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Innovation is often a consequence of science and engineering, although technology as a human activity precedes the two fields. For instance, science may study the flow of electrons in electrical conductors by utilizing already-existing tools and understanding. This new-found knowledge may then be used by engineers to create new tools and makers such as semiconductors, computers, and other forms of advanced technology.
The exact relations in between science and technology, in specific, have been disputed by scientists, historians, and policymakers in the late 20th century, in part since the argument can inform the financing of fundamental and used science. In the instant wake of World War II, for example, it was widely considered in the United States that technology was simply "used science" and that to money basic science was to reap technological results in due time.
This important brand-new understanding can be acquired only through fundamental clinical research study." In the late-1960s, however, this view came under direct attack, leading towards efforts to fund science for particular jobs (efforts withstood by the clinical community). The issue stays controversial, though most experts withstand the model that technology is a result of scientific research.
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Early humans developed from a species of foraging hominids which were currently bipedal, with a brain mass roughly one third of contemporary people. Tool use remained relatively the same for the majority of early human history. Roughly 50,000 years earlier, using tools and complex set of habits emerged, believed by numerous archaeologists to be connected to the emergence of fully modern language.
The earliest stone tools were little bit more than a fractured rock, but around 75,000 years back, pressure flaking supplied a way to make much finer work. The discovery and usage of fire, a simple energy source with numerous extensive usages, was a turning point in the technological evolution of mankind.
Fire, fueled with wood and charcoal, permitted early human beings to prepare their food to increase its digestibility, improving its nutrient worth and widening the variety of foods that might be eaten. Other technological advances made throughout the Paleolithic age were clothing and shelter; the adoption of both innovations can not be dated precisely, however they were a crucial to humanity's progress.