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.
8 M" d7 {/ o L: W2 O3 v& k7 U. btvb now,tvbnow,bttvb) w6 s3 c4 z$ _# K, S
the possibiolity is endless which will make it impossible to repeat the experiment. |