Before his legendary proto-cinematic studies in motion, photographer Eadweard Muybridge was commissioned to document the United States Army’s war against the Modoc tribe in Northern California in a series of stereographs, many of them staged. Alternately unnerving, meditative, and explosive, Adam Piron’s Black Glass examines the entangled histories of visual technology and the genocide and expropriation of Indigenous populations by white settlers through a violent collision of image and sound.