Physics Forums - The Fusion of Science and Community

    1. Science and Math Textbooks

      Discussions:
      4,226
      Messages:
      24,200
      Latest: Conceptual Physics 9th Edition Paul Hewitt verty, Apr 26, 2015 at 3:28 PM
    2. Academic Guidance

      Discussions:
      21,551
      Messages:
      176,911
      Latest: Taking linear algebra after only Calculus 1 JesseJC, Apr 26, 2015 at 7:05 PM
    3. Career Guidance

      Discussions:
      5,104
      Messages:
      40,771
    4. Educators and Teaching

      Discussions:
      318
      Messages:
      3,936
      Latest: Experience with flipping your classroom StrangeCharm, Apr 25, 2015 at 2:49 PM
    5. STEM Learning Materials

      Discussions:
      624
      Messages:
      3,758
      Latest: Matlab for HS students? jedishrfu, Apr 24, 2015 at 3:29 PM
    1. General Physics

      Discussions:
      37,454
      Messages:
      300,018
      Latest: Gas electricity evan manalu, Apr 26, 2015 at 7:07 PM
    2. Classical Physics

      Discussions:
      20,997
      Messages:
      150,476
      Latest: What makes the change of sign in Hall? rogerk8, Apr 26, 2015 at 6:16 PM
    3. Quantum Physics

      Discussions:
      18,041
      Messages:
      179,862
      Latest: Many Worlds Interpretation Derek Potter, Apr 26, 2015 at 7:05 PM
    4. Special and General Relativity

      Discussions:
      14,877
      Messages:
      217,521
      Latest: Time dilation: speed relative to what? Ibix, Apr 26, 2015 at 4:00 PM
    5. Atomic, Solid State, Comp. Physics

      Discussions:
      5,068
      Messages:
      24,378
      Latest: Complex Geometric Theories and Molecules EuclidPhoton, Apr 26, 2015 at 5:52 PM
    6. High Energy, Nuclear, Particle Physics

      Discussions:
      5,938
      Messages:
      42,442
      Latest: Hubbard-Stratonovich transformation Greg Bernhardt, Apr 26, 2015 at 7:00 PM
    7. Beyond the Standard Model

      Discussions:
      4,698
      Messages:
      57,892
      Latest: Does h-bar change in gravitational waves? Vanadium 50, Apr 26, 2015 at 5:44 PM
    1. Astronomy and Astrophysics

      Discussions:
      9,879
      Messages:
      88,640
    2. Cosmology

      Discussions:
      4,989
      Messages:
      64,864
      Latest: Why are there heat engines? techmologist, Apr 26, 2015 at 7:01 PM
    3. Stargazing and Telescopes

      Discussions:
      446
      Messages:
      4,510
      Latest: Looking to buy a telescope Asap Drakkith, Apr 26, 2015 at 4:28 PM
    1. General Math

      Discussions:
      15,757
      Messages:
      113,155
      Latest: A pretty interesting counting problem PeroK, Apr 26, 2015 at 3:00 PM
    2. Calculus

      Discussions:
      12,984
      Messages:
      74,885
      Latest: Convergence or Divergence of Factorial Series mathman, Apr 26, 2015 at 2:48 PM
    3. Differential Equations

      Discussions:
      4,700
      Messages:
      21,257
      Latest: Navier-Stokes Blowout solution? Kodza, Apr 26, 2015 at 9:31 AM
    4. Topology and Analysis

      Discussions:
      1,059
      Messages:
      6,699
      Latest: Complex Analysis: Contour Integral nateHI, Apr 24, 2015 at 4:54 PM
    5. Linear and Abstract Algebra

      Discussions:
      8,635
      Messages:
      53,410
      Latest: Invertible Matrix Theorem henry3369, Apr 26, 2015 at 7:01 PM
    6. Differential Geometry

      Discussions:
      3,472
      Messages:
      21,367
      Latest: Noethers theorem, physics and mathematics JVM, Apr 22, 2015 at 9:20 AM
    7. Set Theory, Logic, Probability, Statistics

      Discussions:
      6,962
      Messages:
      39,112
      Latest: Derive mgf bivariate normal distribution Lewis7879, Apr 26, 2015 at 6:24 PM
    8. Math Software and LaTeX

      Discussions:
      4,702
      Messages:
      19,691
      Latest: Latex- how to do single quotes? Simon Bridge, Apr 24, 2015 at 7:31 PM
    1. General Engineering

      Discussions:
      5,232
      Messages:
      36,139
      Latest: Homemade battery packs 48volts jim hardy, Apr 26, 2015 at 6:59 PM
    2. Engineering Systems and Design

      Discussions:
      1,923
      Messages:
      11,987
      Latest: Modeling a Pulley Hellmut1956, Apr 25, 2015 at 7:25 PM
    3. Mechanical Engineering

      Discussions:
      10,601
      Messages:
      66,839
      Latest: Gearing a Clock Addohm, Apr 26, 2015 at 7:12 PM
    4. Electrical Engineering

      Discussions:
      16,183
      Messages:
      113,424
      Latest: IGBT Vge Greg Bernhardt, Apr 26, 2015 at 7:00 PM
    5. Materials and Chemical Engineering

      Discussions:
      2,604
      Messages:
      10,394
    6. Nuclear Engineering

      Discussions:
      1,565
      Messages:
      34,677
      Latest: Shippingport incore instrumentation Muti, Apr 25, 2015 at 6:53 AM
    1. Chemistry

      Discussions:
      7,198
      Messages:
      38,028
      Latest: Questions regarding Gibbs energy changes davidbenari, Apr 26, 2015 at 6:15 PM
    2. Biology

      Discussions:
      5,792
      Messages:
      47,319
    3. Medical Sciences

      Discussions:
      2,197
      Messages:
      22,416
      Latest: What makes effective UV - proof clothing? B0b-A, Apr 26, 2015 at 2:49 PM
    4. Programming and Computer Science

      Discussions:
      4,675
      Messages:
      29,107
      Latest: [FORTRAN] How did I screw up my code? jedishrfu, Apr 26, 2015 at 7:00 PM
    5. Earth

      Discussions:
      1,758
      Messages:
      20,516
      Latest: Calbuco volcano erupts in Chile davenn, Apr 26, 2015 at 4:48 PM
    6. Computing and Technology

      Discussions:
      6,024
      Messages:
      43,783
      Latest: Ti-nspire cx cas search function? jedishrfu, Apr 26, 2015 at 7:11 PM
    1. General Discussion

      Discussions:
      38,690
      Messages:
      983,353
      Latest: Nepal Earthquake - Impact SpanishOmelette, Apr 26, 2015 at 7:12 PM
    2. Science Fiction and Fantasy

      Discussions:
      638
      Messages:
      11,204
      Latest: Best planetary composition for flight Durakken, Apr 26, 2015 at 1:16 AM
    3. Feedback and Announcements

      Discussions:
      3,774
      Messages:
      43,577
      Latest: Coming Soon! PF Insights: The Official PF Blog Drakkith, Apr 26, 2015 at 2:02 AM
    4. New Member Introductions

      Discussions:
      1,630
      Messages:
      5,039
      Latest: Hello lll DanHoro, Apr 26, 2015 at 2:18 PM