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In this sense, researchers and engineers might both be considered technologists ; the three fields are typically considered as one for the functions of research study and referral. The precise relations between science and technology, in specific, have been debated by scientists, historians, and policymakers in the late 20th century, in part because the argument can notify the funding of basic and used science.
An expression of this philosophy could be discovered clearly in Vannevar Bush's treatise on postwar science policy, Science The Endless Frontier: "New products, new markets, and more jobs need continuous additions to knowledge of the laws of nature ... This important brand-new understanding can be obtained just through standard clinical research study." In the late-1960s, however, this view came under direct attack, leading towards efforts to money science for specific jobs (efforts resisted by the scientific neighborhood).
History Paleolithic (2. 5 Ma 10 ka) The use of tools by early people was partly a process of discovery and of advancement. Early humans evolved from a types of foraging hominids which were currently bipedal, with a brain mass roughly one third of contemporary people. Tool use stayed reasonably the same for the majority of early human history.
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Stone tools A campfire, typically used to cook food Hominids started using primitive stone tools countless years ago. The earliest stone tools were bit more than a fractured rock, however approximately 75,000 years ago, pressure flaking provided a way to make much finer work. Fire The discovery and use of fire, an easy energy source with lots of extensive uses, was a turning point in the technological evolution of humankind.
Fire, fueled with wood and charcoal, permitted early human beings to prepare their food to increase its digestibility, enhancing its nutrient value and broadening the number of foods that might be eaten. Clothing and shelter Other technological advances made during the Paleolithic age were clothing and shelter; the adoption of both technologies can not be dated precisely, however they were a key to humanity's development.