbooks

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      Latest: Looking for a good book explaining physics of a quadcopter Chris Haskin, Feb 28, 2015 at 12:15 AM

    3. Academic Guidance

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      Latest: Fermilab summer Lee Teng Intership Tincho42, Feb 28, 2015 at 10:42 AM

    4. Career Guidance

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      Latest: Is a bachelor in Physics a good idea for Engineering? ModusPwnd, Feb 28, 2015 at 10:54 AM

    5. Educators and Teaching

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      Latest: Why are students permitted to use calculators on AP math? momof4, Feb 27, 2015 at 11:30 AM

    6. STEM Learning Materials

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      Latest: Problem Book in Relativity and Gravitation, online, free bcrowell, Feb 25, 2015 at 4:30 PM

  2. Physics

    1. General Physics

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      Latest: How do GPS Satellites work exactly? russ_watters, Feb 28, 2015 at 11:09 AM

    2. Classical Physics

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      Latest: If the Singularity in a Black Hole Has Infinite Mass The Fishicist, Feb 28, 2015 at 11:26 AM

    3. Quantum Physics

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      Latest: How is the vacuum energy effected by nearby particles? friend, Feb 28, 2015 at 9:38 AM

    4. Special and General Relativity

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      Latest: FRW metric, parameter k characterizes space or space-time? The Fishicist, Feb 28, 2015 at 10:49 AM

    5. Atomic, Solid State, Comp. Physics

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      Latest: Molecular Hydrogen absorption spectrum lightarrow, Feb 28, 2015 at 6:18 AM

    6. High Energy, Nuclear, Particle Physics

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      Latest: Experimental Black Hole Physics wabbit, Feb 28, 2015 at 4:00 AM

    7. Beyond the Standard Model

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      Latest: Hubble Constant and Entropy wabbit, Feb 28, 2015 at 9:05 AM

  3. Astronomy and Cosmology

    1. Astronomy and Astrophysics

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      Latest: Earth and moon barycenter question. Garth, Feb 28, 2015 at 10:42 AM

    2. Cosmology

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      Latest: Extremely large Black Hole discovered 900M years after BB Orien Rigney, Feb 28, 2015 at 11:18 AM

    3. Stargazing and Telescopes

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      Latest: Planning to buy a first telescope? jim hardy, Feb 27, 2015 at 12:44 PM

  4. Mathematics

    1. General Math

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      Messages:
      111,850
      Latest: Looking for a insightful roadmap to learn math Daniel ATOM, Feb 28, 2015 at 11:10 AM

    2. Calculus

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      Latest: Steepest descent vs. stationary phase method blue_leaf77, Feb 28, 2015 at 11:20 AM

    3. Differential Equations

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      Latest: Fourier Transform Orodruin, Feb 28, 2015 at 4:13 AM

    4. Topology and Analysis

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      Latest: Maxmimum\Minimum modulus principle mathwonk, Feb 27, 2015 at 6:17 PM

    5. Linear and Abstract Algebra

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      Latest: Proof this transformation belongs to SU(2) Cancer, Feb 28, 2015 at 10:57 AM

    6. Differential Geometry

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      Latest: Stuck with tensors, need a push Fredrik, Feb 27, 2015 at 11:01 AM

    7. Set Theory, Logic, Probability, Statistics

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      Latest: confusion over definition of relations in set theory Stephen Tashi, Feb 28, 2015 at 11:10 AM

    8. Math Software and LaTeX

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      Latest: Fitting an ellipse through 3-d data SubTachyon, Feb 27, 2015 at 4:36 PM

  5. Engineering

    1. General Engineering

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      Messages:
      35,495
      Latest: YOU!: Fix the US Energy Crisis bluespanishlady, Feb 28, 2015 at 10:43 AM

    2. Engineering Systems and Design

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      Messages:
      11,686
      Latest: 4 in lift mechanism using a continuous servo? billy_joule, Feb 27, 2015 at 1:00 PM

    3. Mechanical Engineering

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      Mechanical Engineering

      Sub-Forums

      1. Aerospace Engineering

      2. Automotive Engineering

      Latest: Simplest way to align rectangular boxes Butters, Feb 28, 2015 at 10:18 AM

    4. Electrical Engineering

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      Latest: 12V Wind Turbine - Voltage question OmCheeto, Feb 28, 2015 at 10:32 AM

    5. Materials and Chemical Engineering

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      Messages:
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      Latest: Buried water pipes freeze-has been cold-the sun comes out Baluncore, Feb 28, 2015 at 6:20 AM

    6. Nuclear Engineering

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      34,400
      Latest: The Nuclear Power Thread nikkkom, Feb 28, 2015 at 10:57 AM

  6. Other Sciences

    1. Chemistry

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      7,098
      Messages:
      37,365
      Latest: The Smell of Garlic and Enzymatic Oxidation dncosar, Feb 28, 2015 at 11:00 AM

    2. Biology

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      Latest: Insulin Resistance and Cell Signaling infinite.curve, Feb 28, 2015 at 10:23 AM

    3. Medical Sciences

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      Latest: Can pull up exercise increase height? Mark44, Feb 28, 2015 at 11:01 AM

    4. Programming and Computer Science

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      Latest: Run Javascript after DOM is ready Filip Larsen, Feb 27, 2015 at 2:37 PM

    5. Earth

      Discussions:
      1,740
      Messages:
      20,346
      Latest: Large crater in Siberia D H, Feb 27, 2015 at 4:49 PM

    6. Computing and Technology

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      43,410

      Computing and Technology

      Sub-Forums

      1. Calculators

      Latest: Is 4GB of VRAM overkill for 1080p gaming? Hercuflea, Feb 28, 2015 at 5:51 AM

  7. PF Lounge

    1. General Discussion

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      General Discussion

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      1. Current Events

      2. History and Humanities

      3. Photography

      4. Fun, Photos and Games

      5. Relationships

      6. Social Sciences

      Latest: Ukrainian mess Dotini, Feb 28, 2015 at 10:40 AM

    2. Science Fiction and Fantasy

      Discussions:
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      10,804

      Science Fiction and Fantasy

      Sub-Forums

      1. Science Fiction Writing

      Latest: Consequences of denser atmosphere on Earth-like planet Czcibor, Feb 28, 2015 at 8:56 AM

    3. Feedback and Announcements

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      Feedback and Announcements

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      1. PF Member Awards 2014

      Latest: Scribble pad along with normal posting Raghav Gupta, Feb 28, 2015 at 6:41 AM

    4. New Member Introductions

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      Latest: My truncated background/introduction. Greg Bernhardt, Feb 28, 2015 at 10:36 AM