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This process is one of the most common processes in archaeology, yet it is still poorly structured theoretically, methodologically and operatively. No manuals specifically tackle the issue as a whole and consideration of useful theoretical and methodological tools is fragmentary. This book has been developed to try to correct this failing; it is based on the idea that for dating a given layer through the materials recovered from it, the embedding process of the materials must be modelled.  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The book describes an important milestone in the history of the unification of the two fields and provides an excellent summary of the methods used to explore one of the greatest mysteries in physics today: dark energy.'Physics TodayThis book is about the Dark Energy Survey, a cosmological experiment designed to investigate the physical nature of dark energy by measuring its effect on the expansion history of the universe and on the growth of large-scale structure. The survey saw first light in 2012, after a decade of planning, and completed observations in 2019. The collaboration designed and built a 570-megapixel camera and installed it on the four-metre Blanco telescope at the Cerro Tololo Inter-American Observatory in the Chilean Andes. The survey data yielded a three-dimensional map of over 300 million galaxies and a catalogue of thousands of supernovae. Analysis of the early data has confirmed remarkably accurately the model of cold dark matter and a cosmological constant. 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