Physics enthusiasts: communities and participation rules
They explore matter, energy, spacetime, and the laws behind physical phenomena out of curiosity.
Related communities · 55
Places with a sampled week come first, followed by recorded membership. Membership is neither activity nor a recommendation score.
- r/CERN48k members · 2025-01
- Language
- English
- Introducing a product
- Not established
No original wording is recorded for this action, so permission cannot be established here.
Rules and sources →Discussion sample availableWhy this appears
Listed through a recorded audience relationship. Demand for your product has not been verified here.
Which groups each place is for, judged by a model on the place's own description in the list; no posts read.
View source · record organized October 14, 2026 - r/fisica46k members · 2025-01
- Language
- Spanish
- Introducing a product
- Not established
Recorded rule excerptSi haces una pregunta debe ser precisa, con un título explicativo y tienes que indicar que has intentado hasta ahora.
Rules and sources →Discussion sample availableWhy this appears
Listed through a recorded audience relationship. Demand for your product has not been verified here.
Which groups each place is for, judged by a model on the place's own description in the list; no posts read.
View source · record organized October 14, 2026Recorded rule excerpt · View source · record organized October 14, 2026
- r/Radiation35k members · 2025-01
- Language
- English
- Introducing a product
- Not established
Recorded rule excerptPlease don't use our community for advertising or promotion.
Rules and sources →Discussion sample availableWhy this appears
Listed through a recorded audience relationship. Demand for your product has not been verified here.
Which groups each place is for, judged by a model on the place's own description in the list; no posts read.
View source · record organized October 14, 2026Recorded rule excerpt · View source · record organized October 14, 2026
- r/ParticlePhysics34k members · 2025-01
- Language
- English
- Introducing a product
- Not established
No original wording is recorded for this action, so permission cannot be established here.
Rules and sources →Discussion sample availableWhy this appears
Listed through a recorded audience relationship. Demand for your product has not been verified here.
Which groups each place is for, judged by a model on the place's own description in the list; no posts read.
View source · record organized October 14, 2026 - r/TheoreticalPhysics31k members · 2025-01
- Language
- English
- Introducing a product
- Not established
Recorded rule excerptAll questions are welcome as long as they are not masked as a self-theory
Rules and sources →Discussion sample availableWhy this appears
Listed through a recorded audience relationship. Demand for your product has not been verified here.
Which groups each place is for, judged by a model on the place's own description in the list; no posts read.
View source · record organized October 14, 2026Recorded rule excerpt · View source · record organized October 14, 2026
- r/universe30k members · 2025-01
- Language
- English
- Introducing a product
- Not established
No original wording is recorded for this action, so permission cannot be established here.
Rules and sources →Discussion sample availableWhy this appears
Listed through a recorded audience relationship. Demand for your product has not been verified here.
Which groups each place is for, judged by a model on the place's own description in the list; no posts read.
View source · record organized October 14, 2026 - r/fusion29k members · 2025-01
- Language
- English
- Introducing a product
- Not established
No original wording is recorded for this action, so permission cannot be established here.
Rules and sources →Discussion sample availableWhy this appears
Listed through a recorded audience relationship. Demand for your product has not been verified here.
Every post of 2026-09 in Reddit's public archive (Arctic Shift's monthly file); up to 60 posts a place, fixed by the hash of the post's id, judged one by one by Jev: written by one of these people, and showing one's own work; still up as the archive's second look a day and a half later found it.
View source · record organized October 15, 2026 - r/physicsjokes24k members · 2025-01
- Language
- English
- Introducing a product
- Not established
No original wording is recorded for this action, so permission cannot be established here.
Rules and sources →Discussion sample availableWhy this appears
Listed through a recorded audience relationship. Demand for your product has not been verified here.
Which groups each place is for, judged by a model on the place's own description in the list; no posts read.
View source · record organized October 14, 2026 - r/Optics19k members · 2025-01
- Language
- English
- Introducing a product
- Restriction recorded
Recorded rule excerptDo not directly advertise your own items.
Rules and sources →Discussion sample availableWhy this appears
Listed through a recorded audience relationship. Demand for your product has not been verified here.
Which groups each place is for, judged by a model on the place's own description in the list; no posts read.
View source · record organized October 14, 2026Recorded rule excerpt · View source · record organized October 14, 2026
- r/Physik19k members · 2025-01
- Language
- German
- Introducing a product
- Not established
No original wording is recorded for this action, so permission cannot be established here.
Rules and sources →Discussion sample availableWhy this appears
Listed through a recorded audience relationship. Demand for your product has not been verified here.
Which groups each place is for, judged by a model on the place's own description in the list; no posts read.
View source · record organized October 14, 2026 - r/thermodynamics14k members · 2025-01
- Language
- English
- Introducing a product
- Not established
Recorded rule excerptWe do not allow unsubstantiated opinions, low effort one-liner comments, off-topic replies, or pejorative name-calling.
Rules and sources →Discussion sample availableWhy this appears
Listed through a recorded audience relationship. Demand for your product has not been verified here.
Which groups each place is for, judged by a model on the place's own description in the list; no posts read.
View source · record organized October 14, 2026Recorded rule excerpt · View source · record organized October 14, 2026
- r/HypotheticalPhysics14k members · 2025-01
- Language
- English
- Introducing a product
- Not established
Recorded rule excerptNo hypothetical metaphysics or philosophical dilemmas are allowed.
Rules and sources →Discussion sample availableWhy this appears
Listed through a recorded audience relationship. Demand for your product has not been verified here.
Which groups each place is for, judged by a model on the place's own description in the list; no posts read.
View source · record organized October 14, 2026Recorded rule excerpt · View source · record organized October 14, 2026
After finding a community, find the conversations worth joining.
Hmm uses your product’s context to find relevant discussions, prepare replies and follow responses after you send. ahahmm has not launched yet; Mac comes first, with Windows in development.