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technology

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                                                       technology Technology  is the application of  knowledge  for achieving practical  goals  in a  reproducible  way. [1]  The word  technology  can also mean the products resulting from such efforts, [2] : 117  [3]  including both tangible  tools  such as  utensils  or  machines , and intangible ones such as  software . Technology plays a critical role in  science ,  engineering , and  everyday life . Technological advancements have led to significant changes in  society . The earliest known technology is the  stone tool , used during  prehistoric times , followed by the  control of fire , which contributed to the  growth  of the  human brain  and the developme...