583 posts analyzed Updated Sep 2026
Averages 19 posts/day, top 10% activity. Most active Wednesdays around 12 PM UTC. Mostly text posts (70%).
r/Physics Traffic & Engagement r/Physics Traffic & Engagement
Volume and engagement over time Posting volume and engagement over time
Post Format
Upvote Distribution
How upvoted posts perform Only posts with 2+ upvotes. The bands below show how those posts are spread by upvote count.
r/Physics Most Active Times When r/Physics Is Most Active
Peak posting by day and hour (UTC) When this community posts most, by day and hour (UTC)
Most Active by Day
r/Physics Flair Performance r/Physics Flair Performance
Upvotes and volume by flair Average upvotes and post volume by flair
| Flair | Posts | Upvotes |
|---|---|---|
| Question | 166 (63.8%) | 9 |
| Image | 56 (21.5%) | 30 |
| Video | 25 (9.6%) | 55 |
| News | 8 (3.1%) | 388 |
| Academic | 5 (1.9%) | 25 |
Post Type Breakdown
Share by text, image, or link Share of posts by format: text, image, or link
r/Physics Trending Keywords Trending Keywords in r/Physics
Ranked by how often they appear Title keywords ranked by how often they appear
| Keyword | Mentions ▼ | Upvotes | Comments |
|---|---|---|---|
| physics | 117 (20.1%) | 43 | 10 |
| quantum | 34 (5.8%) | 12 | 7 |
| time | 27 (4.6%) | 9 | 8 |
| question | 23 (4.0%) | 56 | 23 |
| theory | 22 (3.8%) | 9 | 8 |
| help | 21 (3.6%) | 10 | 7 |
| gravity | 18 (3.1%) | 4 | 8 |
| navier | 18 (3.1%) | 218 | 83 |
| stokes | 17 (2.9%) | 231 | 88 |
| space | 15 (2.6%) | 1 | 8 |
r/Physics Mentioned Domains Mentioned Domains in r/Physics
Most linked sites Most linked sites in this subreddit
| Domain | Links | Upvotes |
|---|---|---|
| youtu.be | 17 | 2 |
| youtube.com | 14 | 97 |
| arxiv.org | 5 | 25 |
| phys.org | 5 | 14 |
| fabulous-pasca-409867.netlify.app | 3 | 1 |
r/Physics Top Posts Top Performing Posts in r/Physics
Highest-performing posts Highest-performing posts. Each title links to Reddit.
Physics Ph.D. grads depart U.S. at record rates as new policies sweep science
Navier-Stokes Millennium Problem Solved
The 2026 Ig Nobel Physics Prize is awarded for theoretical and experimental attempts to design a splash-free urinal
Bessent: “Robert Oppenheimer was not a physicist...”
On if OpenAI solved the wrong Navier-Stokes problem: "the LLM found and exploited a loophole in the framing of the question"
My attempt at simulating the cosmic web :)
I wonder what they were talking about.
Wave Functions of the Outermost Electrons in 3D
Recently Started Again
So, regarding Navier-Stokes, a naive question: do we need to restate the problem?
| Title | Upvotes | Comments | Type | Date |
|---|---|---|---|---|
| Physics Ph.D. grads depart U.S. at record rates as new policies sweep science | 2.7K | 182 | link | Sep 13 |
| Navier-Stokes Millennium Problem Solved | 2.4K | 848 | text | Sep 8 |
| The 2026 Ig Nobel Physics Prize is awarded for theoretical and experimental attempts to design a splash-free urinal | 1.2K | 38 | image | Sep 3 |
| Bessent: “Robert Oppenheimer was not a physicist...” | 1.1K | 325 | link | Sep 20 |
| On if OpenAI solved the wrong Navier-Stokes problem: "the LLM found and exploited a loophole in the framing of the question" | 869 | 344 | link | Sep 22 |
| My attempt at simulating the cosmic web :) | 660 | 22 | image | Sep 6 |
| I wonder what they were talking about. | 596 | 106 | image | Sep 24 |
| Wave Functions of the Outermost Electrons in 3D | 449 | 10 | image | Sep 28 |
| Recently Started Again | 426 | 28 | image | Sep 16 |
| So, regarding Navier-Stokes, a naive question: do we need to restate the problem? | 331 | 87 | text | Sep 8 |
r/Physics Audience Overlap r/Physics Subreddit Overlap & Related Communities
Overlapping audiences Communities with overlapping audiences
r/Physics FAQ Frequently Asked Questions About r/Physics
What's the best time to post on r/Physics?
Based on posting volume, r/Physics is most active on Wednesdays around 12 PM UTC. That window has the most community activity, but busier hours also mean more competition for attention.
How active is r/Physics?
r/Physics averages 19 posts per day and ranks in the top 10% for activity among tracked SFW subreddits.
How many upvotes do posts on r/Physics get?
Posts on r/Physics average about 29 upvotes this month (net score per post).
What kind of posts does r/Physics get most?
On r/Physics, most posts are text posts (70%)