HISTORY 2720 Chapter Notes - Chapter 2: Spacetime, Goldilocks Principle, Radiometric Dating
26 Mar 2018
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Chronometric revolution (2) - discovery of new, better dating methods to extend our scope of history. Radiometric dating (2) - examining the number of broken down atoms to determine the age to about 50,000 years. Isotopes - elements with different numbers of nuclei. Genetic dating (3) - studying dna to determine when species shared a common ancestor. Origin stories - stories about how everything was created. Emergent properties - new qualities emerging in the universe. Goldilock conditions - perfect set of conditions in which atoms form to create new elements and led to life. How did the chronometric revolution change the scope of the discipline of history? a. The development and discovery of new dating methods allowed us to examine history further and beyond the scope of written human history. How can we use different isotopes in different elements to measure the age of objects before written history? a.
