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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: Finding a time-dependent vector Chestermiller, Feb 28, 2015 at 1:20 PM

    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: Career Change at age 30 Caution-Long Post EpsilonDelta, Feb 28, 2015 at 1:15 PM

    4. Career Guidance

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      Latest: Is a bachelor in Physics a good idea for Engineering? DaleSpam, Feb 28, 2015 at 12:35 PM

    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: Volume of Ionized Hydrogen. Misha Kuznetsov, Feb 28, 2015 at 12:48 PM

    2. Classical Physics

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      Latest: Mythbusters: Blow your own sail A.T., Feb 28, 2015 at 11:13 AM

    3. Quantum Physics

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      Latest: Energy delta of entanglement jfizzix, Feb 28, 2015 at 12:36 PM

    4. Special and General Relativity

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      Latest: Time dilation wabbit, Feb 28, 2015 at 1:20 PM

    5. Atomic, Solid State, Comp. Physics

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      Latest: Reciprocal lattice vector M Quack, Feb 28, 2015 at 12:33 PM

    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 12:51 PM

  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 Garth, Feb 28, 2015 at 1:19 PM

    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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      111,851
      Latest: Function and function point, Feb 28, 2015 at 12:27 PM

    2. Calculus

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      74,200
      Latest: Stuck getting derivative when can't isolate my variable Mark44, Feb 28, 2015 at 12:57 PM

    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 Hawkeye18, Feb 28, 2015 at 1:02 PM

    5. Linear and Abstract Algebra

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      Latest: Green's Function - modified operator RightFresh, Feb 28, 2015 at 12:47 PM

    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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      38,791
      Latest: Fitting distribution to histogram with low number of counts Stephen Tashi, Feb 28, 2015 at 11:36 AM

    8. Math Software and LaTeX

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      19,462
      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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      Latest: YOU!: Fix the US Energy Crisis OmCheeto, Feb 28, 2015 at 1:09 PM

    2. Engineering Systems and Design

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      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: Determine the Rate of Change of Pressure Across a Valve Purple_Dan, Feb 28, 2015 at 12:09 PM

    4. Electrical Engineering

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      Latest: Replacing a capacitor in my DVD player SnakeDoc, Feb 28, 2015 at 12:47 PM

    5. Materials and Chemical Engineering

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      Messages:
      10,213
      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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      Messages:
      34,400
      Latest: The Nuclear Power Thread nikkkom, Feb 28, 2015 at 10:57 AM

  6. Other Sciences

    1. Chemistry

      Discussions:
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      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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      22,195
      Latest: Can pull up exercise increase height? Mark44, Feb 28, 2015 at 11:01 AM

    4. Programming and Computer Science

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      28,481
      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: Stephen Hawkings death view Evo, Feb 28, 2015 at 11:39 AM

    2. Science Fiction and Fantasy

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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 1:19 PM

    4. New Member Introductions

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      Latest: Howdy Folks titasB, Feb 28, 2015 at 12:39 PM