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In this sense, researchers and engineers might both be considered technologists ; the three fields are frequently thought about as one for the purposes of research and reference. The precise relations between science and technology, in particular, have actually been disputed by researchers, historians, and policymakers in the late 20th century, in part due to the fact that the debate can notify the financing of basic and applied science.
An articulation of this philosophy might be found explicitly in Vannevar Bush's writing on postwar science policy, Science The Endless Frontier: "New products, brand-new markets, and more tasks require continuous additions to knowledge of the laws of nature ... This important brand-new understanding can be obtained only through basic scientific research study." In the late-1960s, however, this view came under direct attack, leading towards initiatives to fund science for particular jobs (efforts resisted by the scientific neighborhood).
History Paleolithic (2. 5 Ma 10 ka) Using tools by early people was partly a procedure of discovery and of evolution. Early people evolved from a types of foraging hominids which were already bipedal, with a brain mass roughly one third of modern-day humans. Tool usage remained fairly the same for many of early human history.
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Stone tools A campfire, frequently used to prepare food Hominids began using primitive stone tools countless years ago. The earliest stone tools were little bit more than a fractured rock, however roughly 75,000 years back, pressure flaking provided a method to make much finer work. Fire The discovery and usage of fire, a simple energy source with lots of profound uses, was a turning point in the technological advancement of humankind.
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Fire, sustained with wood and charcoal, allowed early human beings to prepare their food to increase its digestibility, improving its nutrient value and widening the number of foods that could be eaten. Clothing and shelter Other technological advances made during the Paleolithic period were clothes and shelter; the adoption of both innovations can not be dated exactly, but they were an essential to humanity's progress.