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Have you ever heard of the term “nuclear?” What does nuclear mean? Nuclear is an action that involves the science of studying and manipulating the nucleus of an atom. If you remember from past science lessons, an atom is the very basic unit of all matter. It contains a dense central nucleus that is surrounded by a cloud of negatively charged electrons. The nucleus has proven to be an extremely powerful weapon, as well as a powerful friend to mankind.
Nuclear or more specifically nuclear energy can be broken down into two separate areas, i.e., nuclear fusion and nuclear fission.
Both of these involve the extraction of energy by manipulating the nucleus of an atom. However, fusion is the joining together two or more atoms to make one large atom and fission is splitting one atom apart into two or more smaller atoms. In fact, fusion means a merging of separate elements into a unified whole while fission means a splitting or breaking up into parts.