1. Homework Help

   1. Introductory Physics Homework

      'Force on pulley by a string' conception

   2. Advanced Physics Homework

      Discrepancy in Lagrangian to Hamiltonian transformation?

   3. Precalculus Mathematics Homework

      Formation of a hyperbola using a plane cutting a doubole con

   4. Calculus and Beyond Homework

      Integral help (substitution and boundaries)

   5. Biology, Chemistry and Earth Homework

      Finding an element using quantum configuration

   6. Engineering and Computer Science Homework

      Voltage-Gain of a common-emitter-amplifier

2. Science Education and Careers

   1. Science and Math Textbooks

      Asking for recommendation on Fluid Dynamics and CFD textbooks

   2. Academic Guidance

      Need Some Guidance (AMC Reccomendations)

   3. Educators and Teaching

      Hall's Marriage Theorem

   4. Career Guidance

      Physicists and physics majors, was it worth it?

3. Physics

   1. General Physics

      So what is the new definition of the kilogram?

   2. Classical Physics

      So tension is not a force..?

   3. Quantum Physics

      What has changed since the Copenhagen interpretation?

   4. Special and General Relativity

      Newtonian analogue of energy-momentum relation?

   5. Atomic and Condensed Matter

      Observables in condensed matter (QFT)

   6. High Energy, Nuclear, Particle Physics

      Does background radiation have a diurnal variation?

   7. Beyond the Standard Model

      Real function instead of spinor field in Yang-Mills field

4. Astronomy and Cosmology

   1. Astronomy and Astrophysics

      What now about Dark Matter?

   2. Cosmology

      The expansion of the Universe?

5. Mathematics

   1. General Math

      Math Challenge - November 2018

   2. Calculus

      A Numerical Insight for the Fundamental Theorem of Calculus - Comments

   3. Differential Equations

      Boundary condition 1D beam

   4. Topology and Analysis

      Completeness of a basis function

   5. Linear and Abstract Algebra

      Representation of elements of the Grassmannian space

   6. Differential Geometry

      Hodge dual

   7. Set Theory, Logic, Probability, Statistics

      Probability of n consecutive tails in n coin tosses

   8. MATLAB, Maple, Mathematica, LaTeX, Etc

      To print a simple function

6. Engineering

   1. General Engineering

      Wrapping a Ribbon Around a Cone

   2. Mechanical Engineering

      Should non-relativistic Navier Stokes Equations be modified?

   3. Electrical Engineering

      low voltage across low resistance for heating elements

   4. Materials and Chemical Engineering

      Tire rubber durometer rating -- stability

   5. Nuclear Engineering

      Spheromak info

   6. DIY Projects

      Video about modifying a new Ryobi electric hand planer

7. Other Sciences

   1. Chemistry

      Polypropylene question: "high heat tolerance"

   2. Programming and Computer Science

      Is machine learning entirely based on decision tree?

   3. Biology and Medical

      What is this lizard?

   4. Computing and Technology

      Anti-virus and Internet Security Software

   5. Earth

      Pleistocene meteor crater on Greenland

8. The MC Square

   1. General Discussion

      Not having children to save money

   2. Science Fiction and Fantasy Media

      Need help crafting a cataclysm (for SF novel)

   3. Feedback and Announcements

      Possibility of PGN Display

   4. New Member Introductions

      Hello Everyone :D

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