I rather like the concept of themed questions. I think that rejuvenation implies a desire for more site activity, which means asking questions of wide interest. So far, TP.SE is populated largely by research-grade questions of extremely high technical focus. Of course, I presume that this site should not become an elitist version of Physics.SE, and certainly not a place to get help with homework.
I also would participate more in this site if there were more discussion-type questions at a more pedagogical level. So far, most of the questions I see require deep technical knowledge of some field or another. I tried asking a more generalist question (Source term of the Einstein field equation) and met with a good response aside from the usual trolling by Luboš Motl. It didn't get many upvotes, though. I consider that a shame, since I thought carefully about how I posed that question and tried to put it at a level that was accessible to anyone with a general physics knowledge as opposed to research grade knowledge. I also thought it would be interesting to bring the intuitive style back in vogue. So many questions here have a bunch of abstract symbols that are difficult to relate to The Real World -- especially for a graduate student like me!
I am of the Feynman school of thought, which can be paraphrased as follows: you can know all the names in all the languages of the world for a Nightingale and you will know nothing about the Nightingale. You will only know something about the peoples of the world. If you want to know the Nightingale, listen to it sing. By analogy, let's have less "Why is there no theta-angle (topological term) for the weak interactions?" and "Edge theory of FQHE - Unable to produce Green's function from anticommutation relations and equation of motion?" (no disrespect to the askers I've copy+pasted -- I chose based on jargon density, not question quality) and more "what is an electron?" type stuff. I'm not ashamed to admit that I still don't know what an electron is -- is it a piece of EM field? Can you form superpositions of electrons and neutrinos and, if so, how does it behave from an intuitive standpoint? How does a neutron star react to bombardment by a beam of electrons? I think these are legitimate research-grade questions.
Just my two cents :-)
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