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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: Given Moment about a Pin and a Roller hdp12, Mar 2, 2015 at 6:37 PM

    2. Science and Math Textbooks

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      Latest: Re-learning Calculus 1 mrg, Mar 2, 2015 at 4:34 PM

    3. Academic Guidance

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      Latest: Transferring to 4-year from CC, want to change major... ellipsis, Mar 2, 2015 at 6:25 PM

    4. Career Guidance

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      Latest: Concerned about ability to succeed in job/grad school Choppy, Mar 2, 2015 at 1:23 PM

    5. Educators and Teaching

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      Latest: New to AP teaching - AP Physics 1 test help Redbelly98, Mar 1, 2015 at 12:00 PM

    6. STEM Learning Materials

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      Latest: Material that'll help improve write-ups for lab experiments? Vagn, Mar 1, 2015 at 3:36 PM

  2. Physics

    1. General Physics

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      Latest: Units of viscosity richard9678, Mar 2, 2015 at 6:26 PM

    2. Classical Physics

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      Latest: Lagrangian density of Newtonian gravity Fede Lopez Ar, Mar 2, 2015 at 4:42 PM

    3. Quantum Physics

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      Latest: Double slit and the observer Simon Bridge, Mar 2, 2015 at 6:07 PM

    4. Special and General Relativity

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      Latest: What is really one frame of reference? thankz, Mar 2, 2015 at 6:32 PM

    5. Atomic, Solid State, Comp. Physics

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      Latest: Differences between Boltzmann and Fermi-Dirac distributions DrClaude, Mar 2, 2015 at 3:00 PM

    6. High Energy, Nuclear, Particle Physics

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      Latest: differential cross-section for partonic collisions WarDieS, Mar 2, 2015 at 5:25 PM

    7. Beyond the Standard Model

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      Latest: Hubble Constant and Entropy wabbit, Mar 2, 2015 at 1:36 PM

  3. Astronomy and Cosmology

    1. Astronomy and Astrophysics

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      Latest: If You Could Tour The Solar System At The Speed Of Light! Chalnoth, Mar 2, 2015 at 5:27 PM

    2. Cosmology

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      Latest: Extremely large Black Hole discovered 900M years after BB Garth, Mar 2, 2015 at 5:51 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: Getting worse at mental arithmetic FuturePhysicist, Mar 2, 2015 at 5:52 PM

    2. Calculus

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      Latest: How do we define "linear" for single and multivariable? mathwonk, Mar 2, 2015 at 6:38 PM

    3. Differential Equations

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      Latest: system of diff eqs modeling tanks of brine Chestermiller, Mar 2, 2015 at 5:47 PM

    4. Topology and Analysis

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      Latest: Measurability of a function with finite codomain mathman, Mar 2, 2015 at 4:26 PM

    5. Linear and Abstract Algebra

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      Latest: P-adic norm, valuation, and expansion Greg Bernhardt, Mar 2, 2015 at 6:00 PM

    6. Differential Geometry

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      Latest: Attempting to understand diffeomorphisms "Don't panic!", Mar 1, 2015 at 11:31 AM

    7. Set Theory, Logic, Probability, Statistics

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      Latest: Macro-states and dice DrClaude, Mar 2, 2015 at 3:04 PM

    8. Math Software and LaTeX

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      Latest: Looking for calculus program to find volume abcdef, Mar 2, 2015 at 1:38 PM

  5. Engineering

    1. General Engineering

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      Latest: Energy project for Universities implementation MxwllsPersuasns, Mar 2, 2015 at 6:39 PM

    2. Engineering Systems and Design

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      Latest: Control design for PWM converter Hubert Tchio, Mar 2, 2015 at 2:34 PM

    3. Mechanical Engineering

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      Mechanical Engineering

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      1. Aerospace Engineering

      2. Automotive Engineering

      Latest: Jet engine position SteamKing, Mar 2, 2015 at 6:38 PM

    4. Electrical Engineering

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      Latest: Floating Earth Faults jim hardy, Mar 2, 2015 at 6:37 PM

    5. Materials and Chemical Engineering

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      Latest: Would a silver suite be a better body temperature decreaser Simon Bridge, Mar 2, 2015 at 5:50 PM

    6. Nuclear Engineering

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      Latest: An idea for a Pu-238 replacement for NASA space missions Hologram0110, Mar 2, 2015 at 1:31 PM

  6. Other Sciences

    1. Chemistry

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      Latest: where do you buy your chemicals from? SteamKing, Mar 2, 2015 at 4:21 PM

    2. Biology

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      Latest: What might cell membranes look like on Titan? Andy Resnick, Mar 2, 2015 at 5:29 PM

    3. Medical Sciences

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      Latest: Is there a way to measure light frequencies of brainwaves Blackberg, Mar 2, 2015 at 5:47 PM

    4. Programming and Computer Science

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      Latest: Programming Question (Python) - Boolean Binary Search Fooality, Mar 2, 2015 at 6:35 PM

    5. Earth

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      Latest: Impact: Earth! A meteor/comet impact simulator zoki85, Mar 2, 2015 at 5:14 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, Mar 2, 2015 at 10:56 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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      4. Fun, Photos and Games

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      6. Social Sciences

      Latest: Random Thoughts part 4 zoobyshoe, Mar 2, 2015 at 6:19 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, Mar 2, 2015 at 5:40 PM

    3. Feedback and Announcements

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      Feedback and Announcements

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      1. PF Member Awards 2014

      Latest: Email Notifications? Meesh, Mar 2, 2015 at 3:26 PM

    4. New Member Introductions

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      Latest: Hello, PF! Greg Bernhardt, Mar 2, 2015 at 4:55 PM