Nuclear Worries
Big Picture Science
00:00
The Doomsday Clock
Zoomsday clock first appeared on cover of the Bulletin magazine in 19 forty seven. It's a tool for the public, an easily appreciated indicator of how close society is to nuclear armagedden. The bulletin continues to be advised by a team of experts in all the fields it covers - including nuclear weapons and nuclear energy. They determine where the hands on its now famous doomsday clock are set.
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