The Sagnac effect (also called Sagnac interference), named after French physicist Georges Sagnac, is a phenomenon encountered in interferometry that is elicited by rotation. The Sagnac effect manifests itself in a setup called ring interferometry. A beam of light is split and the two beams are made to follow a trajectory in opposite directions. To act as a ring the trajectory must enclose an are..

everyone has the answer you don't fool yourself ... everything is gonna be alright ... no woman no cry

Check this out: http://blog.gmane.org/gmane.comp.science.opengate.user

Gate: error while loading shared libraries: libxerces-c-3.1.so: cannot open shared object file: No such file or directory --> Add the directory containing libxerces-c-3.1.so to LD_LIBRARY_PATH.

OpenScientist OpenScientist as an AIDA implementation According to what had been agreed by the people of the AIDA group, you have first to setup the AIDA environment with : [bash]$ . ///aida-setup.sh export G4ANALYSIS_USE=1 then compile your module. (not related but looks interesting - http://www.openscience.org/blog/)