No. A nuclear weapon requires a critical amount of highly enriched fuel to be rapidly brought together to cause a sudden explosion. Nuclear plants use low enriched fuel which could never cause a nuclear explosion, and this fuel is dispersed through the reactor in any case so it could not suddenly come together.
Any nuclear plant explosions (like Chernobyl) are caused by the presence of high pressure steam and water circuits, not the fact of it being a nuclear plant, though certainly if there is an explosion of a pressure circuit and hence a loss of coolant, and disruption of the nuclear reactor, radioactivity may escape from the plant. This is the chief preoccupation of designers and operators, to keep the plant safe and prevent this ever happening.
A large enough body from space (comet, asteroid, meteor) that did not break up when coming through the Earth's atmosphere; a large sun flare or coronal blast; and a nuclear weapon detonation all have the ability to destroy entire cities and impair electronic communication systems.
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The time it takes for land to become rehabilitable after a nuclear explosion varies significantly based on factors like the size of the explosion, the type of nuclear weapon used, and the level of contamination. In some cases, areas may remain unsafe for human habitation for decades or even centuries due to radioactive fallout. However, localized clean-up efforts and natural decay of radioisotopes can lead to rehabilitation in a matter of years to decades. Ultimately, thorough assessment and remediation efforts are essential to determine when an area is safe for habitation.
Get a PhD Physics degree, study nuclear engineering while doing that. Apply for jobs at the weapons labs (Los Alamos, Livermore, Sandia), if they accept you they will apply for a clearance for you, the FBI will spend at least 2 years investigating at least 10 years of your life, if the FBI approves you you will sign a pile of NDAs, then you can begin your job. (tedious eh?)
Two knives stuck together with a rotating joint. Also a fierce weapon in the hands of a ninja.
It did explode, but this was due to a surge in steam pressure which blew off the top of the reactor, it was not a nuclear explosion as in a nuclear weapon.
No. LLNL even tested several Uranium-Hydride bombs in the 1950s. Even though their computer models said the devices should explode, none gave a nuclear yield. One could use the waste from the reactor as a Radiological Weapon, but the reactor itself is not useful as a weapon.
Maybe. If ABM was nuclear itself, it will probably cause fratricide in the warhead causing it to dud. If ABM is conventional it might detonate conventional explosives in warhead. Whether this produces yield or not depends on how safe the warhead was designed against one point detonation nuclear yield.
No, a nuclear weapon needs a specific geometry to detonate, and it has to be held in this position by very high explosives to keep it in this shape. In a nuclear reactor, if the reactor core goes critical then the force of the expanding coolant will blow the reactor apart, preventing a nuclear blast.
The meaning of the word nuclear weapon, is a weapon that has a nuclear warhead on it.
No, a cookie-induced nuclear power plant cannot explode like a nuclear weapon. Nuclear weapons rely on a controlled chain reaction to release an explosive amount of energy, whereas nuclear power plants use a controlled chain reaction to generate electricity. The mechanisms and processes of these two systems are fundamentally different.
This nuclear weapon is called an atomic bomb or a nuclear bomb
Nuclear weapon detonations
If by "bomb" you mean a conventional explosive weapon, then the nuclear weapon is more powerful.
An atomic bomb is a powerful explosive weapon that derives its destructive force from nuclear reactions. When detonated, it releases a massive amount of energy in the form of a nuclear explosion, causing widespread devastation and destruction in its blast radius.
nuclear chemicals such as plutonium
A daisy cutter is a type of conventional bomb that is designed to explode just above the ground, maximizing its effect on surface targets. It is not a nuclear weapon, but rather a large explosive device used in military operations for area denial and destroying enemy troops and equipment on the ground.