The Doomsday Clock (2006)

Developed in 1947 as an image to symbolize urgency in the Cold War and the threat of nuclear disaster the mission of the Doomsday Clock has expanded to include nonnuclear global security issues Maintained by the Board of Directors of the Bulletin of the Atomic Scientists its based at the University of Chicago In response to world events they move the clocks minute hand closer to or away from midnightdoomsday In this hour we cover the clocks history its effectiveness and its critics