The term dirty bomb also refers to any nuclear weapon that generates a lot of radioactive waste, such as early nuclear weapons. Less damaging materials, such as radium or certain cesium isotopes used in medical treatments are easier to acquire. The most deadly materials, including weapons-grade plutonium or uranium or freshly spent nuclear fuel, are the most difficult to obtain. In a particularly harsh scenario, according to Bruce Blair of the Center for Defense Information, a truck bomb with 100 pounds of one-year-old spent nuclear fuel, when detonated, would create an acute health threat in the radius of a few city blocks.Įxperts say that building a dirty bomb is not difficult but obtaining the radioactive material is. “The use of a radiological weapon would result in many deaths in traffic accidents as people flee the scene, and possibly stress- and anxiety-induced heart attacks,” Andrew Karam, radiation safety officer of the University of Rochester in Rochester, NY, told Inside Science News Service. Although they are not considered traditional weapons of mass destruction, dirty bombs can incite mass panic and can cause severe economic consequences due to costly clean up. The conventional explosive is likely to cause more severe damage than any radiation poisoning due to the low levels of radiation present in the bomb. However, most analysts say that the use of a dirty bomb is more psychological than physical. It can be difficult to clean up and such nuclear waste can render an area uninhabitable for decades. This radioactive material contaminates the area in which the bomb exploded. They work by producing minimal blast and heat but releasing high amounts of radiation.ĭirty bombs, also known as radiological weapons, are usually considered non-nuclear bombs that when detonated spread radioactive material. Neutron bombs, also called enhanced radiation warheads, are weapons that can be used effectively against tank and infantry formations on a traditional battlefield yet won’t impact nearby towns or cities within a few miles. Small thermonuclear weapons are called neutron bombs. Although they can be much more destructive than atomic bombs, hydrogen bombs are also much more difficult to create. was the first nation to successfully test a 10 MT fusion bomb. These weapons can be thousands of times more powerful than atomic bombs and are measured in yield equal to megatons of TNT and yet they can be made small enough to fit in a ballistic missile warhead or an artillery shell that can be carried. Radioactive fallout, or the release into the environment of highly unstable fragments or byproducts of fission such as cesium-137 and strontium-90, can poison living creatures and contaminate air, water and soil for hundreds of years. Like atomic bombs, the explosion of an H-bomb produces a blast that can destroy structures within a radius of several miles, extreme heat that can spark firestorms and intense white light that can induce blindness. They are nearly all achieved through the initial detonation of an atomic bomb. (Nuclei of the hydrogen isotopes tritium or deuterium are fused.) This fusion requires incredibly high temperatures. Thermonuclear weapons, often referred to as Hydrogen bombs or H-bombs, are nuclear weapons in which their extreme explosive powers are obtained through the process of nuclear fusion – the process of forming a heavier nucleus from two lighter ones. Compact atomic bombs directed to hit a city directly could still cause casualties in the hundreds of thousands, if not millions. However, over time atomic weapons, which basically followed the Nagasaki Fat Man design, began to get smaller and lighter with greater yield, becoming more efficient. 6, 1945 with a yield of 15 KT and the second, Fat Man, was dropped on Nagasaki, Japan on Aug. is the only country to have used an atomic bomb in war - the first, nicknamed Little Boy, was dropped on Hiroshima, Japan on Aug. They are expressed in millions of tons of TNT or megatons (MT). This is in contrast to the much larger thermonuclear or hydrogen bombs, which can be a thousand times bigger than atomic bombs. Fission, or atomic bombs, can be as small as one kiloton (KT) of explosive power or as large as several hundred kilotons. The enormous amount of nuclear energy that is released by this process produces a large amount of heat and electricity.Ī nuclear weapon’s explosive power is measured in yield, which is expressed in tons of TNT.
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