mrfusion

for the glass fragment to strike her, the glass has to be smash at a precise speed and precise angle with a precise orientation, and possibly if the glass has any pre-existing defect. + [, p( I' v7 R+ Y/ c; z* Y: a
2 J5 s& `+ r# }+ U! h
the possibiolity is endless which will make it impossible to repeat the experiment.