Physics Forums - The Fusion of Science and Community

    1. Science and Math Textbooks

      Discussions:
      4,282
      Messages:
      24,510
    2. Academic Guidance

      Discussions:
      21,722
      Messages:
      178,183
    3. Career Guidance

      Discussions:
      5,177
      Messages:
      41,312
    4. Educators and Teaching

      Discussions:
      328
      Messages:
      4,120
      Latest: Becoming a Physics Teacher vanhees71, May 30, 2015 at 11:43 AM
    5. STEM Learning Materials

      Discussions:
      639
      Messages:
      3,838
      Latest: Walter Lewin course materials TheOneABD, May 30, 2015 at 10:20 AM
    1. General Physics

      Discussions:
      37,839
      Messages:
      303,061
      Latest: A question about E=mc^2 Deepak K Kapur, May 30, 2015 at 1:23 PM
    2. Classical Physics

      Discussions:
      21,129
      Messages:
      151,515
      Latest: Weight and accelaration Isaac0427, May 30, 2015 at 12:58 PM
    3. Quantum Physics

      Discussions:
      18,222
      Messages:
      181,817
      Latest: Mass of the photon??? ande4jo, May 30, 2015 at 1:35 PM
    4. Special and General Relativity

      Discussions:
      15,012
      Messages:
      219,599
      Latest: How is GR not proven? Finn, May 30, 2015 at 1:19 PM
    5. Atomic, Solid State, Comp. Physics

      Discussions:
      5,120
      Messages:
      24,658
    6. High Energy, Nuclear, Particle Physics

      Discussions:
      6,024
      Messages:
      43,122
      Latest: Direct product of two representations Safinaz, May 30, 2015 at 1:05 PM
    7. Beyond the Standard Model

      Discussions:
      4,727
      Messages:
      58,229
    1. Astronomy and Astrophysics

      Discussions:
      9,948
      Messages:
      89,447
      Latest: ELP82b / Lunar tables doubt... cptolemy, May 30, 2015 at 12:38 PM
    2. Cosmology

      Discussions:
      5,054
      Messages:
      65,796
      Latest: Direct collapse black holes stedwards, May 30, 2015 at 12:10 PM
    3. Stargazing and Telescopes

      Discussions:
      453
      Messages:
      4,563
      Latest: I just saw a fireball and nobody cares davenn, May 28, 2015 at 11:07 PM
    1. General Math

      Discussions:
      15,845
      Messages:
      113,947
      Latest: Simple inequality Mark44, May 30, 2015 at 12:44 PM
    2. Calculus

      Discussions:
      13,041
      Messages:
      75,332
    3. Differential Equations

      Discussions:
      4,716
      Messages:
      21,347
    4. Topology and Analysis

      Discussions:
      1,070
      Messages:
      6,767
      Latest: Uniform continuity statement WWGD, May 30, 2015 at 11:01 AM
    5. Linear and Abstract Algebra

      Discussions:
      8,669
      Messages:
      53,621
      Latest: Linear Algebra; Transformation of cross product Myr73, May 30, 2015 at 12:58 PM
    6. Differential Geometry

      Discussions:
      3,489
      Messages:
      21,476
      Latest: Manifold v. submanifold mathwonk, May 30, 2015 at 10:35 AM
    7. Set Theory, Logic, Probability, Statistics

      Discussions:
      6,992
      Messages:
      39,308
      Latest: (a C b) and (b C a) implies a=b? David Carroll, May 30, 2015 at 11:38 AM
    8. Math Software and LaTeX

      Discussions:
      4,720
      Messages:
      19,786
      Latest: [Matlab] Simulation of Stochastic Process bigfooted, May 28, 2015 at 1:23 PM
    1. General Engineering

      Discussions:
      5,283
      Messages:
      36,586
      Latest: Heat transfer through ceiling Ziga Casar, May 30, 2015 at 10:18 AM
    2. Engineering Systems and Design

      Discussions:
      1,938
      Messages:
      12,100
      Latest: Difference in oils? Baluncore, May 28, 2015 at 4:15 PM
    3. Mechanical Engineering

      Discussions:
      10,712
      Messages:
      67,573
      Latest: Horsepower and torque question cjl, May 30, 2015 at 12:17 PM
    4. Electrical Engineering

      Discussions:
      16,315
      Messages:
      114,736
      Latest: How is the US power grid kept in phase? jim hardy, May 30, 2015 at 1:22 PM
    5. Materials and Chemical Engineering

      Discussions:
      2,633
      Messages:
      10,532
      Latest: Transport phenomena. Direction of shear stress MexChemE, May 29, 2015 at 10:53 PM
    6. Nuclear Engineering

      Discussions:
      1,575
      Messages:
      34,773
      Latest: Nuclear energy in USA: why only 19% russ_watters, May 30, 2015 at 12:49 AM
    1. Chemistry

      Discussions:
      7,248
      Messages:
      38,409
      Latest: Mole concept Molar mass and mass no Brajesh kedia, May 30, 2015 at 12:21 PM
    2. Biology

      Discussions:
      5,832
      Messages:
      47,659
    3. Medical Sciences

      Discussions:
      2,208
      Messages:
      22,497
      Latest: Why do we enjoy listening to music? Evo, May 27, 2015 at 6:47 PM
    4. Programming and Computer Science

      Discussions:
      4,726
      Messages:
      29,576
      Latest: Code Readability for "Higher" Level Languages nsaspook, May 30, 2015 at 1:31 PM
    5. Earth

      Discussions:
      1,769
      Messages:
      20,611
      Latest: M 8.5 quake S of Japan coming in now Astronuc, May 30, 2015 at 8:45 AM
    6. Computing and Technology

      Discussions:
      6,042
      Messages:
      43,976
    1. General Discussion

      Discussions:
      38,795
      Messages:
      985,496
      Latest: Congrats, OmCheeto! nsaspook, May 30, 2015 at 1:37 PM
    2. Science Fiction and Fantasy

      Discussions:
      652
      Messages:
      11,453
      Latest: Time travel paradox chasrob, May 30, 2015 at 11:36 AM
    3. Feedback and Announcements

      Discussions:
      3,796
      Messages:
      43,805
      Latest: Browse unanswered threads is back! mfb, May 30, 2015 at 11:02 AM
    4. New Member Introductions

      Discussions:
      1,849
      Messages:
      5,600
      Latest: Hello physicist !! Tanny 24/7, May 30, 2015 at 12:09 PM