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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

Join expert classical physics discussion on the principles developed before the rise of relativity and quantum mechanics. Including mechanics, electrodynamics, thermodynamics, optics.

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Quantum Physics

Join in expert discussion on quantum physics. Quantum physics is the mathematical description of the motion and interaction of subatomic particles. Quantum Mechanics and Field Theory.

Threads: 27K

Quantum Interpretations and Foundations

Join discussion regarding the different quantum interpretations and foundations. These discussions present some unique challenges since they deal with matters for which there is not an established "right" answer.

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Special and General Relativity

Join in expert discussion on special and general relativity discussion. Relativity is the dependence of various physical phenomena on relative motion of the observer and the observed objects.

Threads: 22K

High Energy, Nuclear, Particle Physics

Join expert discussion on High Energy, Nuclear, Particle Physics. Properties, relationships, and interactions of subatomic particles. Experimental and theoretical physics of nuclei and elementary particles.

Threads: 10K

Beyond the Standard Models

Join expert and advanced topics on beyond the standard model of physics. This includes professionally researched theories like strings, branes, and LQG. Mainstream physics only.

Threads: 8K

Atomic and Condensed Matter

Join in expert discussion on atomic and condensed matter. Methods for atoms, molecules, condensed matter. This includes the structure of the atom, its energy states, and its interactions.

Threads: 7K

Astronomy, Astrophysics, Cosmology

Join in expert discussion on the topics of Astronomy, astrophysics and cosmology. This may include discussion on celestial objects, space, and the physical universe as a whole. Mainstream science only.

Threads: 22K

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

General Math

Join in expert discussion on general math topics that are not applicable to the specific categories. This includes topics are usually high school math level. Homework help is available.

Threads: 26K

Math Proof Training and Practice

Participate in free math proof training events and practice your proofs with expert math guides helping you step by step.

Threads: 146

Math Guides, Tutorials and Articles

Collections of useful posts on a large variety of topics, as well as a link to various tutorials posted in various locations on MHB.

Threads: 47

Math Problem of the Week

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MATLAB, Maple, Mathematica, LaTeX

Join experts in discussion on math and science software. Discussion and support for Matlab, Mathematica, Stata, Maple, Mathcad, LaTeX and more.

Threads: 6K

Calculus

Join experts in discussion of calculus topics. This may include topics on Elementary functions, Calculating limits, derivatives and integrals. Optimization problems and Homework help is available.

Threads: 27K

Differential Equations

Join in expert discussion on differential equation topics like ODE and PDE. Differential equations are an equation involving derivatives of a function or functions.

Threads: 7K

Topology and Analysis

Participate in expert discussion on topology and analysis topics. This includes point-set topology, Real, complex, harmonic and functional analysis. Also measure and integration theory.

Threads: 9K

Differential Geometry

Join experts in discussing differential geometry topics. This includes manifolds, Tensors and forms. Connections and curvature also. Differential and algebraic topology discussion.

Threads: 5K

Linear and Abstract Algebra

Join experts in discussing linear and abstract algebra topics. This includes vector spaces and linear transformations. Also groups and other algebraic structures along with Number Theory.

Threads: 13K

Set Theory, Logic, Probability, Statistics

Join experts in discussion on Set Theory, Logic, Probability, Statistics topics. Fundamentals in Set theory, logic and proofs. Probability and statistics also. Homework help is available.

Threads: 13K

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

General Engineering

Join the discussion of general engineering topics. The design, building, and use of engines, machines, and structures. Use the forum for any engineering topics not applicable to the specific categories.

Threads: 5K

DIY Projects

Discuss your DIY project free with expert professionals. Do it yourself (DIY) is the process of building, modifying, or repairing things without the direct aid of professionals.

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Mechanical Engineering

Join the expert discussion on mechanical engineering topics. This can include topics like the development of machines. Mechatronics, Robotics, Engines, Drafting etc.

Threads: 15K

Electrical Engineering

Join the expert discussion on electrical engineering topics. Topics like the uses of electricity and the equipment for power generation. Circuits, Fiber, Signals and Systems, Semiconductor Devices...

Threads: 22K

Aerospace Engineering

Join expert discussion on aerospace and astronautics. Technology and industry concerned with aviation, space flight and space exploration. Plane, Shuttle and Rocket design, news and concepts. SpaceX, Blue Origin and NASA space agencies.

Threads: 2K

Nuclear Engineering

Join other experts in discussion on nuclear engineering. Topics on design and construction and operation of nuclear reactors. Radiation Protections, Radioactive Waste, Design, Reactors as well!

Threads: 3K

Materials and Chemical Engineering

Join the expert discussion on Materials and Chemical Engineering topics. Includes topics on the properties of matter and its applications. Metal Production, Fabrication, Distillation, Corrosion

Threads: 4K

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

Chemistry

Join the expert discussion on chemistry. Chemistry is the study of the nature, properties, and composition of matter. Biochemistry, Organic, Inorganic, Analytical are topics that may be discussed.

Threads: 9K

Biology and Medical

Join the expert discussion on biology and medical topics. This may include the study of living organisms, molecular, Botany, Micro, Genetics, Ecology.

Threads: 13K

Earth Sciences

Join the experts in discussing earth science topics. Earth science is the physical state of the earth and its atmosphere. Such as Geology, Meteorology, Oceanography, Ecology.

Threads: 3K

Programming and Computer Science

Join the expert discussion on programming topics. Topics like computer algorithms, data structures, A.I., systems, databases, communications, security.

Threads: 17K

Computing and Technology

Join the expert discussion on all things computing and technology. This may include topics like computer software, hardware, architecture, security, internet. Use the programming forum for computer science questions.

Threads: 9K

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

Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.

Threads: 139K

Advanced Physics Homework Help

Free advanced physics homework help via qualified mentors. Upper undergraduate and graduate level. Please use the template when requesting help and show your work.

Threads: 23K

Precalculus Mathematics Homework Help

Free pre-calculus mathematics homework help from qualified mentors. Math courses prior to calculus homework. Please use the template when requesting help and show your work.

Threads: 17K

Calculus and Beyond Homework Help

Free calculus and beyond homework help via qualified mentors. Math courses from calculus on-wards homework. Please use the template when requesting help and show your work.

Threads: 65K

Biology and Chemistry Homework Help

Free Biology, Chemistry, Geology homework help via qualified mentors. Please use the template when requesting help and show your work. Gain understanding today!

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Engineering and Comp Sci Homework Help

Free Engineering, Computer Science, and Technology homework help via qualified mentors. Please use the template when requesting help and show your work.

Threads: 18K

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.

STEM Academic Advising

Browse and request academic advising for all sciences, math and engineering. Topics include school selection, GRE tests, degree information, funding and more. Find the help you need here to navigate and succeed.

Threads: 26K

STEM Career Guidance

Discuss topics on science and math professions. Topics include job descriptions, salary, requirements and responsibilities. Find advice when comparing two or more similar careers.

Threads: 7K

Science and Math Textbooks

Thousands of discussions on the best science and math textbooks. Read user reviews, recommend your favorites, and ask for suggestions.

Threads: 6K

STEM Educators and Teaching

For science and math teachers, professors, instructors, tutors to discuss pedagogy, technology, teaching methods, lesson ideas, class management. Find advice on how to best prepare your students for success.

Threads: 969

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

General Discussion

Join the fun discussing casual topics sometimes outside the realm of science and technology. Maybe about books, movies, cooking, or general thoughts and commentary. This is a relaxing forum to unwind from the technical topics.

Threads: 36K

Fun, Photos and Games

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Music

Threads: 383

Science Fiction and Fantasy Media

Join other sci-fi fans in discussing science fiction and fantasy topics. SciFi and fantasy movies, TV, books, comics, art, games and culture! Are you a Star Wars or Lord of the Rings fan.

Threads: 2K

Sci-Fi Writing and World Building

Sci-Fi writers, this forum is for you. Free ideas and advice for your stories from sci-fi fans and science professionals. Find out how to bring in real science for your story.

Threads: 912

New Member Introductions

New members, come and introduce yourselves. Test the forum functionality and find guides to get the most out of your stay. Welcome to Physics Forums.

Threads: 13K

Art, History, and Linguistics

Join experts in discussing the humanities like Art, Music, History, and Linguistics. Chat about your favorite composers or poets. Debate the merits of the Roman or Greek civilizations. Find out how the Spanish language was constructed.

Threads: 3K

Feedback and Announcements

Looking to get your voice heard from PF staff and community? Here we discuss Physics Forums site help, support, comments, suggestions. Official announcements are also published here.

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