Black Swan Disaster Key Ring

Oops! Looks like the unexpected happened. This image of an atomic explosion photobombed by a black swan serves to illustrate the concept of a black swan disaster. Black swan is the term used to as a metaphor to describe a rare and unanticipated event. It’s based on the idea that all swans were assumed to be white until a black one was unexpectedly discovered in the wild. Nowadays you hear the term black swan applied to stock market crashes, epidemics & pandemics, wars and perhaps asteroid impacts.