Atmospheric Optics. The subreddit for anything related to optic sky phenomena: rainbows, ice halos, aurorae, mirages, cloud iridescence, green flashes, crepuscular rays and spectres of the Brocken.
The best links to click while you're stoned! Psychedelic, mindfucking, mesmerizing, reality-distorting or trippy games, video, audio & images that make a sober person feel stoned, or stoned person trip harder! Come for mindfucks and self-inflicted gaslighting. Or the hypnotic or mesmerising. Vivid colors, intense patterns. Mind-blowing science and philosophy. Chill or trippy music. Surrealism, absurdism and strangeness. Reminder: This is not a "reaction subreddit".
/r/photography is a place to discuss the tools, technique and culture of photography. This is not a good place to simply share cool photos or promote your work, but rather a place to discuss photography as an art and post things that would be of interest to other photographers.
The aim of /r/Physics is to build a subreddit frequented by physicists, scientists, and those with a passion for physics. Papers from physics journals (free or otherwise) are encouraged. Posts should be pertinent, meme-free, and generate a discussion about physics. Please report trolls and intentionally misleading comments.
This community is a place to share and discuss new scientific research. Read about the latest advances in astronomy, biology, medicine, physics, social science, and more. Find and submit new publications and popular science coverage of current research.