As an organic chemist, I am willing to deal with the occasional bang or kapow in the lab, as long as things don't get too out of hand. You're supposed to know enough to be on guard against the sorts of compounds most likely to do that and be ready for them in case they decide to make the thermodynam
I remember in high school we were doing some simple experiments with calcium metal. I borrowed some from my neighbors, we pooled-it and I dropped the pieces in the sink, covering the sink with foil. Next, turned-on the water, waited a little bit, and dropped-in a match. Ka-Pow!