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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: Question about static equilibrium bioengi12345, Feb 27, 2015 at 3:14 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: Math REUs 2015 Caty24, Feb 27, 2015 at 1:54 PM

    4. Career Guidance

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      Latest: DoE/SULI acceptances? samnorris93, Feb 27, 2015 at 2:27 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: Science fair physics Investigation Paulene Gueco, Feb 27, 2015 at 3:15 PM

    2. Classical Physics

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      Latest: Accelerating charges and frames of reference Drakkith, Feb 27, 2015 at 3:12 PM

    3. Quantum Physics

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      Latest: Does quantization always work? my2cts, Feb 27, 2015 at 2:27 PM

    4. Special and General Relativity

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      Latest: Energy-momentum tensor radiation-dominated universe. binbagsss, Feb 27, 2015 at 2:57 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: Ceres at 1 lightsecond, 36% size of full moon mheslep, Feb 27, 2015 at 3:08 PM

    2. Cosmology

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      Latest: Thinking outside the box. Nugatory, Feb 27, 2015 at 3:11 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: Really hard integrals? dextercioby, Feb 27, 2015 at 2:42 PM

    3. Differential Equations

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      Latest: Dirichlet and Nuemann condition on the same boundary Orodruin, Feb 27, 2015 at 2:07 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: confusion over definition of relations in set theory HallsofIvy, Feb 27, 2015 at 1:58 PM

    8. Math Software and LaTeX

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      Latest: Understanding this Computer program Slightly, Feb 26, 2015 at 8:32 PM

  5. Engineering

    1. General Engineering

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      Latest: Need help calculating the heat of a wire wrapped Quantum Defect, Feb 27, 2015 at 2:06 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

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      1. Aerospace Engineering

      2. Automotive Engineering

      Latest: Heat Exchanger Design Project Highspeed, Feb 27, 2015 at 1:56 PM

    4. Electrical Engineering

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      Latest: What does a leading/lagging angle mean on the grid? jim hardy, Feb 27, 2015 at 3:04 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 Bystander, Feb 27, 2015 at 10:23 AM

    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

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      6. Social Sciences

      Latest: Asteroid 99942 Apophis Joseph Austin, Feb 27, 2015 at 3:16 PM

    2. Science Fiction and Fantasy

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      Science Fiction and Fantasy

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      1. Science Fiction Writing

      Latest: What fantasy universe would you live in? ComplexVar89, Feb 27, 2015 at 2:32 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 folks! Greg Bernhardt, Feb 27, 2015 at 2:43 PM