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  1. en.wikipedia.org › wiki › Dirty_bombDirty bomb - Wikipedia

    Since the 9/11 attacks, the fear of terrorist groups using dirty bombs has increased immensely, which has been frequently reported in the media. The meaning of terrorism used here, is described by the U.S. Department of Defense's definition, which is "the calculated use of unlawful violence or threat of unlawful violence to inculcate fear; intended to coerce or to intimidate governments or ...

  2. A thermonuclear weapon, fusion weapon or hydrogen bomb (H bomb) is a second-generation nuclear weapon design. Its greater sophistication affords it vastly greater destructive power than first-generation atomic bombs, a more compact size, a lower mass, or a combination of these benefits.

  3. About 500 bombs were detonated above-ground for tests before they were moved underground by treaty in 1963. Nuclear weapons continue to heavily influence global politics and alliances; as of 2020, there are thought to be about 13,000 remaining in the world.

  4. • Myth: Fallout radiation from a nuclear war would poison the air and all parts of the environment. It would kill everyone. (This is the demoralizing message of On the Beach and many similar pseudoscientific books and articles.) • Facts: When a nuclear weapon explodes near enough to the ground for its fireball to touch the ground, it forms ...

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