To better understand what this means, it is necessary to first explore some of the basic concepts associated with nuclear fission and fission based reactors prior to undertaking a more in-depth examination of the components that make up a nuclear reactor. The collision results in nuclear fission. Nobody knows! Scientists usually accomplish this task (for some controlled nuclear reactions) by bombarding a large isotope with a second, smaller one — commonly a neutron. Nuclei consist of nucleons (neutrons and protons), the total number of which is equal to the mass number of the nucleus. Nuclear fission - Nuclear fission - Fundamentals of the fission process: The fission process may be best understood through a consideration of the structure and stability of nuclear matter. Nuclear fusion – two smaller atoms are brought together, usually hydrogen or hydrogen isotopes (deuterium, tritium), to form a larger one (helium isotopes); this is how the sun produces energy. Nuclear fission is a process in nuclear physics in which the nucleus of an atom splits into two or more smaller nuclei as fission products, and usually some by-product particles. Nuclear fission occurs when a larger isotope breaks apart into two or more elements. You can check out the difference between the two in this infographic below. For heavier elements, fusion does not release energy. Nuclear fission produces the atomic bomb, a weapon of mass destruction that uses power released by the splitting of atomic nuclei. Fission and fusion are two physical processes that produce massive amounts of energy from atoms. The denser the element, the more energy it takes to break its nucleus apart. The nuclear fission of uranium-235 is shown in the following equation: […] When we cause nuclear fission or fusion, the nuclear binding energy can be released. At nuclear power plants across the country, highly trained workers monitor an ongoing chain reaction that generates heat and steam, which is … how does nuclear fission work, ... going that way--a nuclear fission chain reaction. Nuclear fission produces insane amounts of ... confirmed a "partial" meltdown. This is how nuclear fission and fusion can be used to produce electricity. How Does it Work? When large nuclei, such as uranium-235, fissions, energy is released. The principles of nuclear power were formulated by physicists in the early 20th century. Today, more than 400 commercial reactors operate in more than 30 countries . Nuclear fission is the process of splitting apart nuclei (usually large nuclei). In 1939, German scientists discovered the process of fission, triggering a race with US scientists to use the incredible power of fission to create a bomb. What does that mean? But how do nuclear reactors work exactly? The common definition for nuclear energy is the energy released by a chain reaction, especially by fission or fusion. The Ringhals Nuclear Power Plant, home to four reactors capable of generating 20% of Sweden’s electricity demand (Image: Vattenfall) A nuclear reactor is driven by the splitting of atoms, a process called fission, where a particle (a ‘neutron’) is fired at an atom, which then fissions into two smaller atoms and some additional neutrons. Our largest source of clean energy uses a process you can’t see: fission. Nuclear energy provides efficient and reliable electricity around the world. The Atomic Bomb. The McMaster Nuclear Reactor is a medium flux nuclear fission reactor with a light water moderator and an open pool design. They yield millions of times more energy than other sources through nuclear reactions. 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