yep (you can see link to pligg.com at bottom of phygg.com)... two research groups are starting to use it, at the Institute for Theoretical Physics at UZH and t

yep (you can see link to pligg.com at bottom of phygg.com)... two research groups are starting to use it, at the Institute for Theoretical Physics at UZH and the Institute for Advanced Study in Princeton, so it's more for HNers who are interested in (astro)physics at the research level to check out/use. we're adding interesting papers (cutting edge, fresh off arXiv.org) daily.