With its high energy yields, low nuclear waste production, and lack of air pollution, fusion, the same source that powers stars, could provide an alternative to conventional energy sources. Nuclear power plants use a certain kind of uranium, referred to as U-235, for fuel because its atoms are easily split apart. Nuclear fuel—uranium . The researchers claimed that heat – which could only be explained in terms of nuclear processes – was produced, as well as fusion byproducts, including helium, tritium and neutrons. In fission, a heavy nucleus is split into smaller nuclei. In fission, an atom is split into two or more smaller, lighter atoms. Nuclear energy can also be released by fusion of two light elements (elements with low atomic numbers). Nuclear fusion is essentially the opposite of nuclear fission. This fusion releases 17.6 MeV of energy. Since the 1930s, scientists have known that the Sun and other stars generate their energy by nuclear fusion. Other experimenters failed to replicate this, however, and most of the scientific community no longer considers it a … Nuclear fusion can pro­vide a safe, clean energy source for future generations with several advantages over current fission reactors: Abundant fuel supply - Deuterium can be readily extracted from seawater, and excess tritium can be made in the fusion reactor itself … Nuclear fusion is the process of making a single heavy nucleus (part of an atom) from two lighter nuclei.This process is called a nuclear reaction.It releases a large amount of energy.. Uranium is the fuel most widely used by nuclear plants for nuclear fission. Uranium is considered a nonrenewable energy source, even though it is a common metal found in rocks worldwide. In the core, pressures and temperatures are high enough to force fusion, that is, nuclear reactions whereby some nuclei merge to make others. The nucleus made by fusion is heavier than either of the starting nuclei. On the sun, in a series of nuclear reactions, four isotopes of hydrogen-1 are fused into […] In a hydrogen bomb, two isotopes of hydrogen, deuterium and tritium are fused to form a nucleus of helium and a neutron. Nuclear Fusion. Fusion, in contrast, occurs when two or more smaller atoms fuse together, creating a larger, heavier atom. The use of nuclear fusion reactions for electricity generation remains theoretical. Everything You Should Know About Nuclear Fusion, Explained in Six Minutes. By Eric Limer. It is the type of reaction that powers a hydrogen bomb. Fusion reactor, also called fusion power plant or thermonuclear reactor, a device to produce electrical power from the energy released in a nuclear fusion reaction. A colorful primer on the power source that could change everything. The power that fuels the sun and the stars is nuclear fusion. Fusion Milestone. 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