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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: Rolling and collision haruspex, Mar 3, 2015 at 4:57 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: Powerlearning- 16 hours a day physicsodyssey, Mar 3, 2015 at 4:12 AM

    4. Career Guidance

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      Latest: As a High school senior, my knowledge of physics is limited PsychonautQQ, Mar 3, 2015 at 3:05 AM

    5. Educators and Teaching

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      Latest: Looking for feedback on physics animations Matt Whibley, Mar 3, 2015 at 5:06 AM

    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 5:17 AM

    2. Classical Physics

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      Latest: Mythbusters: Blow your own sail CWatters, Mar 3, 2015 at 4:45 AM

    3. Quantum Physics

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      Latest: What is the meaning of current in QM? bhobba, Mar 3, 2015 at 5:15 AM

    4. Special and General Relativity

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      Latest: Combining special relativity with newtonian gravity Vanadium 50, Mar 3, 2015 at 5:17 AM

    5. Atomic, Solid State, Comp. Physics

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      Latest: Determine Crystal structure of non-cubic crystal in XRD plot ralden, Mar 3, 2015 at 4:11 AM

    6. High Energy, Nuclear, Particle Physics

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      41,470
      Latest: Questions on electroweak symmetry breaking karlzr, Mar 2, 2015 at 7:57 PM

    7. Beyond the Standard Model

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      57,474
      Latest: Hubble Constant and Entropy wabbit, Mar 3, 2015 at 3:24 AM

  3. Astronomy and Cosmology

    1. Astronomy and Astrophysics

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      87,025
      Latest: Voyager Golden Records billy_joule, Mar 3, 2015 at 5:05 AM

    2. Cosmology

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      Latest: Required backround for quantum cosmology houhou.trad, Mar 3, 2015 at 4:53 AM

    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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      Messages:
      111,931
      Latest: Probability Question - Getting x heads from n coin tosses Mentallic, Mar 3, 2015 at 5:17 AM

    2. Calculus

      Discussions:
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      74,255
      Latest: Newton Leibnitz Formula for Evaluating Definite Integrals andyrk, Mar 3, 2015 at 5:02 AM

    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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      6,503
      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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      53,172
      Latest: 4th order tensor double product Bteranto, Mar 3, 2015 at 1:44 AM

    6. Differential Geometry

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      Messages:
      21,122
      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 matteo137, Mar 3, 2015 at 2:20 AM

  5. Engineering

    1. General Engineering

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      35,558
      Latest: Help with prototype dkMountainGoat, Mar 3, 2015 at 5:17 AM

    2. Engineering Systems and Design

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      11,697
      Latest: NTU Method RicardoGhent, Mar 3, 2015 at 5:03 AM

    3. Mechanical Engineering

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      10,397
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      Mechanical Engineering

      Sub-Forums

      1. Aerospace Engineering

      2. Automotive Engineering

      Latest: Jet engine position Bystander, Mar 3, 2015 at 4:02 AM

    4. Electrical Engineering

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      Latest: difference between emitter and collector? iScience, Mar 3, 2015 at 4:31 AM

    5. Materials and Chemical Engineering

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      10,232
      Latest: Making a Nylon - Fibre Composite raniero, Mar 3, 2015 at 12:30 AM

    6. Nuclear Engineering

      Discussions:
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      34,427
      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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      Messages:
      37,409
      Latest: Conflicting descriptions of Alka-Seltzer reaction? Borek, Mar 3, 2015 at 2:20 AM

    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 5:14 AM

    4. Programming and Computer Science

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      28,513
      Latest: What is the best way to build a physics simulation Fooality, Mar 2, 2015 at 7:43 PM

    5. Earth

      Discussions:
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      Messages:
      20,351
      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: Are eyebrows symmetrical ? Borek, Mar 3, 2015 at 5:09 AM

    2. Science Fiction and Fantasy

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      620
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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

      Discussions:
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      Messages:
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      Latest: Hello physics people Jack2, Mar 3, 2015 at 4:43 AM