Physics of the CosmosXR SIG Seminar X-ray Science Interest GroupFuture of X-ray Astrophysics Series XR SIG about XR SIG Seminar Location Virtual Dates 7 August 20261:00pm – 2:00pm ET Community XR SIG Type SeminarA TDAMM Mission Concept Offered by the X-ray Timing Science Analysis Group: the Dynamic Extreme Universe in X-rays (DEUS-X) MachineSpeakersTom MaccaroneKrista Lynne SmithZaven ArzoumanianAbstract"X-ray timing" is about so much more than lightcurves. It's about watching, in real time, the physics of dynamic, often explosive, phenomena play out before us, via time-dependent spectroscopy on scales spanning microseconds to years. Realizing this objective requires capabilities that include wide-field surveys for X-ray transients as well as rapid multiwavelength follow-up of both the survey detections and multi-messenger alerts from elsewhere. We describe the most compelling science questions that are addressed by high-throughput, high-cadence X-ray spectroscopy and responsive transient follow-up — from exoplanet-hosting flaring stars to star-devouring supermassive black holes. Seminar ConnectionJoin the Seminar