Physics Forums - The Fusion of Science and Community

    1. Science and Math Textbooks

      Discussions:
      4,444
      Messages:
      25,729
      Latest: Books on inorganic chemistry Titan97, Aug 29, 2015 at 10:31 AM
    2. Academic Guidance

      Discussions:
      22,066
      Messages:
      181,608
      Latest: What to study after Quantum Mechanics? artfullounger, Aug 29, 2015 at 10:40 AM
    3. Career Guidance

      Discussions:
      5,194
      Messages:
      42,453
    4. Educators and Teaching

      Discussions:
      358
      Messages:
      4,514
      Latest: weird question: is this plagiarism? mathwonk, Aug 27, 2015 at 8:15 PM
    5. Resources and FAQs

      Discussions:
      253
      Messages:
      307
    1. General Physics

      Discussions:
      38,817
      Messages:
      313,014
      Latest: Kinetic Energy for an angle Doc Al, Aug 29, 2015 at 11:57 AM
    2. Classical Physics

      Discussions:
      21,470
      Messages:
      154,794
    3. Quantum Physics

      Discussions:
      18,649
      Messages:
      187,595
      Latest: The operator X for the position in QFT samalkhaiat, Aug 29, 2015 at 11:42 AM
    4. Special and General Relativity

      Discussions:
      15,213
      Messages:
      224,823
      Latest: Surpassing the speed of light? Why not? mfb, Aug 29, 2015 at 11:12 AM
    5. High Energy, Nuclear, Particle Physics

      Discussions:
      6,202
      Messages:
      44,699
      Latest: ##\tau \rightarrow e## misidentified as ##\tau_h## mfb, Aug 29, 2015 at 11:30 AM
    6. Beyond the Standard Model

      Discussions:
      4,764
      Messages:
      59,039
    1. Astronomy and Astrophysics

      Discussions:
      10,078
      Messages:
      91,060
      Latest: Elliptical Orbit iLe0, Aug 29, 2015 at 9:26 AM
    2. Cosmology

      Discussions:
      5,214
      Messages:
      68,300
      Latest: Planck length and expansion marcus, Aug 29, 2015 at 11:58 AM
    3. Stargazing and Telescopes

      Discussions:
      469
      Messages:
      4,730
      Latest: Got my first telescope! davenn, Aug 28, 2015 at 7:11 PM
    1. General Math

      Discussions:
      16,278
      Messages:
      118,334
      Latest: What is a frequency domain and s domain? KittuTarun, Aug 29, 2015 at 10:01 AM
    2. Calculus

      Discussions:
      13,186
      Messages:
      76,278
      Latest: Dirac Delta Comb confusions BvU, Aug 29, 2015 at 6:00 AM
    3. Differential Equations

      Discussions:
      4,765
      Messages:
      21,661
    4. Topology and Analysis

      Discussions:
      1,115
      Messages:
      7,106
      Latest: Better definition for complex number HallsofIvy, Aug 26, 2015 at 6:58 PM
    5. Linear and Abstract Algebra

      Discussions:
      8,728
      Messages:
      53,958
      Latest: System of 5 equations Simon Bridge, Aug 29, 2015 at 12:24 AM
    6. Differential Geometry

      Discussions:
      3,519
      Messages:
      21,743
    7. Set Theory, Logic, Probability, Statistics

      Discussions:
      7,063
      Messages:
      39,803
    8. Math Software and LaTeX

      Discussions:
      4,771
      Messages:
      20,115
      Latest: Function for curve fitting SataSata, Aug 29, 2015 at 10:31 AM
    1. General Engineering

      Discussions:
      5,344
      Messages:
      37,279
      Latest: Engineering resources SteamKing, Aug 28, 2015 at 6:37 PM
    2. Engineering Systems and Design

      Discussions:
      1,991
      Messages:
      12,415
    3. Mechanical Engineering

      Discussions:
      10,872
      Messages:
      68,976
    4. Electrical Engineering

      Discussions:
      16,590
      Messages:
      118,694
      Latest: Amplifiers, transistors and opamps LvW, Aug 29, 2015 at 11:43 AM
    5. Materials and Chemical Engineering

      Discussions:
      2,702
      Messages:
      10,870
      Latest: What is a Schottky barrier or contact? ryanuser, Aug 29, 2015 at 7:11 AM
    6. Nuclear Engineering

      Discussions:
      1,603
      Messages:
      35,144
    1. Chemistry

      Discussions:
      7,366
      Messages:
      39,268
    2. Biology

      Discussions:
      5,909
      Messages:
      48,325
      Latest: Iodine in pickles dirk_mec1, Aug 28, 2015 at 3:14 AM
    3. Medical Sciences

      Discussions:
      2,241
      Messages:
      22,792
      Latest: Medical physics Megan Collins, Aug 29, 2015 at 11:19 AM
    4. Programming and Computer Science

      Discussions:
      4,846
      Messages:
      30,841
      Latest: decoding an encoded php file? AliGh, Aug 29, 2015 at 11:44 AM
    5. Earth

      Discussions:
      1,803
      Messages:
      20,989
      Latest: Sun's heat on Earth in summer and winter russ_watters, Aug 29, 2015 at 8:05 AM
    6. Computing and Technology

      Discussions:
      6,085
      Messages:
      44,455
      Latest: How to Practice Unix? Can I make my own Server?? Jano L., Aug 29, 2015 at 11:36 AM
    1. Science Fiction and Fantasy

      Discussions:
      702
      Messages:
      12,494
      Latest: Life in the asteroid belt GTOM, Aug 29, 2015 at 2:31 AM
    2. Feedback and Announcements

      Discussions:
      3,857
      Messages:
      44,387
      Latest: Rearrange Headings for Unanswered Threads? mfb, Aug 29, 2015 at 11:00 AM
    3. New Member Introductions

      Discussions:
      2,535
      Messages:
      7,447
      Latest: Hello!!! This is Jennifer here... Greg Bernhardt, Aug 29, 2015 at 9:42 AM