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  1. May 5, 2024 · Nuclear weapon, device designed to release energy in an explosive manner as a result of nuclear fission, nuclear fusion, or a combination of the two. Fission weapons are commonly referred to as atomic bombs, and fusion weapons are referred to as thermonuclear bombs or, more commonly, hydrogen bombs.

  2. There are other types of nuclear weapons as well. For example, a boosted fission weapon is a fission bomb that increases its explosive yield through a small number of fusion reactions, but it is not a fusion bomb. In the boosted bomb, the neutrons produced by the fusion reactions serve primarily to increase the efficiency of the fission bomb.

  3. e. Nuclear warfare, also known as atomic warfare, is a military conflict or prepared political strategy that deploys nuclear weaponry. Nuclear weapons are weapons of mass destruction; in contrast to conventional warfare, nuclear warfare can produce destruction in a much shorter time and can have a long-lasting radiological result.

    • What Is A Nuclear Weapon?
    • How Do Nuclear Weapons Differ from Conventional Weapons?
    • Brief History of Nuclear Weapons
    • Delivery Methods

    A nuclear weapon is a device which rapidly releases nuclear energy, either through fission (as in the bombs dropped on Hiroshima and Nagasaki) or a combination fission and fusion (as in a thermonuc...

    Nuclear weapons use fissionable materials to fuel an explosion, whereas conventional weapons do not. Only a relatively few radioactive materials are fissionable, such as Plutonium-239 or Uranium-23...

    The United States tested the first atomic weapon on July 16, 1945 (the “Trinity Test”). One month later, the U.S. dropped the “Little Boy” and “Fat Man” nuclear bombs on Hiroshima and Nagasaki.
    The Soviet Union tested its first nuclear device in 1949. At its peak in the 1960s, the United States maintained approximately 30,000 nuclear warheads; during the 1980s, the Soviet Union had over 4...
    There are now nine states that possess nuclear weapons—the United States, Russia, the United Kingdom, France, China, India, Pakistan, Israel and North Korea.
    The Nuclear Non-Proliferation Treaty (NPT) has 189 signatories and came into force in 1970. It calls upon the five recognized nuclear weapons states—the United States, Russia, the United Kingdom, F...
    Missiles:Nuclear warheads can be delivered on short, intermediate, or long-range (intercontinental ballistic missile—ICBM) missiles.
    Bombers:The majority of nuclear weapons dropped from bombers such as the US B61, are gravity bombs. Nuclear weapons can also be delivered from bombers as air-launched cruise missiles.
    Submarines:Equipped submarines (SSBNs) can deploy submarine launched ballistic missiles (SLBMs).
    The United States deploys all three delivery systems in its nuclear arsenal, which is referred to as a nuclear triad. Not all nuclear armed-states deploy their forces in this way. For example, Fran...
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  5. The world’s nuclear powers have more than 12,000 nuclear warheads. These weapons can kill millions directly and, through their impact on agriculture, likely have the potential to kill billions. Nuclear weapons killed between 110,000 and 210,000 people when the United States used them against the Japanese cities of Hiroshima and Nagasaki in ...

  6. Sep 6, 2017 · An atomic bomb, codenamed "Little Boy," was dropped over Hiroshima Japan on August 6, 1945. The bomb, which detonated with an energy of around 15 kilotons of TNT, was the first nuclear weapon ...

  7. Sep 29, 2016 · Nuclear weapons use that energy to create an explosion. Modern nuclear weapons work by combining chemical explosives, nuclear fission, and nuclear fusion. The explosives compress nuclear material, causing fission; the fission releases massive amounts of energy in the form of X-rays, which create the high temperature and pressure needed to ...

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