H-PhysicalSciences provides a communication channel and resource nexus for historians of the physical sciences. Its topical scope covers the physical sciences broadly understood, including but not limited to: physics; chemistry; earth, space, and atmospheric science; astronomy; and materials science. By linking these fields, H-PhysicalSciences encourages active dialogue between scholars studying a diverse range of topics with the goal of galvanizing the community in a way that promotes integration with the larger discipline of history of science.