Login or Sign up!

Physics Forums - The Fusion of Science and Community

  1. Science Education

    1. Homework and Coursework Questions

      Discussions:
      238,900
      Messages:
      1,276,185

      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: simple Fourier transform problem Svein, Mar 2, 2015 at 1:05 PM

    2. Science and Math Textbooks

      Discussions:
      4,138
      Messages:
      23,652
      Latest: Can't remember where I read this! Shyan, Mar 2, 2015 at 12:44 PM

    3. Academic Guidance

      Discussions:
      21,261
      Messages:
      174,829
      Latest: What prerequisites should i study? ZapperZ, Mar 2, 2015 at 11:30 AM

    4. Career Guidance

      Discussions:
      4,999
      Messages:
      39,910
      Latest: Concerned about ability to succeed in job/grad school DEvens, Mar 2, 2015 at 1:00 PM

    5. Educators and Teaching

      Discussions:
      300
      Messages:
      3,736
      Latest: New to AP teaching - AP Physics 1 test help Redbelly98, Mar 1, 2015 at 12:00 PM

    6. STEM Learning Materials

      Discussions:
      618
      Messages:
      3,719
      Latest: Material that'll help improve write-ups for lab experiments? Vagn, Mar 1, 2015 at 3:36 PM

  2. Physics

    1. General Physics

      Discussions:
      36,766
      Messages:
      294,693
      Latest: How to Model a Tennis serve? mfb, Mar 2, 2015 at 12:50 PM

    2. Classical Physics

      Discussions:
      20,735
      Messages:
      148,554
      Latest: Heating a metallic rod from one end by continuous heat flux Adel Makram, Mar 2, 2015 at 1:01 PM

    3. Quantum Physics

      Discussions:
      17,769
      Messages:
      176,342
      Latest: Wave Function: Real vs Imaginary Part VAS, Mar 2, 2015 at 1:05 PM

    4. Special and General Relativity

      Discussions:
      14,651
      Messages:
      214,183
      Latest: Moving Frame With Many Clocks Pass By Ibix, Mar 2, 2015 at 12:58 PM

    5. Atomic, Solid State, Comp. Physics

      Discussions:
      4,976
      Messages:
      23,969
      Latest: Reciprocal lattice vector Nikitin, Mar 2, 2015 at 12:25 PM

    6. High Energy, Nuclear, Particle Physics

      Discussions:
      5,812
      Messages:
      41,467
      Latest: differential cross-section for partonic collisions Vanadium 50, Mar 2, 2015 at 8:55 AM

    7. Beyond the Standard Model

      Discussions:
      4,659
      Messages:
      57,463
      Latest: Hubble Constant and Entropy wabbit, Mar 2, 2015 at 12:48 PM

  3. Astronomy and Cosmology

    1. Astronomy and Astrophysics

      Discussions:
      9,756
      Messages:
      87,007
      Latest: Ceres at 1 lightsecond, 36% size of full moon OmCheeto, Mar 2, 2015 at 12:57 PM

    2. Cosmology

      Discussions:
      4,873
      Messages:
      62,940
      Latest: Extremely large Black Hole discovered 900M years after BB Garth, Mar 2, 2015 at 7:41 AM

    3. Stargazing and Telescopes

      Discussions:
      423
      Messages:
      4,304
      Latest: Planning to buy a first telescope? jim hardy, Feb 27, 2015 at 12:44 PM

  4. Mathematics

    1. General Math

      Discussions:
      15,560
      Messages:
      111,898
      Latest: Why does Carmichael's function mean what it does? mfb, Mar 2, 2015 at 9:56 AM

    2. Calculus

      Discussions:
      12,893
      Messages:
      74,241
      Latest: Substitution in integral sk1105, Mar 2, 2015 at 1:05 PM

    3. Differential Equations

      Discussions:
      4,655
      Messages:
      20,977
      Latest: Understanding coupled Runga Kutta derivation DrClaude, Mar 2, 2015 at 2:57 AM

    4. Topology and Analysis

      Discussions:
      1,031
      Messages:
      6,501
      Latest: Measurability of a function with finite codomain lavinia, Mar 2, 2015 at 12:26 PM

    5. Linear and Abstract Algebra

      Discussions:
      8,594
      Messages:
      53,169
      Latest: su(2), so(3) and their representations mathwonk, Mar 2, 2015 at 11:54 AM

    6. Differential Geometry

      Discussions:
      3,449
      Messages:
      21,122
      Latest: Attempting to understand diffeomorphisms "Don't panic!", Mar 1, 2015 at 11:31 AM

    7. Set Theory, Logic, Probability, Statistics

      Discussions:
      6,912
      Messages:
      38,797
      Latest: Drawing three cards - combined probability Lenus, Mar 1, 2015 at 11:30 PM

    8. Math Software and LaTeX

      Discussions:
      4,654
      Messages:
      19,475
      Latest: Maple 18 Personal Edition Ender0183, Mar 2, 2015 at 11:46 AM

  5. Engineering

    1. General Engineering

      Discussions:
      5,147
      Messages:
      35,539
      Latest: water loss calculation billy_joule, Mar 2, 2015 at 12:40 PM

    2. Engineering Systems and Design

      Discussions:
      1,885
      Messages:
      11,693
      Latest: Control design for PWM converter Baluncore, Mar 2, 2015 at 8:47 AM

    3. Mechanical Engineering

      Discussions:
      10,393
      Messages:
      65,555

      Mechanical Engineering

      Sub-Forums

      1. Aerospace Engineering

      2. Automotive Engineering

      Latest: Gravity Energy Machine timthereaper, Mar 2, 2015 at 12:34 PM

    4. Electrical Engineering

      Discussions:
      15,915
      Messages:
      111,021
      Latest: 12V Wind Turbine - Voltage question Rive, Mar 2, 2015 at 12:49 PM

    5. Materials and Chemical Engineering

      Discussions:
      2,571
      Messages:
      10,227
      Latest: Density of holes in valence band mfb, Mar 2, 2015 at 12:58 PM

    6. Nuclear Engineering

      Discussions:
      1,547
      Messages:
      34,425
      Latest: An idea for a Pu-238 replacement for NASA space missions Evanish, Mar 2, 2015 at 12:34 PM

  6. Other Sciences

    1. Chemistry

      Discussions:
      7,103
      Messages:
      37,393
      Latest: Molasses vs. Rust thankz, Mar 2, 2015 at 12:52 PM

    2. Biology

      Discussions:
      5,746
      Messages:
      46,847
      Latest: What might cell membranes look like on Titan? jim mcnamara, Mar 2, 2015 at 12:05 PM

    3. Medical Sciences

      Discussions:
      2,171
      Messages:
      22,205
      Latest: Is there a way to measure light frequencies of brainwaves phinds, Mar 2, 2015 at 12:06 PM

    4. Programming and Computer Science

      Discussions:
      4,599
      Messages:
      28,496
      Latest: Beginner learning programming Linkgogo, Mar 2, 2015 at 11:39 AM

    5. Earth

      Discussions:
      1,741
      Messages:
      20,349
      Latest: Impact: Earth! A meteor/comet impact simulator OmCheeto, Mar 2, 2015 at 12:44 AM

    6. Computing and Technology

      Discussions:
      5,984
      Messages:
      43,418

      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

      Discussions:
      38,532
      Messages:
      980,515

      General Discussion

      Sub-Forums

      1. Current Events

      2. History and Humanities

      3. Photography

      4. Fun, Photos and Games

      5. Relationships

      6. Social Sciences

      Latest: Russian opposition leader ,a putin critic shot dead russ_watters, Mar 2, 2015 at 1:05 PM

    2. Science Fiction and Fantasy

      Discussions:
      620
      Messages:
      10,816

      Science Fiction and Fantasy

      Sub-Forums

      1. Science Fiction Writing

      Latest: Can basic quantum physics explain the TARDIS from doctor who Ryan_m_b, Mar 2, 2015 at 6:19 AM

    3. Feedback and Announcements

      Discussions:
      3,726
      Messages:
      42,868

      Feedback and Announcements

      Sub-Forums

      1. PF Member Awards 2014

      Latest: Download the free PF App for iPhone/Android phones! Greg Bernhardt, Mar 2, 2015 at 11:06 AM

    4. New Member Introductions

      Discussions:
      1,275
      Messages:
      4,144
      Latest: Hello everyone! Greg Bernhardt, Mar 2, 2015 at 10:11 AM