20 thousand tons of TNT

83 thousand tons of TNT

5 million tons of TNT


These secret maps were used to explain to the members of the Congressional Joint Committee on Atomic Energy (JCAE) the effects of the newest weapon developed by the United States, the hydrogen bomb, by superimposing the effects on a map of Washington, DC:


- 20 kilotons (Nagasaki-sized bomb)
- 83 kilotons (early 1950s atomic bomb)
- 5 megatons (hydrogen bomb)

Via reddit
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Alex E

“Maps are like campfires – everyone gathers around them, because they allow people to understand complex issues at a glance, and find agreement about how to help the land.”