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In this sense, researchers and engineers may both be considered technologists ; the 3 fields are typically considered as one for the functions of research study and recommendation. The precise relations between science and technology, in particular, have actually been discussed by scientists, historians, and policymakers in the late 20th century, in part because the argument can inform the funding of basic and applied science.
An expression of this viewpoint might be found explicitly in Vannevar Bush's treatise on postwar science policy, Science The Endless Frontier: "New products, new markets, and more jobs require continuous additions to knowledge of the laws of nature ... This vital new understanding can be obtained only through basic clinical research." In the late-1960s, however, this view came under direct attack, leading towards initiatives to fund science for particular tasks (efforts resisted by the clinical community).
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History Paleolithic (2. 5 Ma 10 ka) Making use of tools by early human beings was partially a process of discovery and of evolution. Early human beings developed from a types of foraging hominids which were already bipedal, with a brain mass approximately one third of modern-day people. Tool use stayed reasonably unchanged for most of early human history.
Stone tools A campfire, typically utilized to cook food Hominids began using primitive stone tools countless years back. The earliest stone tools were bit more than a fractured rock, however approximately 75,000 years back, pressure flaking offered a way to make much finer work. Fire The discovery and usage of fire, a simple energy source with many extensive uses, was a turning point in the technological development of humankind.
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Fire, sustained with wood and charcoal, enabled early people to cook their food to increase its digestibility, improving its nutrient value and broadening the number of foods that might be eaten. Clothes and shelter Other technological advances made during the Paleolithic period were clothing and shelter; the adoption of both technologies can not be dated precisely, however they were a crucial to mankind's development.