Login or Sign up!

Physics Forums - The Fusion of Science and Community

  1. Science Education

    1. Homework and Coursework Questions

      Discussions:
      238,885
      Messages:
      1,276,095

      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: Klien-Gordon equation to solve 4-vector problem? (Particle) rwooduk, Mar 2, 2015 at 5:26 AM

    2. Science and Math Textbooks

      Discussions:
      4,137
      Messages:
      23,649
      Latest: The Best Textbook for a Good Understanding of Mathematics PeroK, Mar 2, 2015 at 5:09 AM

    3. Academic Guidance

      Discussions:
      21,259
      Messages:
      174,818
      Latest: What electives would be most beneficial? e.bar.goum, Mar 2, 2015 at 2:09 AM

    4. Career Guidance

      Discussions:
      4,999
      Messages:
      39,908
      Latest: Concerned about ability to succeed in job/grad school jedishrfu, Mar 2, 2015 at 12:32 AM

    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:
      36,762
      Messages:
      294,648
      Latest: Centripetal Acceleration. Pierce610, Mar 2, 2015 at 5:09 AM

    2. Classical Physics

      Discussions:
      20,733
      Messages:
      148,537
      Latest: spinning disk strobeda, Mar 2, 2015 at 3:21 AM

    3. Quantum Physics

      Discussions:
      17,766
      Messages:
      176,321
      Latest: classical states and decoherence atyy, Mar 2, 2015 at 5:24 AM

    4. Special and General Relativity

      Discussions:
      14,650
      Messages:
      214,167
      Latest: Quick calculation check please name123, Mar 2, 2015 at 4:15 AM

    5. Atomic, Solid State, Comp. Physics

      Discussions:
      4,976
      Messages:
      23,967
      Latest: Differences between Boltzmann and Fermi-Dirac distributions DrClaude, Mar 2, 2015 at 2:42 AM

    6. High Energy, Nuclear, Particle Physics

      Discussions:
      5,812
      Messages:
      41,463
      Latest: differential cross-section for partonic collisions Orodruin, Mar 2, 2015 at 1:26 AM

    7. Beyond the Standard Model

      Discussions:
      4,659
      Messages:
      57,454
      Latest: Hubble Constant and Entropy Jimster41, Mar 2, 2015 at 5:21 AM

  3. Astronomy and Cosmology

    1. Astronomy and Astrophysics

      Discussions:
      9,755
      Messages:
      86,990
      Latest: Horizontal Branch Star Drakkith, Mar 2, 2015 at 12:03 AM

    2. Cosmology

      Discussions:
      4,873
      Messages:
      62,939
      Latest: Extremely large Black Hole discovered 900M years after BB Jorrie, Mar 2, 2015 at 4:35 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:
      111,892
      Latest: Solve trig multiply equation WarDieS, Mar 2, 2015 at 5:26 AM

    2. Calculus

      Discussions:
      12,892
      Messages:
      74,222
      Latest: Fourier Animation DrClaude, Mar 2, 2015 at 4:25 AM

    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:
      1,030
      Messages:
      6,494
      Latest: Clarification about Poincaré's conjecture jk22, Mar 2, 2015 at 2:12 AM

    5. Linear and Abstract Algebra

      Discussions:
      8,594
      Messages:
      53,167
      Latest: Im(BF) in Im(B)? Payam30, Mar 2, 2015 at 4:35 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:
      4,653
      Messages:
      19,469
      Latest: matlab intro DrClaude, Mar 1, 2015 at 1:44 PM

  5. Engineering

    1. General Engineering

      Discussions:
      5,146
      Messages:
      35,534
      Latest: Why Aren't All Space Rockets More Efficient? AkiAkane1973, Mar 2, 2015 at 4:24 AM

    2. Engineering Systems and Design

      Discussions:
      1,885
      Messages:
      11,691
      Latest: "Members of a frame are axially inextensible" implication? Chestermiller, Mar 1, 2015 at 12:13 PM

    3. Mechanical Engineering

      Discussions:
      10,391
      Messages:
      65,544

      Mechanical Engineering

      Sub-Forums

      1. Aerospace Engineering

      2. Automotive Engineering

      Latest: Drawing and meshing involute bevel gears in CAD felmon38, Mar 2, 2015 at 4:33 AM

    4. Electrical Engineering

      Discussions:
      15,912
      Messages:
      110,994
      Latest: A couple inverting op-amp questions LvW, Mar 2, 2015 at 3:18 AM

    5. Materials and Chemical Engineering

      Discussions:
      2,570
      Messages:
      10,222
      Latest: how do you seperate iron from clay? thankz, Mar 2, 2015 at 4:02 AM

    6. Nuclear Engineering

      Discussions:
      1,547
      Messages:
      34,422
      Latest: MCNPX dose result is too small ; ( Kim Jae ryang, Mar 2, 2015 at 1:35 AM

  6. Other Sciences

    1. Chemistry

      Discussions:
      7,102
      Messages:
      37,384
      Latest: Molasses vs. Rust thankz, Mar 2, 2015 at 5:14 AM

    2. Biology

      Discussions:
      5,746
      Messages:
      46,845
      Latest: Neanderthal fossils... never frozen? Evo, Mar 1, 2015 at 10:34 PM

    3. Medical Sciences

      Discussions:
      2,170
      Messages:
      22,196
      Latest: Can pull up exercise increase height? jobyts, Feb 28, 2015 at 11:37 PM

    4. Programming and Computer Science

      Discussions:
      4,598
      Messages:
      28,489
      Latest: Rounding up Random Numbers Mark44, Mar 1, 2015 at 9:32 PM

    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:
      5,986
      Messages:
      43,420

      Computing and Technology

      Sub-Forums

      1. Calculators

      Latest: Digital pen guide Alicia Hurst, Mar 2, 2015 at 5:01 AM

  7. PF Lounge

    1. General Discussion

      Discussions:
      38,532
      Messages:
      980,485

      General Discussion

      Sub-Forums

      1. Current Events

      2. History and Humanities

      3. Photography

      4. Fun, Photos and Games

      5. Relationships

      6. Social Sciences

      Latest: Random Thoughts part 4 wukunlin, Mar 2, 2015 at 4:43 AM

    2. Science Fiction and Fantasy

      Discussions:
      620
      Messages:
      10,814

      Science Fiction and Fantasy

      Sub-Forums

      1. Science Fiction Writing

      Latest: And... who is your Swords+Sorcery or Fantasy character? Pythagorean, Mar 1, 2015 at 11:18 PM

    3. Feedback and Announcements

      Discussions:
      3,726
      Messages:
      42,862

      Feedback and Announcements

      Sub-Forums

      1. PF Member Awards 2014

      Latest: Walking on eggshells narrator, Mar 1, 2015 at 10:53 PM

    4. New Member Introductions

      Discussions:
      1,270
      Messages:
      4,133
      Latest: Hello ALL! Using Molasses to De-Rust the Masses! kokolyia, Mar 2, 2015 at 1:06 AM