ENGR_183_W08_07 - Evolution of Science

ENGR_183_W08_07 - Evolution of Science - Engr 183 The...

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Engr 183 The Evolution of Science – Don Browne 1. Structure of Scientific Changes Pre-science > science > crisis > revolution > new science >new crises…. Term: Paradigm Shift Science interaction with technology, often by trial and error to begin with, then more logical Also present in evolution – pterodactyls wing 2. Geology as Example 1. Pre-science and science Pliny the Elder, 60 AD, observation of natural phenomena Middle ages, church dominated, revelation over observation, The Enlightenment, observation and mathematical explanation, leading to…... James Hutton, 1795, England “Uniformitarianism,” what was then is shown now, original horizontality of earths land masses William Smith, 1799, England, fossils in layers = age of fossils, 1 st geological map Charles Lyell, 1830, England, restates Hutton Louis Agassiz, 1830s, Switzerland, study of glaciers & landscape Lord Kelvin, 1860s, England, age of earth ~ 20-40 million years (w/o radioactive decay taken into account, which allows more precise dating) 2.
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