The Doomsday Clock is a symbolic clock face, representing a countdown to possible global catastrophe and has been maintained since 1947 by the members of the Science and Security Board of the Bulletin of the Atomic Scientists and according to their website, the minute hand represents “how close we are to destroying our civilization with dangerous technologies of our own making,” with midnight equaling destruction…
Scientists behind a “Doomsday Clock” that measures the likelihood of a global cataclysm say the world is still under grave threat.
Associated Press