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In this sense, researchers and engineers may both be considered technologists ; the three fields are frequently considered as one for the purposes of research and reference. The specific relations between science and technology, in specific, have been discussed by scientists, historians, and policymakers in the late 20th century, in part due to the fact that the argument can notify the financing of standard and used science.
An expression of this philosophy could be discovered clearly in Vannevar Bush's treatise on postwar science policy, Science The Unlimited Frontier: "New items, brand-new markets, and more jobs need constant additions to knowledge of the laws of nature ... This vital new understanding can be gotten only through standard clinical research." In the late-1960s, however, this view came under direct attack, leading towards efforts to money science for particular tasks (initiatives resisted by the clinical neighborhood).
History Paleolithic (2. 5 Ma 10 ka) Using tools by early human beings was partially a process of discovery and of evolution. Early people progressed from a types of foraging hominids which were currently bipedal, with a brain mass roughly one third of contemporary people. Tool use remained fairly the same for the majority of early human history.
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Stone tools A campfire, frequently used to cook food Hominids started using primitive stone tools countless years earlier. The earliest stone tools were little more than a fractured rock, but approximately 75,000 years back, pressure flaking supplied a way to make much finer work. Fire The discovery and use of fire, a simple energy source with many profound usages, was a turning point in the technological evolution of humankind.
Fire, fueled with wood and charcoal, enabled early human beings to prepare their food to increase its digestibility, enhancing its nutrient worth and broadening the number of foods that could be eaten. Clothing and shelter Other technological advances made during the Paleolithic era were clothing and shelter; the adoption of both technologies can not be dated exactly, but they were an essential to mankind's development.