There are several types of nuclear weapons, and almost all of the bombs. Their firepower is devastating than that of any conventional chemical explosive: the power of nuclear weapons is measured in fact kilotons (kt) and Megaton (Mt), respectively, in thousands and millions of tons of TNT necessary to release the same energy. The atomic bomb
or bomb, the first to be built, uses a fission reaction of uranium and plutonium, and can reach power ranging from 0.5 kilotons to 1.5 megatons, with a critical threshold identified around 10 megatons . The
hydrogen bomb or H bomb instead uses the fusion of nuclei deuterium and tritium , allowing them to release more energy: this type of bombs are the most powerful ever and come to unleash even powers to 100 megatons, though they can reach (via theoretical) power to order the stars. The
or neutron bomb neutron bomb, as the H-bomb is a fission bomb fission-fusion-but unlike it is designed to release most of its energy as radiation ( fast neutrons).
addition to these three main types of nuclear weapons, has been studied another class of nuclear bombs, the so-called dirty bombs (more correctly known as radiological weapons): This is essentially a non-fissile radioactive material (and therefore can not explode ) treated to make it very volatile and explosive charge associated with a conventional, low power, which has the task of dispersing the radioactive material into the environment, contaminate people and property. The purpose of this device is not to do serious damage to property or persons (the explosive power is small, and the amount of radioactive material released generally modest) but to create alarm and panic among the population, subjected to a potential threat invisible radioactive , although in many cases, the real danger of these radioactive weapons is very low.
As you can imagine, a dirty bomb would be the ideal weapon for terrorists: it can be prepared with radioactive material is not "fine", and therefore much more readily available than the plutonium ol ' enriched uranium, and certainly not requires specific scientific knowledge but those are very common, to build a conventional bomb.
or bomb, the first to be built, uses a fission reaction of uranium and plutonium, and can reach power ranging from 0.5 kilotons to 1.5 megatons, with a critical threshold identified around 10 megatons . The
hydrogen bomb or H bomb instead uses the fusion of nuclei deuterium and tritium , allowing them to release more energy: this type of bombs are the most powerful ever and come to unleash even powers to 100 megatons, though they can reach (via theoretical) power to order the stars. The
or neutron bomb neutron bomb, as the H-bomb is a fission bomb fission-fusion-but unlike it is designed to release most of its energy as radiation ( fast neutrons).
addition to these three main types of nuclear weapons, has been studied another class of nuclear bombs, the so-called dirty bombs (more correctly known as radiological weapons): This is essentially a non-fissile radioactive material (and therefore can not explode ) treated to make it very volatile and explosive charge associated with a conventional, low power, which has the task of dispersing the radioactive material into the environment, contaminate people and property. The purpose of this device is not to do serious damage to property or persons (the explosive power is small, and the amount of radioactive material released generally modest) but to create alarm and panic among the population, subjected to a potential threat invisible radioactive , although in many cases, the real danger of these radioactive weapons is very low.
As you can imagine, a dirty bomb would be the ideal weapon for terrorists: it can be prepared with radioactive material is not "fine", and therefore much more readily available than the plutonium ol ' enriched uranium, and certainly not requires specific scientific knowledge but those are very common, to build a conventional bomb.
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