http://www.shvoong.com/tags/lauhwa/rss.xml Summaries, Abstracts, Synopses Reviews, Notes & Short Essays on Lauhwa Fri, 06 Oct 2006 04:32:00 GMT Summary for an article by support@shvoong.com - "The dragon spits the bead "reappearance, More than 1800 years ago Zhang Heng invents the seismograph “Longkou spits the bead” the phenomenon, today really reappears in front of the people. http://www.shvoong.com/humanities/401383-dragon-spits-bead-reappearance/ support@shvoong.com http://www.shvoong.com/humanities/401383-dragon-spits-bead-reappearance/ Sat, 09 Sep 2006 02:45:00 GMT Summary for an article by support@shvoong.com - Astronomers Find Supernova First Spotted 2,000 Years Ago, Nearly2,000yearsago,Chineseastronomersspotte dabrightlightmaterializinginthenightsky.Tur nsouttheskywatchershadwitnessedthespectacularexplosionofadyings http://www.shvoong.com/exact-sciences/412073-astronomers-supernova-spotted-000-years/ support@shvoong.com http://www.shvoong.com/exact-sciences/412073-astronomers-supernova-spotted-000-years/ Fri, 06 Oct 2006 04:32:00 GMT