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Graphic shows key components of a hydrogen bomb.
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NUCLEAR

What is a hydrogen bomb?

By Jordi Bou

September 4, 2017 - North Korea says it tested a hydrogen bomb that can fit on a long-range missile. A hydrogen bomb, or thermonuclear weapon, uses the energy from a primary fission bomb to ignite a secondary nuclear fusion reaction. The result is the most destructive weapon ever created by man.

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PUBLISHED: 04/09/2017; STORY: Graphic News
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