위키백과 ― 우리 모두의 백과사전.
Graph showing the changes in the time of the Doomsday Clock of the Bulletin of the Atomic Scientists.
Numbers at left refer to the "minutes to midnight" (nuclear war) as the values of the clock are usually expressed. At right are the raw times, if anyone cares. The little mushroom cloud is meant to remove any ambiguity about which direction is more positive.
[edit] License
Use of this work which I have created is allowed under the terms of the CC-BY-SA license (see below). Credit must be given to "Wikimedia Commons." You can contact me if you would like to negotiate other licensing terms (which I am generally happy to do). Those who wish to use this in the course of teaching may do so without any limitations. --Fastfission
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