I have just noted that we have a popular-science tag. What is its purpose? Does it mean that the answers are expected to be pop science level, that just the question is pop science but the answers can nevertheless be technical for people other than the OP qho can stomach them, or is it meant to characterize questions that are popular level and should attain exclusively popular level answers too?
Is this tag meant to be the converse of the research-level tag?
I am not sure if I like this tag, it will depend on its purpose ...
Do we really nead this tag or should we dispense with it? An additional thought is that Physics SE is not meant to serve a lay audience explicitely, it is according to the faq targetted at academics, researchers, and students of physics and astronomy ...