1. Homework Help

   1. Introductory Physics Homework

      What's the acceleration of the blocks and the tension?

   2. Advanced Physics Homework

      Path of a deflected charge? Solvable ODE's?

   3. Precalculus Mathematics Homework

      How do I factor this cubic polynomial?

   4. Calculus and Beyond Homework

      Finding residues with Laurent series.

   5. Biology, Chemistry and Earth Homework

      Confused about the volume of a rigid (glass) container

   6. Engineering and Computer Science Homework

      Tuple Relational Calculus in a DBMS

2. Science Education and Careers

   1. Science and Math Textbooks

      A book for a fast introduction to modern math?

   2. Academic Guidance

      How useful would Chemistry be as a 2nd major to Physics

   3. Educators and Teaching

      Measuring Air Drag Accurately

   4. Career Guidance

      Not happy with working life

3. Physics

   1. General Physics

      Earth without an atmosphere

   2. Classical Physics

      F=ma -- How did Newton find this?

   3. Quantum Physics

      The Unreasonable Effectiveness of the Popescu-Rohrlich Correlations - Comments

   4. Special and General Relativity

      Accounting for the constant speed of light

   5. Atomic and Condensed Matter

      Why is the 'work function' called a function?

   6. High Energy, Nuclear, Particle Physics

      What does a proton look like?

   7. Beyond the Standard Model

      SUSY and GUTs all but eliminated by latest ACME experiment

4. Astronomy and Cosmology

   1. Astronomy and Astrophysics

      How was our universe created?

   2. Cosmology

      Do we directly observe redshifted galaxies receding >c?

5. Mathematics

   1. General Math

      Was there any need or utility or aim, for Cantor's theory?

   2. Calculus

      Total Derivative of a Constrained System

   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

      Exotic Bicycle Designs and Engineering

   2. Mechanical Engineering

      Recharge an RV battery by hand cranking a generator

   3. Electrical Engineering

      Equivalent circuit of the waveguide application problem

   4. Materials and Chemical Engineering

      Best anode materials for water-based hydrogen generator?

   5. Nuclear Engineering

      MCNPX - How calculate Kerma (kinetic energy released per unit mass) in Air?

   6. DIY Projects

      synchronizing two devices with an RF signal

7. Other Sciences

   1. Chemistry

      Is Melted Bismuth safe to wear as a necklace?

   2. Programming and Computer Science

      Interpreter vs Compiler

   3. Biology and Medical

      What are the best references for neurogenesis?

   4. Computing and Technology

      Decrypting files & forgotten password

   5. Earth

      Are there other variables that control climate change?

8. PF Lounge

   1. General Discussion

      Quotes requested

   2. Science Fiction and Fantasy Media

      Daredevil Senses

   3. Feedback and Announcements

      Suggestions related to Mathjax

   4. New Member Introductions

      This is me

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