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r/QuantumPhysics↗

Quantum Physics

A subreddit for discussing published work on quantum mechanics.

72k subscribers80 posts / mo in Sep 202672 authors / mosince 2011

r/QuantumPhysics has 72k members (+13% over the last 12 months). It gets about 80 posts a month from 72 people. Top topics: Quantum Computing, Quantum Computing Trends and Quantum Computing Advances.

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Size and growth

How r/QuantumPhysics has grown

r/QuantumPhysics

Subscriber growth

Subscribers over time

+13%in 12 months · +2.4% in 3 months · +0.5% in 1 month
Oct 202672k
Growing72k subscribers
Data since Mar 2018Live · through Oct 2026
r/QuantumPhysics

Monthly activity

Posts, comments and authors per month

−30%vs Sep 2025 · −27% last 3 months vs the 3 before
Sep 202680
QuieterPeaked at 191 in Mar 2025
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/QuantumPhysics

Top topics

Share of the subreddit's posts

  1. Quantum Computing1.2%
  2. Quantum Computing Trends0.9%
  3. Quantum Computing Advances0.5%
  4. Big Bang Theory0.4%
  5. Physics Books0.3%

Brands people mention

Most-mentioned brands and sites, last 12 months

  1. Doi
  2. arXiv.org e-Print archive
  3. Zenodo
  4. Substack
  5. Nature

The full report

Everything else about r/QuantumPhysics

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