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In this sense, researchers and engineers may both be thought about technologists ; the 3 fields are often thought about as one for the purposes of research and referral. The precise relations in between science and technology, in particular, have actually been debated by researchers, historians, and policymakers in the late 20th century, in part because the debate can inform the funding of fundamental and used science.
An articulation of this approach might be found clearly in Vannevar Bush's treatise on postwar science policy, Science The Limitless Frontier: "New items, brand-new industries, and more tasks require constant additions to understanding of the laws of nature ... This vital new knowledge can be obtained only through fundamental clinical research." In the late-1960s, however, this view came under direct attack, leading towards initiatives to money science for specific jobs (initiatives resisted by the clinical neighborhood).
History Paleolithic (2. 5 Ma 10 ka) The usage of tools by early people was partly a procedure of discovery and of evolution. Early human beings progressed from a species of foraging hominids which were already bipedal, with a brain mass approximately one third of modern-day humans. Tool usage stayed relatively the same for the majority of early human history.
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Stone tools A campfire, often used to prepare 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 back, pressure flaking provided a method to make much finer work. Fire The discovery and usage of fire, a basic energy source with many extensive uses, was a turning point in the technological advancement of humankind.
Fire, fueled with wood and charcoal, enabled early people to cook their food to increase its digestibility, enhancing its nutrient worth and expanding the variety of foods that could be eaten. Clothing and shelter Other technological advances made throughout the Paleolithic era were clothes and shelter; the adoption of both technologies can not be dated exactly, however they were a crucial to humankind's progress.