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by GuB-42 1047 days ago
It is not some random subreddit, it is r/physics.

HN is a tech forum, plenty of smart people in there, but also plenty of people who think they know more than they really do. Lots of arrogance in here. I am guilty of it myself, and some of my posts got a lot of upvotes even though it was way out of my field of expertise. I try to get things right, fact checking and all that, but my opinion is certainly not worth that of an expert.

All that to say that on tech matters, I think HN is pretty good, because that's where the tech guys go. But for physics, I'd go for r/physics.