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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: Cylindrical Charge distribution with dielectric shell nich, Feb 27, 2015 at 4:47 PM

    2. Science and Math Textbooks

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      Latest: Introductory book on semiconductors? Gytax, Feb 27, 2015 at 10:20 AM

    3. Academic Guidance

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      Latest: Physics Minor? JA14, Feb 27, 2015 at 4:28 PM

    4. Career Guidance

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      Latest: As a High school senior, my knowledge of physics is limited talrefae, Feb 27, 2015 at 4:17 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: How does the dark and bright fringes form ? sophiecentaur, Feb 27, 2015 at 4:47 PM

    2. Classical Physics

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      Latest: Explanation for ball hovering in a vertical stream rcgldr, Feb 27, 2015 at 4:35 PM

    3. Quantum Physics

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      Latest: Electrons and the Double Slit experiment questions bhobba, Feb 27, 2015 at 3:38 PM

    4. Special and General Relativity

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      Latest: Energy-momentum tensor radiation-dominated universe. PeterDonis, Feb 27, 2015 at 4:12 PM

    5. Atomic, Solid State, Comp. Physics

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      Latest: Molecular Hydrogen absorption spectrum Quantum Defect, Feb 27, 2015 at 1:57 PM

    6. High Energy, Nuclear, Particle Physics

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      Latest: Experimental Black Hole Physics wabbit, Feb 27, 2015 at 3:06 PM

    7. Beyond the Standard Model

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      Latest: Is the graviton the only thing to find in LQG? MTd2, Feb 27, 2015 at 1:07 PM

  3. Astronomy and Cosmology

    1. Astronomy and Astrophysics

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      Latest: Doubts about nebulae and star formation Orien Rigney, Feb 27, 2015 at 4:36 PM

    2. Cosmology

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      Latest: Is the "Big Bang Theory" is on it's last breath? RandyD123, Feb 27, 2015 at 4:47 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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      Latest: Binomial series micromass, Feb 27, 2015 at 1:26 PM

    2. Calculus

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      Latest: Addition property of integration intervals proof "Don't panic!", Feb 27, 2015 at 4:40 PM

    3. Differential Equations

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      Latest: 2D Stationary advection-diffusion eq. as a BVP pasmith, Feb 27, 2015 at 4:15 PM

    4. Topology and Analysis

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      Latest: Taylor series wabbit, Feb 27, 2015 at 6:34 AM

    5. Linear and Abstract Algebra

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      Latest: Matrices and systems of equations Avatrin, Feb 27, 2015 at 2:34 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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      Latest: Drawing three cards - combined probability mathman, Feb 27, 2015 at 4:28 PM

    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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      Latest: Need help calculating the heat of a wire wrapped devinA, Feb 27, 2015 at 4:48 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: engines' aggragated technical data for a presentation OldEngr63, Feb 27, 2015 at 3:31 PM

    4. Electrical Engineering

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      Latest: What does a leading/lagging angle mean on the grid? powermarketguy, Feb 27, 2015 at 4:41 PM

    5. Materials and Chemical Engineering

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      Latest: Buried water pipes freeze-has been cold-the sun comes out 256bits, Feb 27, 2015 at 1:35 AM

    6. Nuclear Engineering

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      Latest: The Nuclear Power Thread nikkkom, Feb 27, 2015 at 2:12 PM

  6. Other Sciences

    1. Chemistry

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      Latest: Propagation of error: exponents AndrewBworth, Feb 27, 2015 at 2:31 PM

    2. Biology

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      Latest: Were neanderthals truely strong? Evo, Feb 27, 2015 at 1:12 AM

    3. Medical Sciences

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      Latest: Can pull up exercise increase height? DaveC426913, Feb 27, 2015 at 1:00 PM

    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

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      Latest: Large crater in Siberia D H, Feb 27, 2015 at 4:49 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? B. Elliott, Feb 27, 2015 at 3:13 PM

  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

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      Latest: "What colour is this dress" craze Borek, Feb 27, 2015 at 4:48 PM

    2. Science Fiction and Fantasy

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      Science Fiction and Fantasy

      Sub-Forums

      1. Science Fiction Writing

      Latest: Consequences of denser atmosphere on Earth-like planet Bystander, Feb 27, 2015 at 3:58 PM

    3. Feedback and Announcements

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      Feedback and Announcements

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      1. PF Member Awards 2014

      Latest: when people help they are not allowed to include answers? Greg Bernhardt, Feb 27, 2015 at 9:12 AM

    4. New Member Introductions

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      Latest: Hi, guys. Greg Bernhardt, Feb 27, 2015 at 4:30 PM