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This advanced undergraduate text introduces Einstein's general theory of relativity. The topics covered include geometric formulation of special relativity, the principle of equivalence, Einstein's field equation and its spherical-symmetric solution, as well as cosmology. An emphasis is placed on physical examples and simple applications without the full tensor apparatus. It begins by examining the physics of the equivalence principle and looks at how it inspired Einstein's idea of curved spacetime as the gravitational field. At a more mathematically accessible level, it provides a metric...

Global and regional changes to the marine environment associated with climate change may have significant consequences for coral reef ecosystems, coastal communities, and maritime heritage resources relevant to the Fagatele Bay National Marine Sanctuary (FBNMS). Regional physical changes to the marine environment include climate variability, sea level rise, ocean circulation patterns, and ocean acidification. These changes combined with anthropogenic stressors may produce cumulative impacts on biodiversity and ecosystem health including changes in physiology, phenology, and population...