1. Homework Help

   1. Introductory Physics Homework

      momentum and collisions homework help

   2. Advanced Physics Homework

      Problem 16.1 of Ashcroft and Mermin, assignment (b)

   3. Precalculus Mathematics Homework

      Solution to a sixth grade (degree 6) equation

   4. Calculus and Beyond Homework

      An exercise with the third isomorphism theorem in group theory

   5. Biology, Chemistry and Earth Homework

      Which mechanism and which step would best fit the data?

   6. Engineering and Computer Science Homework

      ELectrical hysteresis help

2. Science Education and Careers

   1. Science and Math Textbooks

      Multivariable calculus without forms or manifolds

   2. Academic Guidance

      Tricky master's thesis problem

   3. Educators and Teaching

      Hall's Marriage Theorem

   4. Career Guidance

      How much money can you make in physics?

3. Physics

   1. General Physics

      How to dampen movement within a magnetic field?

   2. Classical Physics

      Beyond Viscous Drag, Cavitation, Laminar Flow, & Reynolds

   3. Quantum Physics

      Can I steer myself into one of the Many Worlds like this?

   4. Special and General Relativity

      A Geometrical View of Time Dilation and the Twin Paradox - Comments

   5. Atomic and Condensed Matter

      What causes solidity of objects?

   6. High Energy, Nuclear, Particle Physics

      Moving Center of Mass Collisions

   7. Beyond the Standard Model

      ER=EPR baby steps: causation or not?

4. Astronomy and Cosmology

   1. Astronomy and Astrophysics

      Expanding universe or tired light in a static universe?

   2. Cosmology

      Total number density of galaxies and problematic expression

5. Mathematics

   1. General Math

      Quickest way to calculate a given summation

   2. Calculus

      Fourier transform for cosine function

   3. Differential Equations

      Sturm-Liouville Eigenfunctions

   4. Topology and Analysis

      Trying to understand why a set is both open and closed

   5. Linear and Abstract Algebra

      How to properly understand finite group theory

   6. Differential Geometry

      Tangent spaces at different points

   7. Set Theory, Logic, Probability, Statistics

      Probability that a Random String is a Word

   8. MATLAB, Maple, Mathematica, LaTeX, Etc

      Plotting Multiple values on different domains

6. Engineering

   1. General Engineering

      Using the thermosyphon effect for a floor water heating system

   2. Mechanical Engineering

      Farmer Carry Handles

   3. Electrical Engineering

      Remote control of a Walker Scientific Magnet & Power Supply

   4. Materials and Chemical Engineering

      Optical coatings

   5. Nuclear Engineering

      Current State of Nuclear Fusion Power

   6. DIY Projects

      Recommendations: Project inspiration w/ a budget

7. Other Sciences

   1. Chemistry

      Seeking White Powder Alkali Indicator (that can take 900°C!)

   2. Programming and Computer Science

      Comparison of high-level computer programming languages

   3. Biology and Medical

      Slowing down the aging process: facts and latest research?

   4. Computing and Technology

      Advice needed on the best way to learn smart phone

   5. Earth

      Freezing fog creates rare light pillars in Wisconsin on Sunday

8. Uncategorized Thought Field

   1. General Discussion

      Under what conditions can glass crack spontaneously?

   2. Science Fiction and Fantasy Media

      Computing for the Apocalypse

   3. Feedback and Announcements

      Would it be possible to implement a "psychology" sub-forum?

   4. New Member Introductions

      Hello Everyone!

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