Filters in Forums (B I A)

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The filters "B," "I," and "A" in forums denote beginner, intermediate, and advanced levels, helping respondents gauge their appropriate level of engagement. These tags are selected by the original poster, although mentors can modify them if deemed inappropriate. Users can report threads with incorrect level tags for correction. This topic has been previously addressed in the Feedback & Announcement forum. Understanding these filters enhances the clarity and relevance of discussions within the community.
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What do the filters "B" "I" "A" I see on forums mean?
 
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Assuming, beginner, intermediate, and advanced. It's a tag that let's respondents kind of gauge the level in which they should respond.
 
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Thanks Student100. Is this selected by the OP or by votes? Is this documented anywhere?
 
0pt618 said:
Thanks Student100. Is this selected by the OP or by votes? Is this documented anywhere?

It is selected by the original poster, although the mentors will change it if it appears to have been poorly chosen. If you come across a thread with a level that looks wrong you can report it, just as you would report a thread started in the the wrong forum.
 
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Thread 'Thank you to mentors, advisors and members'

I want to thank those members who interacted with me a couple of years ago in two Optics Forum threads. They were @Drakkith, @hutchphd, @Gleb1964, and @KAHR-Alpha. I had something I wanted the scientific community to know and slipped a new idea in against the rules. Thank you also to @berkeman for suggesting paths to meet with academia. Anyway, I finally got a paper on the same matter as discussed in those forum threads, the fat lens model, got it peer-reviewed, and IJRAP...
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Thread 'Thank you physics forums, 20 years later'

About 20 years ago, in my mid-30s (and with a BA in economics and a master's in business), I started taking night classes in physics hoping to eventually earn the science degree I'd always wanted but never pursued. I found physics forums and used it to ask questions I was unable to get answered from my textbooks or class lectures. Unfortunately, work and life got in the way and I never got further the freshman courses. Well, here it is 20 years later. I'm in my mid-50s now, and in a...
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