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In this sense, researchers and engineers may both be considered technologists ; the 3 fields are frequently considered as one for the functions of research study and recommendation. The exact relations between science and technology, in specific, have actually been disputed by researchers, historians, and policymakers in the late 20th century, in part because the debate can notify the financing of standard and used science.
An articulation of this philosophy might be discovered clearly in Vannevar Bush's treatise on postwar science policy, Science The Limitless Frontier: "New products, brand-new markets, and more jobs require constant additions to understanding of the laws of nature ... This vital brand-new knowledge can be gotten only through basic clinical research study." In the late-1960s, however, this view came under direct attack, leading towards efforts to money science for specific tasks (efforts withstood by the scientific community).
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History Paleolithic (2. 5 Ma 10 ka) Making use of tools by early humans was partially a process of discovery and of evolution. Early human beings progressed from a species of foraging hominids which were currently bipedal, with a brain mass approximately one third of modern people. Tool usage stayed fairly the same for most of early human history.
Stone tools A campfire, often used to cook food Hominids began using primitive stone tools countless years earlier. The earliest stone tools were bit more than a fractured rock, but roughly 75,000 years earlier, pressure flaking offered a method to make much finer work. Fire The discovery and usage of fire, a basic energy source with lots of extensive uses, was a turning point in the technological evolution of humankind.
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Fire, fueled with wood and charcoal, enabled early human beings to cook their food to increase its digestibility, improving its nutrient value and broadening the variety of foods that might be eaten. Clothing and shelter Other technological advances made during the Paleolithic period were clothing and shelter; the adoption of both technologies can not be dated exactly, but they were a crucial to humanity's development.