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. tvb now,tvbnow,bttvb1 A7 t: ~# B2 g; y* i
tvb now,tvbnow,bttvb( G- P& Q% @" U
the possibiolity is endless which will make it impossible to repeat the experiment. |
發表於 2011-6-24 09:56 AM
| 
發表於 2011-6-24 08:23 PM
| 
