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In this sense, researchers and engineers may both be thought about technologists ; the 3 fields are typically considered as one for the functions of research and reference. The precise relations between science and technology, in particular, have actually been debated by scientists, historians, and policymakers in the late 20th century, in part due to the fact that the debate can inform the funding of basic and used science.
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An expression of this approach might be found explicitly in Vannevar Bush's treatise on postwar science policy, Science The Unlimited Frontier: "New products, new industries, and more tasks need constant additions to knowledge of the laws of nature ... This vital brand-new understanding can be acquired just through fundamental clinical research study." In the late-1960s, however, this view came under direct attack, leading towards initiatives to money science for particular tasks (initiatives withstood by the clinical community).
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History Paleolithic (2. 5 Ma 10 ka) Using tools by early humans was partly a process of discovery and of evolution. Early people developed from a species of foraging hominids which were currently bipedal, with a brain mass around one third of modern humans. Tool usage stayed fairly unchanged for the majority of early human history.
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Stone tools A campfire, often used to cook food Hominids started using primitive stone tools countless years back. The earliest stone tools were little bit more than a fractured rock, however approximately 75,000 years ago, pressure flaking supplied a way to make much finer work. Fire The discovery and usage of fire, a simple energy source with lots of profound usages, was a turning point in the technological advancement of humankind.
Fire, sustained with wood and charcoal, permitted early humans to prepare their food to increase its digestibility, enhancing its nutrient worth and expanding 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 humanity's development.