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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 purposes of research study and referral. The precise relations between science and innovation, in specific, have been debated by researchers, historians, and policymakers in the late 20th century, in part since the argument can notify the funding of standard and applied science.

An articulation of this philosophy could be found explicitly in Vannevar Bush's writing on postwar science policy, Science The Unlimited Frontier: "New items, new markets, and more tasks need continuous additions to understanding of the laws of nature ... This important brand-new knowledge can be obtained just through basic clinical research." In the late-1960s, nevertheless, this view came under direct attack, leading towards efforts to fund science for specific tasks (efforts withstood by the clinical neighborhood).

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History Paleolithic (2. 5 Ma 10 ka) Using tools by early humans was partly a process of discovery and of advancement. Early people developed from a species of foraging hominids which were already bipedal, with a brain mass around one third of modern-day people. Tool usage remained relatively unchanged for the majority of early human history.

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Stone tools A campfire, frequently used to cook food Hominids began utilizing primitive stone tools countless years back. The earliest stone tools were bit more than a fractured rock, however around 75,000 years earlier, pressure flaking provided a method to make much finer work. Fire The discovery and use of fire, a basic energy source with many profound usages, was a turning point in the technological evolution of humankind.

Fire, sustained with wood and charcoal, permitted early people to prepare their food to increase its digestibility, enhancing its nutrient value and expanding the variety of foods that could be consumed. Clothing and shelter Other technological advances made during the Paleolithic era were clothes and shelter; the adoption of both technologies can not be dated exactly, but they were a crucial to mankind's development.