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. + M/ G; i; w; V. N. \8 M
tvb now,tvbnow,bttvb7 r8 ]% e# I, H! e2 O4 F" }4 p
the possibiolity is endless which will make it impossible to repeat the experiment. |