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In this sense, scientists and engineers may both be thought about technologists ; the three fields are frequently thought about as one for the functions of research and referral. The specific relations in between science and technology, in particular, have been discussed by researchers, historians, and policymakers in the late 20th century, in part due to the fact that the debate can inform the funding of standard and used science.
An articulation of this viewpoint might be discovered clearly in Vannevar Bush's treatise on postwar science policy, Science The Endless Frontier: "New products, brand-new markets, and more tasks require constant additions to understanding of the laws of nature ... This important new knowledge can be gotten just through fundamental clinical research." In the late-1960s, nevertheless, this view came under direct attack, leading towards initiatives to fund science for particular tasks (efforts withstood 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 procedure of discovery and of advancement. Early human beings developed from a species of foraging hominids which were already bipedal, with a brain mass around one third of modern-day human beings. Tool usage stayed reasonably unchanged for the majority of early human history.
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Stone tools A campfire, frequently used to prepare food Hominids began utilizing primitive stone tools countless years back. The earliest stone tools were little bit more than a fractured rock, however around 75,000 years back, pressure flaking offered a way to make much finer work. Fire The discovery and use of fire, a basic energy source with many extensive usages, was a turning point in the technological development of mankind.
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Fire, fueled with wood and charcoal, permitted early humans to prepare their food to increase its digestibility, enhancing its nutrient value and widening the variety of foods that could be eaten. Clothes and shelter Other technological advances made during the Paleolithic era were clothes and shelter; the adoption of both innovations can not be dated precisely, however they were a key to mankind's development.