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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: Potential difference between three capacitors in series Ware182, Mar 1, 2015 at 10:32 AM

    2. Science and Math Textbooks

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      Latest: Cosmology books for high school students snatchingthepi, Mar 1, 2015 at 10:20 AM

    3. Academic Guidance

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      Latest: Want to major in computer science, but dont like programming SteamKing, Mar 1, 2015 at 10:32 AM

    4. Career Guidance

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      Latest: Will a gap year harm my ability/career? Fineman, Mar 1, 2015 at 10:26 AM

    5. Educators and Teaching

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      Latest: Why are students permitted to use calculators on AP math? symbolipoint, Mar 1, 2015 at 3:04 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: Do we have a complete knowledge of the spectrum of light? Jon Richfield, Mar 1, 2015 at 10:32 AM

    2. Classical Physics

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      Latest: Mythbusters: Blow your own sail paddywwoof, Mar 1, 2015 at 9:01 AM

    3. Quantum Physics

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      Latest: Hilbert space transformation under Poincaré translation ddd123, Mar 1, 2015 at 10:20 AM

    4. Special and General Relativity

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      Latest: Time travel into the future DaveC426913, Mar 1, 2015 at 10:33 AM

    5. Atomic, Solid State, Comp. Physics

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      Latest: Excited state line width and thermodynamics DrDu, Mar 1, 2015 at 10:16 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, Mar 1, 2015 at 9:34 AM

  3. Astronomy and Cosmology

    1. Astronomy and Astrophysics

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      Latest: Asteroid 99942 Apophis impacting the Earth in 2029 Jon Richfield, Mar 1, 2015 at 9:26 AM

    2. Cosmology

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      Latest: Extremely large Black Hole discovered 900M years after BB Tanelorn, Mar 1, 2015 at 9:16 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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      Latest: Find the pattern: 12, 44, 130, 342, 840 ... Laszlogm, Mar 1, 2015 at 10:11 AM

    2. Calculus

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      Latest: Really hard integrals? dextercioby, Mar 1, 2015 at 7:07 AM

    3. Differential Equations

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      Latest: Can't understand solution by substitution, any help? MarcL, Mar 1, 2015 at 10:23 AM

    4. Topology and Analysis

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      Latest: Clarification about Poincaré's conjecture mathwonk, Mar 1, 2015 at 10:18 AM

    5. Linear and Abstract Algebra

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      Latest: double dot product HallsofIvy, Mar 1, 2015 at 9:45 AM

    6. Differential Geometry

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      Latest: Attempting to understand diffeomorphisms spacejunkie, Mar 1, 2015 at 7:47 AM

    7. Set Theory, Logic, Probability, Statistics

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      Latest: confusion over definition of relations in set theory HallsofIvy, Mar 1, 2015 at 9:34 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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      Latest: Why buy new model rocket engines? jim hardy, Mar 1, 2015 at 9:09 AM

    2. Engineering Systems and Design

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      Latest: "Members of a frame are axially inextensible" implication? Ashu2912, Mar 1, 2015 at 9:39 AM

    3. Mechanical Engineering

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      Mechanical Engineering

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      1. Aerospace Engineering

      2. Automotive Engineering

      Latest: Scissors lift design king_me, Mar 1, 2015 at 10:28 AM

    4. Electrical Engineering

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      Latest: What happens if "hot" wire touches earth ground? jim hardy, Mar 1, 2015 at 9:56 AM

    5. Materials and Chemical Engineering

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      Latest: Delta(U) = Cvdelta(T) for Ideal Gases??? Chestermiller, Feb 28, 2015 at 9:42 PM

    6. Nuclear Engineering

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      Latest: The Nuclear Power Thread DaleSpam, Mar 1, 2015 at 9:35 AM

  6. Other Sciences

    1. Chemistry

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      Latest: Propagation of error: exponents DrDu, Mar 1, 2015 at 10:20 AM

    2. Biology

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      Latest: What might cell membranes look like on Titan? Greg Bernhardt, Mar 1, 2015 at 9:50 AM

    3. Medical Sciences

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      Latest: Can pull up exercise increase height? jobyts, Feb 28, 2015 at 11:37 PM

    4. Programming and Computer Science

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      Latest: matlab intro cenicitas, Mar 1, 2015 at 9:40 AM

    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? 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

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      Latest: Science/academic radio channel ? Mishra, Mar 1, 2015 at 10:21 AM

    2. Science Fiction and Fantasy

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      Science Fiction and Fantasy

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      1. Science Fiction Writing

      Latest: Energy shields Khatti, Mar 1, 2015 at 8:00 AM

    3. Feedback and Announcements

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      Feedback and Announcements

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      1. PF Member Awards 2014

      Latest: Chat Groups? Greg Bernhardt, Mar 1, 2015 at 9:40 AM

    4. New Member Introductions

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      Latest: Introduction of new member NascentOxygen, Mar 1, 2015 at 8:43 AM