Subreddit directory
Ask Physics
Subscribers
1.5M
Active users
—
Category
science
Refreshed
1 day ago
Coverage score
3 / 4 evidence checks passed
Can you post here?
Post here
The current data suggests this subreddit is relatively approachable.
Strictness
Permissive
Posting gates
When cited Reddit discussions from AskPhysics show up in our LLM-observation dataset, these brands appear most often.
1. YouTube
60
2. World Health Organization (WHO)
38
3. National Institutes of Health
28
4. Bodywell
20
5. Reddit
8
6. Apple
6
7. Crash Course
4
8. Federal Trade Commission (FTC)
4
Based on 225 observed brand mentions across all indexed citation history. Rankings prioritize the last 30 days. Last updated Apr 20, 2026.
See the broader citation datasetObserved posting velocity across a seven-day, two-hour-bucket heatmap.
A simple read on whether the subreddit is accelerating, stable, or contracting in recent observed data.
Nearby communities worth comparing before you commit to one posting strategy.
Smaller, similar
Larger, stricter
Same audience
Managed path
Use AskPhysics as one signal, not the whole strategy. The plan needs the surrounding communities, posting constraints, and the commercial context for your category.
Prefer the DIY path?
Signals is still the hands-on option for buying aged Reddit accounts or supporting a live post once you already know the execution plan.