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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: Projectile (Which Statements are true?) mrnike992, Mar 2, 2015 at 10:54 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: How To Fix My Weak Physics Foundations? EnlightenedOne, Mar 2, 2015 at 10:42 PM

    4. Career Guidance

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      Latest: I'm not sure I want to go into the field I'm going into JakeBrodskyPE, Mar 2, 2015 at 10:06 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: Ideal gas law combined with vapor pressure Chestermiller, Mar 2, 2015 at 9:58 PM

    2. Classical Physics

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      Latest: System travel upto 180 degree physicsodyssey, Mar 2, 2015 at 10:14 PM

    3. Quantum Physics

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      Latest: classical states and decoherence lucas_, Mar 2, 2015 at 10:49 PM

    4. Special and General Relativity

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      Latest: What is really one frame of reference? PeterDonis, Mar 2, 2015 at 10:39 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: Questions on electroweak symmetry breaking karlzr, Mar 2, 2015 at 7:57 PM

    7. Beyond the Standard Model

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      Latest: Ali and Das, "Cosmology from quantum potential" write4u, Mar 2, 2015 at 9:52 PM

  3. Astronomy and Cosmology

    1. Astronomy and Astrophysics

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      Latest: Ceres at 1 lightsecond, 36% size of full moon OmCheeto, Mar 2, 2015 at 8:52 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: Here's some astrophotos I've taken lately scott mcleod jr, Mar 2, 2015 at 9:48 PM

  4. Mathematics

    1. General Math

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      Latest: How would you do this equation on paper 1/2 x 26 x 10 jedishrfu, Mar 2, 2015 at 10:48 PM

    2. Calculus

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      Latest: How do we define "linear" for single and multivariable? Simon Bridge, Mar 2, 2015 at 6:56 PM

    3. Differential Equations

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      Latest: system of diff eqs modeling tanks of brine Chestermiller, Mar 2, 2015 at 9:49 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: Constructing a field of 4 elements mathwonk, Mar 2, 2015 at 9:33 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: Need help with soave-redlich-kwong equation. Chestermiller, Mar 2, 2015 at 10:28 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

      Sub-Forums

      1. Aerospace Engineering

      2. Automotive Engineering

      Latest: Finding resulting pressure in a pipe when water is heated Chestermiller, Mar 2, 2015 at 10:35 PM

    4. Electrical Engineering

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      Latest: Replacing a capacitor in my DVD player davenn, Mar 2, 2015 at 8:29 PM

    5. Materials and Chemical Engineering

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      Latest: Calculating mixture residual/departure enthalpy from EOS Chestermiller, Mar 2, 2015 at 10:39 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: Conflicting descriptions of Alka-Seltzer reaction? david lewine, Mar 2, 2015 at 7:48 PM

    2. Biology

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      Latest: What might cell membranes look like on Titan? Andy Resnick, Mar 2, 2015 at 9:22 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: What is the best way to build a physics simulation Fooality, Mar 2, 2015 at 7:43 PM

    5. Earth

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      Latest: Impact: Earth! A meteor/comet impact simulator OmCheeto, Mar 2, 2015 at 8:11 PM

    6. Computing and Technology

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      Computing and Technology

      Sub-Forums

      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

      3. Photography

      4. Fun, Photos and Games

      5. Relationships

      6. Social Sciences

      Latest: 'Star Trek' icon Leonard Nimoy dies at age 83 Astronuc, Mar 2, 2015 at 9:59 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: Stickyness of drop down menus Bystander, Mar 2, 2015 at 9:39 PM

    4. New Member Introductions

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      Latest: Greetings humans Oles, Mar 2, 2015 at 9:51 PM