Technology is usually a consequence of science and engineering

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Technology is usually a consequence of science and engineering, though know-how as a human activity precedes the two fields. For instance, science might research the move of electrons in electrical conductors through the use of already-existing tools and knowledge. This new-found data could then be used by engineers to create new instruments Phòng xông hơi khô and machines similar to semiconductors, computer systems, and different types of superior know-how. In this sense, scientists and engineers could both be considered technologists; the three fields are sometimes thought-about as one for the purposes of analysis and reference.

Tool use remained relatively unchanged for many of early human historical past. Approximately 50,000 years in the past, using instruments and a posh set of behaviors emerged, believed by many archaeologists to be connected to the emergence of totally fashionable language. The word "know-how" can be used to refer to a group of strategies. When mixed with one other time period, such as "medical know-how" or "area technology," it refers again to the state of the respective area's knowledge and tools. "State-of-the-art know-how" refers back to the high expertise obtainable to humanity in any subject. The time period "expertise" rose to nước rửa tay sát khuẩn prominence within the twentieth century in reference to the Second Industrial Revolution.

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The notion of applicable expertise was developed in the 20th century by thinkers such as E.F. Schumacher and Jacques Ellul to describe situations where it was not fascinating to use very new technologies or those who required entry to some centralized infrastructure or components or skills imported from elsewhere. The use of the term "know-how" has modified considerably during the last 200 years. Before the 20th century, the time period was unusual in English, and it was used both to check with the outline or examine of the useful arts or to allude to technical schooling, as in the Massachusetts Institute of Technology . Technology can be the knowledge of methods, processes, and the like, or it can be embedded in machines to permit for operation with out detailed information of their workings. Systems (e.g. machines) applying expertise by taking an input, changing it based on the system's use, and then producing an consequence are known as technology methods or technological methods.

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Modern expertise more and more relies on coaching and schooling – their designers, builders, maintainers, and users typically require refined general and specific training. Moreover, these technologies have turn into so complicated that complete fields have developed to help them, including engineering, medicine, and computer science; and other fields have become more advanced, similar to building, transportation, and architecture. The use of tools by early people was partly a means of discovery and of evolution. Early humans advanced from a species of foraging hominids which had been already bipedal, with a brain mass roughly one third of modern people.