Physics Facts: Putting Dates to the Past

Genres - Education, Science & Technology  |   Sub-Genres - Physical Sciences  |   Countries - USA  |  
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This educational video explains how scientists date events that happened before human existence or before human record. The program will explore relative dating methods, absolute dating techniques, dendrochronology, radioactive absolute dating, carbon-14, and the Laetoli site and its significance, along with the four main eras of human history: Precambrian, Paleozoic, Mesozoic and Cenozoic.