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Nuclear explosion is a dangerous nuclear device that frees nuclear energy. A Nuclear explosion is a uncontrolled explosion that is a result of a collision of molecules that split apart the atom on the molecular level and emits electrons, protons and gamma radiation and causes a chain reaction as these particles collide with more atoms. This produces extreme temperature levels and shock waves. The gamma radition disappates away from the explosion and also is absorbed into the debris and smoke particles and this will travel with the wind to carry the radiation for many miles. This is called "fall out" as the particles will fall to earth and expose everything to deadly radiation levels. If the nuclear explsion is denoted under the ground on in Space the effects are different. In space, there is no atmosphere to transmit the heat and shock waves so most of the engery is dissapted in electrons and radiation. The protons/electrons will travel out and contact the earth's upper atmosphere over an area the size of the United States. The result of this collosion will be an electronic pulse that is transmitted to the earth. This Electro-Magnetic Pulse (EMP) will travel to the surface of the earth and damage or disable most electronic devices that are not protected. This protection is similar to lightning protection but it has to be covering the device from all exposure. The EMP will also impinge on long unprotected wires and transmite an electrical spike down the wire and can damage whatever device is on the other end.
