PhysicsForum.org is a global community where curious minds explore the laws of the universe together — from the high-school student puzzling over Newton’s laws to the postdoc deriving QFT amplitudes.
Our Mission
We believe physics is the most beautiful intellectual achievement of our species and that everyone deserves access to it. PhysicsForum exists to make rigorous, welcoming, well-cited physics discussion freely available to the entire planet.
What You’ll Find Here
- A discussion forum covering 15+ areas of physics — from classical mechanics to quantum gravity, from undergraduate homework help to cutting-edge research debates.
- A learning library with hundreds of free articles, sorted by level (Beginner, Undergraduate, Graduate) so you can grow at your own pace.
- An open-source PhysicsLab — browser-based simulations of pendulums, quantum wells, orbits, fields, and more, with no install required.
- A welcoming community of students, hobbyists, teachers, and active researchers from over 90 countries.
Our Pillars
- Rigour. Mathematics renders properly with KaTeX. Citations are encouraged. “I think so” is welcome — but “according to Griffiths §6.4…” is better.
- Open access. Every article and every simulation is free, forever. Pro is optional and supports the platform; it never gates the science.
- Welcoming. Every expert was once a beginner. “Dumb questions” are the only kind worth asking.
- Open source. Our theme, simulations, and tools are open source under permissive licences.
- No pseudoscience. We discuss established physics and serious open questions — not theories that contradict well-tested experiments.
How We’re Funded
PhysicsForum is supported by optional Pro memberships and voluntary donations. We do not run third-party advertising, we do not sell user data, and we never will. If you love what we do, the best way to help is to share a thread or upgrade to Pro.
The Team
PhysicsForum is built by a small core team of physicists and engineers, supported by an active volunteer moderator community spread across many time zones. We move slowly and carefully — because that’s how good physics gets done.
Get Involved
The fastest way to help: sign up, answer a question that’s within your wheelhouse, and welcome a new member to the forum. The second fastest: tell us what we could be doing better.