PANOSETI is designed to detect any optical (visible light) transient phenomena. These transient events could be bursts of light lasting from a nanosecond (a billionth of a second!) to seconds. There are a range of compact astrophysics objects — merging black holes and neutron stars, supernova events, accreting supermassive black holes — that could potentially generate bright flashes of optical light. These transient, bright astrophysical events are rare in occurrence and difficult for traditional optical telescopes to discover, given their small sky coverage. A dedicated observatory that is taking nanosecond images over thousands of square  degrees will have the capability to make such discoveries.