The proliferation of nuclear weapons, both by state and non-state actors, represents one of the greatest threats to international security and world affairs. A nuclear weapon is an explosive device that derives its destructive power from nuclear reactions. Nuclear weapons are the most harmful weapons ever created. There are two ways to make nuclear weapons: Say no to plagiarism. Get a tailor-made essay on "Why Violent Video Games Shouldn't Be Banned"? Get an original essay 1. fissile weapons (also called atomic bombs or bombs) and 2. fusion weapons (also called hydrogen bombs, H-bombs, or thermonuclear weapons). The way nuclear detonation energy is different in these nuclear manufacturing technologies. Nuclear fission produces the atomic bomb, a weapon of mass destruction that exploits the force released by the division of atomic nuclei. When a free neutron hits an atomic nucleus of radioactive material such as uranium or plutonium, it hits two or three other neutrons for free. Nuclear weapons are nuclear energy power, nuclear energy used for 2 purposes; one is the civil purpose and the other is the military purpose. The use of nuclear energy for civilian purposes is not prohibited. In the 1950s, attention shifted to the peaceful purposes of nuclear fission and its control over energy production. Today the world produces much electricity from nuclear energy, as it did from all sources combined in the early years of nuclear energy. But there are also some nations that use it for military purposes. nations have nuclear weapons to demonstrate their military might. “The nine nations that have nuclear weapons. Only five out of nine nations have legally recognized nuclear weapons. North Korea claimed to have carried out its first successful test of a hydrogen bomb, but which other nations have nuclear warheads. According to a report by the Stockholm International Peace Research Institute (SIPRI), only nine nations worldwide have access to nuclear weapons. In total, there are believed to be approximately 16,300 nuclear weapons spread across these nine nations. The United States, Russia, the United Kingdom, France, China, North Korea, India, Pakistan, and Israel all control some nuclear weapons. Russia and the United States share 93% of all nuclear warheads, but have been asked to reduce the number of weapons they have under the New START treaty (Treaty on Measures to Further Reduce and Limitate Offensive Weapons strategic).” (http://www.independent.co.uk/news/world/politics/the-nine-countries-that-have-nuclear-weapons-a6798756.html cited on 16 January 2018) according to this news, there are nine nations that have nuclear weapons. The main problem of nuclear weapon is the disruption of the balance of power between nations. In essence, the balance of power is a kind of international order. But theorists differ from the normal functioning of the balance of power. Structural realists describe an “automatic version” of the theory since system equilibrium is an automatic, self-regulating, and unintended consequence of countries struggling to achieve their own narrow interests. Previous versions of the balance of power were more consistent with the "semi-automatic" theoretical formula, which required a "balancing" state to throw its weight on one side or the other of the scales, whichever was more light, to adjust the balance of power. system. The process of balance is a function of human coexistence, with emphasis on the skill of diplomats and statesmen, on the sense of community of nations, on shared responsibility, on the desire and need formaintain the balance of the energy system. But because of this nuclear weapon, this balance is disrupted. Because of these nuclear weapons, neighboring nations are more affected if another closer country has nuclear weapons. For example, if India has a nuclear weapon, Sri Lanka, Pakistan and other nearby nations are more affected by India's nuclear weapon. Another problem is that if terrorists have nuclear weapons, the problems would be manifold . For example, during the LTTE period, if they have weapons, it is difficult to beat them by the Sri Lankan army and many problems may arise. “The threat posed by terrorists attempting to launch a nuclear attack that would “change our world” is real, President Barack Obama said. The world has taken "concrete" measures to prevent nuclear terrorism, he told the nuclear security summit in Washington. But the fact that the so-called Islamic State (ISIS) is acquiring a nuclear weapon represents "one of the greatest threats to global security", he added. More than 50 nations were represented at the summit." (BBC News 02 April 2016). It shows how the problem would arise if terrorists had nuclear weapons. The Nuclear Non-Proliferation Treaty (NPT) is an essential element of the global nuclear non-proliferation regime and establishes a comprehensive, legally binding framework based on three principles. 1. States that have not possessed nuclear weapons since 1967 – one year before the treaty was opened for signature – undertake not to acquire them. 2. it is known that the five States have tested nuclear weapons since 1967 - the States equipped with nuclear weapons - so as not to help other States to acquire them and advance towards final disarmament; and 3. Ensure access of non-nuclear-weapon States to civil nuclear technology and energy development. The goal of the NPT is to prevent the proliferation of nuclear weapons and weapons technology, promote the peaceful uses of nuclear energy, and advance the goal of disarmament. The Treaty establishes a safeguards system under the responsibility of the IAEA, which also plays a central role under the Treaty in the areas of technology transfer for peaceful purposes. This treaty was signed on July 1, 1968 and came into force on March 5, 1970. In any case, most nations (1960 nations) signed this treaty. But there are 5 nations that have not signed this treaty. India, Israel, Pakistan, North Korea and South Sudan have not signed this treaty. It is one of the weak points of the treaty. Scientists should be interested in the proliferation of nuclear weapons and see the role technology can play in mitigating the threat. While it is natural for scientists to want to simplify the problem so that it seems concrete and solvable, forming a very simple global model can lead to inappropriate, wasted, and even counterproductive solutions. Nuclear weapons tensions over the decades have simplified problem models, giving us some simple answers. Nuclear proliferation concerns should place limits on the growth of nuclear energy, but there are no quick reforms to the proliferation problem. Unfortunately, scientists are the worst criminals seeking easy answers through technological reform. During the 1960s, this model led many physicists and others to predict that there would be 20 or more nuclear-weapon states by 1980. The failure of this prediction in the early 1980s led to a reevaluation of this model . The main problem with the original model is that there is no essential need for states to produce nuclear weapons. For most states, the.