|Plate Tectonics: The Scientist Behind the Theory|
The scientific community does not always embrace every new idea that comes along. Alfred Wegener, the scientist who first proposed the theory of continental drift, learned that the hard way. This video segment shows how Wegner developed his theory by using multiple lines of evidence, and chronicles the less-than-enthusiastic reponse of the geologic community in the early twentieth century. It also points out the great weakness in Wegner's theory, the lack of a driving mechanism for the movements of the continents. The segment is three minutes fifty-five seconds in length.
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Source: A Science Odyssey: Short Trips "I Feel the Earth Move". Copyright 2002-2006, WGBH Educational Foundation. All rights reserved.
DLESE Catalog ID: DLESE-000-000-009-736
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Publisher: WGBH Educational Foundation