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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: real analysis, sequence of sequences convergence proof Perelman, Mar 1, 2015 at 9:18 AM

    2. Science and Math Textbooks

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      Latest: The Best Textbook for a Good Understanding of Mathematics CRNS, Mar 1, 2015 at 7:34 AM

    3. Academic Guidance

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      Latest: 5 graduate courses -smart? (math) Hercuflea, Mar 1, 2015 at 8:33 AM

    4. Career Guidance

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      Latest: Is a bachelor in Physics a good idea for Engineering? Fred Young, Mar 1, 2015 at 9:08 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: Does standing tiptoes reduce the absortion of virabtions? paget, Mar 1, 2015 at 9:13 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: Measuring a qubit jimmycricket, Mar 1, 2015 at 9:06 AM

    4. Special and General Relativity

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      Latest: Time travel into the future Rene Manzano, Mar 1, 2015 at 8:56 AM

    5. Atomic, Solid State, Comp. Physics

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      Latest: Reciprocal lattice vector Nikitin, Mar 1, 2015 at 7:02 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 Jimster41, Mar 1, 2015 at 8:10 AM

  3. Astronomy and Cosmology

    1. Astronomy and Astrophysics

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      Latest: Asteroid 99942 Apophis impacting the Earth in 2029 John Kierein, Mar 1, 2015 at 8:52 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: Function and function Mark44, Mar 1, 2015 at 1:31 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: system of diff eqs modeling tanks of brine Chestermiller, Mar 1, 2015 at 8:30 AM

    4. Topology and Analysis

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      Latest: Clarification about Poincaré's conjecture jk22, Mar 1, 2015 at 8:26 AM

    5. Linear and Abstract Algebra

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      Latest: double dot product matteo137, Mar 1, 2015 at 7:54 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: Drawing three cards - combined probability mathman, Feb 28, 2015 at 4:16 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: 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: Reaction forces not matching with Test results Bruce321, Feb 28, 2015 at 6:16 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 Tatersoup, Mar 1, 2015 at 8:59 AM

    4. Electrical Engineering

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      Latest: 12V Wind Turbine - Voltage question Rive, Mar 1, 2015 at 8:23 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 nikkkom, Mar 1, 2015 at 9:16 AM

  6. Other Sciences

    1. Chemistry

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      Latest: What is the meaning of the term "Interlocking of crystals "? Borek, Mar 1, 2015 at 9:13 AM

    2. Biology

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      Latest: What might cell membranes look like on Titan? jerromyjon, Mar 1, 2015 at 8:46 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 summation of a complex function DrClaude, Mar 1, 2015 at 9:17 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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      6. Social Sciences

      Latest: The standard of living is going down for the average American Vanadium 50, Mar 1, 2015 at 9:16 AM

    2. Science Fiction and Fantasy

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      Science Fiction and Fantasy

      Sub-Forums

      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: Scribble pad along with normal posting Meesh, Mar 1, 2015 at 8:55 AM

    4. New Member Introductions

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