# #Mon Aug 09 11:51:18 CEST 2010 Text__pPJe0KObEd-WfYQ0GneCwQ_title= Text__pPJe0KObEd-WfYQ0GneCwQ_text=Einstein welcomes Schr\u00F6dinger's wave mechanics as an advance on Heisenberg-Born's matrix mechanics. On the one hand it is much clearer, because it works with waves instead of abstract algebra. On the other it seems to Einstein to be deterministic, and therefore the salvation of the causality principle.