1.4K posts analyzed Updated Jul 2026
Averages 46 posts/day, top 5% activity. Most active Saturdays around 12 PM UTC. Mostly text posts (90%).
r/AskPhysics Traffic & Engagement r/AskPhysics 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/AskPhysics Most Active Times When r/AskPhysics 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/AskPhysics Flair Performance r/AskPhysics Flair Performance
Upvotes and volume by flair Average upvotes and post volume by flair
This subreddit doesn't use post flairs.
No flaired posts were found in this month's data.
Post Type Breakdown
Share by text, image, or link Share of posts by format: text, image, or link
r/AskPhysics Trending Keywords Trending Keywords in r/AskPhysics
Ranked by how often they appear Title keywords ranked by how often they appear
| Keyword | Mentions ▼ | Upvotes | Comments |
|---|---|---|---|
| physics | 180 (12.7%) | 3 | 7 |
| time | 110 (7.8%) | 3 | 17 |
| question | 80 (5.7%) | 1 | 8 |
| universe | 72 (5.1%) | 6 | 16 |
| energy | 66 (4.7%) | 3 | 15 |
| light | 66 (4.7%) | 9 | 25 |
| black | 53 (3.8%) | 8 | 17 |
| quantum | 52 (3.7%) | 5 | 12 |
| gravity | 49 (3.5%) | 4 | 17 |
| speed | 48 (3.4%) | 5 | 26 |
r/AskPhysics Mentioned Domains Mentioned Domains in r/AskPhysics
Most linked sites Most linked sites in this subreddit
This community doesn't link off-site.
Its posts are text, images, or discussion rather than outbound links.
r/AskPhysics Top Posts Top Performing Posts in r/AskPhysics
Highest-performing posts Highest-performing posts. Each title links to Reddit.
A Planck length is about 10^-17 times the size of an electron. So if a person were the size of a Planck length, an electron would be about 10 light-years across. So what kind of structures might be in an electron?
Why does my MacBook feel different when it's plugged in?
Is there a modern-day Einstein right now?
If heat can move from hotter body to colder body, should not the universe have same temperature?
Anyone else having AI-anxiety?
Why does metal get so hot in sunlight even when it's very reflective?
If standard pressure is 14.7 pounds per square inch, why is it so easy to pick up a piece of paper?
Solve a bar debate: Does wet ice at 32F keep beer colder than a mixture of ice and water at 32F?
Why is turbulence considered one of the hardest problems (if not the most hardest problem) of classical physics?
Why is the graviton important when (to my knowledge) gravity isn't a force and thus doesn't need a mediating quantum particle?
r/AskPhysics Audience Overlap r/AskPhysics Subreddit Overlap & Related Communities
Overlapping audiences Communities with overlapping audiences
r/AskPhysics FAQ Frequently Asked Questions About r/AskPhysics
What's the best time to post on r/AskPhysics?
Based on posting volume, r/AskPhysics is most active on Saturdays around 12 PM UTC. That window has the most community activity, but busier hours also mean more competition for attention.
How active is r/AskPhysics?
r/AskPhysics averages 46 posts per day and ranks in the top 5% for activity among tracked SFW subreddits.
How many upvotes do posts on r/AskPhysics get?
Posts on r/AskPhysics average about 4 upvotes this month (net score per post).
What kind of posts does r/AskPhysics get most?
On r/AskPhysics, most posts are text posts (90%)