Mike, although not at all scientific, that experiment has great value when shown to young people who may be handling firearms. Real life scenarios that can get real people injured terribly or killed are indeed needed. Young folks think they are invincible and immortal and first hand obvious and unsubtle demonstrations are often the only thing that can change their minds. They need to hear the sound and see the light and the damage that inattention can cause. It is one of the roads to safe gun handling.