1. Homework Help

   1. Introductory Physics Homework

      Relevant equations for an airplane landing

   2. Advanced Physics Homework

      Path of a deflected charge? Solvable ODE's?

   3. Precalculus Mathematics Homework

      Need help simplifying a summation with binomials

   4. Calculus and Beyond Homework

      Stuck with an Integer Programming problem

   5. Biology, Chemistry and Earth Homework

      Confused about the volume of a rigid (glass) container

   6. Engineering and Computer Science Homework

      The rate of thermal energy transfer

2. Science Education and Careers

   1. Science and Math Textbooks

      A book for a fast introduction to modern math?

   2. Academic Guidance

      The science in my email to a prof

   3. Educators and Teaching

      Measuring Air Drag Accurately

   4. Career Guidance

      How to recommend a research mentor for a faculty position?

3. Physics

   1. General Physics

      Temperature profiles and thermal resistance

   2. Classical Physics

      Confusion regarding the coefficient of restitution

   3. Quantum Physics

      Quantum Tunneling Electrons

   4. Special and General Relativity

      Conservation of energy in GR

   5. Atomic and Condensed Matter

      Why is the 'work function' called a function?

   6. High Energy, Nuclear, Particle Physics

      Why is there still disagreement over the b quark's name?

   7. Beyond the Standard Model

      SUSY and GUTs all but eliminated by latest ACME experiment

4. Astronomy and Cosmology

   1. Astronomy and Astrophysics

      Stacking images

   2. Cosmology

      Communicating about the LHC and Cosmology in a creative way?

5. Mathematics

   1. General Math

      Triangle of powers

   2. Calculus

      How to integrate this function?

   3. Differential Equations

      Sketching simple coupled oscillators

   4. Topology and Analysis

      Show that set is an orthonormal set in PC(0,l)

   5. Linear and Abstract Algebra

      Why must the group N be finite in this result?

   6. Differential Geometry

      Injective immersion that is not a smooth embedding

   7. Set Theory, Logic, Probability, Statistics

      A Simplified Synthesis of Financial Options Pricing - Comments

   8. MATLAB, Maple, Mathematica, LaTeX, Etc

      Advantages and disadvantages of VIM-LaTeX

6. Engineering

   1. General Engineering

      Cubic Feet of Argon required to fill a tank under vacuum

   2. Mechanical Engineering

      Bracket mounting question

   3. Electrical Engineering

      Diodes in pairs

   4. Materials and Chemical Engineering

      Best anode materials for water-based hydrogen generator?

   5. Nuclear Engineering

      Liquid temperature increases when flowing through a 100% efficient pump?

   6. DIY Projects

      synchronizing two devices with an RF signal

7. Other Sciences

   1. Chemistry

      Deciding between SN1 vs E2

   2. Programming and Computer Science

      Probability of randomly selecting 32 bytes in ascending order

   3. Biology and Medical

      What are the best references for neurogenesis?

   4. Computing and Technology

      3D backprojection (potential project)

   5. Earth

      Three earthquakes Mag 6.6, 6.8, 6.5 off Port Hardy, Canada

8. PF Lounge

   1. General Discussion

      Is problem solving a inborn skill?

   2. Science Fiction and Fantasy Media

      Research for a book - question

   3. Feedback and Announcements

      Suggestions related to Mathjax

   4. New Member Introductions

      Nice to meet you

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