In the Sirikata mail list, Henrik Bennetsen sen this interesting demo, (copy&past):
As Mozilla and Google push to bring native 3D rendering to the browser, a > team of German researchers could beat them to the punch with XML3D. > http://www.pcpro.co.uk/news/356062/xml3d-the-3d-webs-new-champion > Very interesting Alberto -- http://groups.google.com/group/realxtend http://www.realxtend.org