February 2014

Monthly Archives

  • NuclearMaterial

    Nuclear materials

    The good news about nuclear bombs is that only two elements can be used induce a nuclear explosion: plutonium (Pu) and highly enriched uranium (HEU). While securing and detecting these materials is a herculean task, at least the field of materials is narrowed. First, a refresher crash course in chemistry: An element is a substance […]