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. ; { t5 ]+ _9 J- i
1 \4 x- s# I L8 @+ a. vtvb now,tvbnow,bttvbthe possibiolity is endless which will make it impossible to repeat the experiment. |