... closed because of the probability of one occurring. In spite of a demand for the product, manufacturers are reluctant to engage in the production of the material because of the history of problems ... background into the practical world of high-energymaterials, Chemistry of Pyrotechnics: Basic Principles and Theory, SecondEdition emphasizes basic chemical principles alongside practical, hands-onknowledge ... scale of atomic weights (as the weighted average of all forms, or isotopes, of a particular element found in nature) has been developed. The base of this scale is the assignment of a mass of 12.0000...