1. Homework Help

   1. Introductory Physics Homework

      Potential Acceleration of an Atwood Machine

   2. Advanced Physics Homework

      Statistical physics question - particles in a magnetic field

   3. Precalculus Mathematics Homework

      Proof by contradiction

   4. Calculus and Beyond Homework

      Using Ideal Gas Law to Calculate Vertical Pressure Gradient

   5. Biology, Chemistry and Earth Homework

      Genetics Problem -- six independently assorting genes in a plant

   6. Engineering and Computer Science Homework

      Sketch the waveform to represent the transient response

2. Science Education and Careers

   1. Science and Math Textbooks

      IE Irodov equivalent for Maths?

   2. Academic Guidance

      How to be proactive?

   3. Educators and Teaching

      Helping students transition from High School to University

   4. Career Guidance

      Ph.D. - worthwhile?

3. Physics

   1. General Physics

      Various Pressures in mass transfer

   2. Classical Physics

      How does a the vertical force of gravity end in horizontal?

   3. Quantum Physics

      What's Known about the Wave Function and Gravity

   4. Special and General Relativity

      Momentum calculation of a rotating rod (part 3)20180822

   5. Atomic and Condensed Matter

      Energy gap between energy bands in solid state physics

   6. High Energy, Nuclear, Particle Physics

      Why is the Higgs boson considered a boson?

   7. Beyond the Standard Model

      Is string theory a deterministic hidden variable theory?

4. Astronomy and Cosmology

   1. Astronomy and Astrophysics

      If we teleport 1mm^3 of neutron star outside it what hapens?

   2. Cosmology

      WIMP , dark matter

5. Mathematics

   1. General Math

      Proof that a^0 = 1

   2. Calculus

      Evaluating an integral issue

   3. Differential Equations

      Derivation of Lax-Wendroff finite volume scheme

   4. Topology and Analysis

      Higher Order Derivative Test and Germs

   5. Linear and Abstract Algebra

      Primitive Elements and Free Modules ... ...

   6. Differential Geometry

      Do Isometries Preserve Covariant Derivatives?

   7. Set Theory, Logic, Probability, Statistics

      Mixing of regatta competitors

   8. MATLAB, Maple, Mathematica, LaTeX, Etc

      Solving eigenvalue problems

6. Engineering

   1. General Engineering

      AC vs DC servo motors in large scale cable robot design

   2. Mechanical Engineering

      Friction Loss for gravity fed rainwater downspouts/pipes?

   3. Electrical Engineering

      Measuring small differences in the phase of light

   4. Materials and Chemical Engineering

      Is there a way to increase the efficiency of spdc?

   5. Nuclear Engineering

      Resource(s) for commercial transuranic waste composition?

   6. DIY Projects

      Need help choosing the necessary motor for my first ever DIY project

7. Other Sciences

   1. Chemistry

      In coordinate bond, why doesn't the H^+ atom get a negative charge?

   2. Programming and Computer Science

      Inputting Data into SAS

   3. Biology and Medical

      Making a record of what we feel when we touch something

   4. Computing and Technology

      Odd behavior after accessing Yahoo

   5. Earth

      Did complex animals evolve at deep sea volcanic vents?

8. PF Lounge

   1. General Discussion

      Favorite songs (new thread)

   2. Science Fiction and Fantasy Media

      Science review of the movie Contact?

   3. Feedback and Announcements

      Paragraphing Latex expressions

   4. New Member Introductions

      Maxwell's Equations versus Newton's Third Law

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