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Created page with "== Introduction == Thermodynamics is a branch of physics that deals with the relationships between heat and other forms of energy. It involves the study of the internal motions of the atoms and molecules, or microscopic constituents, of substances related to the heat or thermal energy of the substances. It also deals with how energy is transferred in natural processes. Image:Detail-21266.jpg|thumb|center|A steam engine in operation, showing the conversio..."
