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A nuclear explosion is an explosion that occurs as a result of the rapid release of energy from a high-speed nuclear reaction.The driving reaction may be nuclear fission or nuclear fusion or a multi-stage cascading combination of the two, though to date all fusion-based weapons have used a fission device to initiate fusion, and a pure fusion weapon remains a hypothetical device.
5 days ago · 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 processes. Fission weapons are commonly referred to as atomic bombs. Fusion weapons are also referred to as thermonuclear bombs or, more commonly, hydrogen bombs; they are usually defined as ...
- What is a nuclear weapon?A nuclear weapon is a device designed to release energy in an explosive manner as a result of nuclear fission, nuclear fusion, or a combination of...
- Are there treaties to control the proliferation of nuclear weapons?Concerns about the devastating effects of nuclear weapons have driven governments to negotiate arms control agreements. Some of the earliest ones i...
- When was a nuclear weapon first tested?The first test of a nuclear weapon occurred in the United States on July 16, 1945, at the Alamogordo Bombing Range in south-central New Mexico. The...
- Which country had the most nuclear weapons?The Soviet Union had the most nuclear weapons during the Cold War. The Soviet stockpile reached a peak of about 33,000 operational warheads in 1988...
A nuclear weapon [a] is an explosive device that derives its destructive force from nuclear reactions, either fission (fission bomb) or a combination of fission and fusion reactions ( thermonuclear bomb ), producing a nuclear explosion. Both bomb types release large quantities of energy from relatively small amounts of matter.
Aug 1, 2023 · The resulting fission explosion is devastating: It was fission bombs, sometimes known as atomic bombs or A-bombs, that destroyed Hiroshima and Nagasaki, Japan, with the force of between 15 ...
A nuclear blast, produced by explosion of a nuclear bomb (sometimes called a nuclear detonation), involves the joining or splitting of atoms (called fusion and fission) to produce an intense pulse or wave of heat, light, air pressure, and radiation. The bombs dropped on Hiroshima and Nagasaki, Japan, at the end of World War II produced nuclear ...
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Mar 1, 2022 · Development of a nuclear bomb, using U-235 as the fuel, proceeded quickly. Because of its importance in the design of a nuclear bomb, let's look at U-235 more closely. U-235 is one of the few materials that can undergo induced fission. That means, instead of waiting more than 700 million years for uranium to naturally decay, the element can be ...
Jul 21, 2012 · 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-235. In addition to their sheer destructive power, nuclear weapons also threaten human life through the radioactive fallout they disperse.
