The Doomsday Clock
The doomsday clock is a symbolic clockface intended to show that the closer the clock is to midnight, the closer the world is to global disaster. It originated in 1947 and is maintained by the Bulletin of Nuclear Scientists at the University of Chicago. It originally represented the threat of global nuclear war but since 2007 has been used as a measure of climate changing disaster. As at January 2010, the time currently stands at 6 minutes to midnight. It has changed 19 times since it was created with the closest time recorded to midnight being 11.58pm in 1953 when the USA and Soviet Union both tested nuclear devices within 9 months of each other
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