r/fusion↗
Nuclear Fusion
Discussion and news on advancements in the field of nuclear fusion energy and related technologies.
46k subscribers176 posts / mo in Sep 202656 authors / mosince 2008
r/fusion has 46k members (+30% over the last 12 months). It gets about 176 posts a month from 56 people. Top topics: Fusion Events, iPad Video Editing and Engineering Internships.
When to post on r/fusion
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How r/fusion has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/fusion
Top topics
Share of the subreddit's posts
- Fusion Events0.6%
- iPad Video Editing0.5%
- Engineering Internships0.4%
- FusionTeams0.3%
- Nuclear Reactors0.1%
Brands people mention
Most-mentioned brands and sites, last 12 months
- arXiv.org e-Print archive
- Institute of Physics
- Commonwealth Fusion Systems
- TechCrunch
Everything else about r/fusion
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research