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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: Strong Induction Proof with a Floor Temp0, Mar 3, 2015 at 1:18 AM

    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: Programming - where should I start? x86, Mar 3, 2015 at 1:18 AM

    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: HELP: Is it possible to make an electromagnet w 2 like ends? Drakkith, Mar 3, 2015 at 12:57 AM

    2. Classical Physics

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      Latest: Differential Equations in simple mechanics? brainpushups, Mar 2, 2015 at 11:22 PM

    3. Quantum Physics

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      Latest: Hilbert space transformation under Poincaré translation strangerep, Mar 3, 2015 at 12:33 AM

    4. Special and General Relativity

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      Latest: Gravity instantaneous? PeterDonis, Mar 3, 2015 at 12:35 AM

    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 3, 2015 at 12:28 AM

  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: Acceleration a Function of Density, yet Density is Constant? PeterDonis, Mar 2, 2015 at 11:47 PM

    3. Stargazing and Telescopes

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      423
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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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      Messages:
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      Latest: Solve trig multiply equation SteamKing, Mar 2, 2015 at 11:33 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: How to get specific frequency and time values for .wav file jojobirdie, Mar 3, 2015 at 12:21 AM

  5. Engineering

    1. General Engineering

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      Latest: how can I remove water from steam? jim hardy, Mar 2, 2015 at 11:50 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: Need help with more indepth beam theory? SteamKing, Mar 3, 2015 at 12:39 AM

    4. Electrical Engineering

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      Latest: Voice coil polarization Vengeance187, Mar 3, 2015 at 12:36 AM

    5. Materials and Chemical Engineering

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      Latest: Making a Nylon - Fibre Composite raniero, Mar 3, 2015 at 12:30 AM

    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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      37,408
      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 Drakkith, Mar 3, 2015 at 12:29 AM

    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: Sending information in space: an invitation to catastrophe? Soniteflash, Mar 2, 2015 at 11:04 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: Download the free PF App for iPhone/Android phones! AGNuke, Mar 3, 2015 at 12:33 AM

    4. New Member Introductions

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      Latest: Greetings humans jedishrfu, Mar 2, 2015 at 11:05 PM