Physics Forums

New posts Post thread…

Homework Help Seek out and help with student's math and science homework help. Step by step help with coursework from high school to post grad. Please show your work and use the template. Submit your question in the correct forum.

Introductory Physics Homework Help

Which one is correct statement regarding lightning?

Advanced Physics Homework Help

Help needed with Elliptic Integrals

Precalculus Mathematics Homework Help

Finding the number of ways to arrange identical balls in a circle (3 different colors)

Calculus and Beyond Homework Help

Use greedy vertex coloring algorithm to prove the upper bound of χ

Biology and Chemistry Homework Help

Biology Prove that evolution is constant (Provide at least two arguments to support your position)

Engineering and Comp Sci Homework Help

Bending Stress and Shear Stress

Science Education and Careers Science education is the process of sharing scientific information with the goal of learning. Perspectives include, teachers, students and professionals. Find homework help, academic guidance and textbook reviews.

Science and Math Textbooks

Buy Want to buy second edition hardcovers of L&L to complete set

STEM Academic Advising

Admissions Could I please get critique on my SOP? (Experimental Biophysics)

STEM Educators and Teaching

Some thoughts about self-education

STEM Career Guidance

Physics Career Prospects (outside of academia)

Physics Discuss topics on physics, the scientific study of matter and motion. Find quality discussion on classical, quantum, high energy physics and more. Mainstream physics only.

Classical Physics

I Is calling fictitious forces "not real" just about terminology?

Atomic and Condensed Matter

A Does direct/indirect band gap occur in solids other than semiconductors?

Quantum Physics

I Angular Momentum Vector and Its Magnitude

Special and General Relativity

I Physical Interpretation of Frame Field

Beyond the Standard Models

I On the Quantum Mechanics of Entropic Forces

High Energy, Nuclear, Particle Physics

A Kerma from neutron irradiation

Other Physics Topics

B Analog power supply output question

Astronomy and Cosmology Join in expert discussion on astronomy, cosmology and star gazing. Astronomy deals with celestial objects, space, and the physical universe as a whole.

Astronomy and Astrophysics

I Is there anything inside a black hole?

Cosmology

I The quintessence as variable dark energy

Mathematics Math is the language of reality. Discuss calculus, statistics, topology and more!

General Math

Insights What Exactly is Dirac’s Delta Function? - Insight

Calculus

I Problem with calculating projections of curl using rotation of contour

Differential Equations

I A question about variables of integration

Topology and Analysis

I About the definition of topological manifold using closed sets

Linear and Abstract Algebra

A The colorful world of ##2\times 2## complex matrices

Differential Geometry

Strain Tensor Based on Clifford Algebra

Set Theory, Logic, Probability, Statistics

I A variant of the Monty Hall problem

MATLAB, Maple, Mathematica, LaTeX

How to correctly type "-i.e." in LaTeX?

Engineering Engineering is science in action. Discuss mechanical, electrical, nuclear, design and more!

General Engineering

Engineering Disasters

Mechanical Engineering

Local pressures in turbocharger housing?

Electrical Engineering

I'm trying to intuit how pull-up and pull-down resistors work

Aerospace Engineering

Space Stuff and Launch Info

Nuclear Engineering

Creating the geometry using MNCPX VisEd

Materials and Chemical Engineering

Ground coffee freshness question

Other Sciences Discuss a wide array of sciences like chemistry, biology, earth, social and more!

Chemistry

Molecular-level explanation of macroscopic phenomena: dissolving

DIY Projects

Optical Building a Raman spectrometer….

Biology and Medical

Magnetoreception in Animals

Programming and Computer Science

Leading AI systems blackmailed their human users

Earth Sciences

Hayli Gubbi volcano eruption; Ethiopia's Afar region (Nov 2025)

Computing and Technology

Impersonation News

The Lounge Take a break from science and discuss current affairs, jokes, relationships, sci-fi and more!

General Discussion

Are Conventional Turkey Thawing Instructions Backwards?

Science Fiction and Fantasy Media

Is this the right place for technical review of sci-fi concepts?

Art, Music, History, and Linguistics

Music Today's Fusion Music: T Square, Cassiopeia, Rei & Kanade Sato

Feedback and Announcements

How do you make the words blur until the person clicks on the blur?