Nuclear weapon - Wikipedia
Weapons of mass destruction. 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.
Nuclear weapon | History, Facts, Types, Countries, Blast Radius ...
2024年10月12日 · 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 the two processes.
Nuclear Weapons - Our World in Data
Nine countries currently have nuclear weapons: Russia, the United States, China, France, the United Kingdom, Pakistan, India, Israel, and North Korea. These nuclear powers differ a lot in how many nuclear warheads they have. The chart shows that while most have dozens or a few hundred warheads, Russia and the United States have thousands of them.
History of nuclear weapons - Wikipedia
A nuclear weapon, also known as an atomic bomb, possesses enormous destructive power from nuclear fission, or a combination of fission and fusion reactions. Background.
Nuclear weapon - Radiation, Fallout, Destruction | Britannica
2024年10月12日 · Nuclear weapons are fundamentally different from conventional weapons because of the vast amounts of explosive energy they can release and the kinds of effects they produce, such as high temperatures and radiation.
Nuclear warfare - Wikipedia
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.
Only way to end nuclear risk ‘is to eliminate nuclear weapons ...
2023年9月25日 · The Treaty on the Non-Proliferation of Nuclear Weapons (NPT) not only binds those ratifying it to stop the spread, it also encourages peaceful nuclear energy use, and disarmament. It's the only...
How the advent of nuclear weapons changed the course of history
2020年7月15日 · In the 75 years since the first successful test of a plutonium bomb, nuclear weapons have changed the face of warfare. Here, troops in the 11th Airborne division watch an atomic explosion at...
Atomic bomb | History, Properties, Proliferation, & Facts | Britannica
2024年10月11日 · atomic bomb, weapon with great explosive power that results from the sudden release of energy upon the splitting, or fission, of the nuclei of a heavy element such as plutonium or uranium.
How Many Nuclear Weapons Exist, and Who Has Them?
2022年3月22日 · Nuclear weapons analysts estimate that the world’s nine nuclear states—China, France, India, Israel, North Korea, Pakistan, Russia, the United Kingdom and the United States—have around ...