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Air molecules (such as oxygen) are faster than liquid molecules (such as water) which are faster than solid states molecules (such as metal). By increasing the temperature of a substance we get an higher speed of its atoms and molecules. By decreasing the temperature we get a slower speed of the molecules. At -273o C all molecules and atoms have 0 speed. Simulated Annealing is inspired from metallurgy and it is used for building stronger pieces of metal. The pieces are first heated and then left to slower cooling. By heating the atoms are moving faster through the metal. By a slower cooling the atoms tend to align to most stable positions. In this way the structure of the metal becomes stronger. |