Stephen R. Berry – författare

A vivid and revealing portrait of shipboard life as experienced by eighteenth-century migrants from Europe to the New WorldIn October 1735, James Oglethorpe’s Georgia Expedition set sail from London, bound for Georgia. Two hundred and twenty-seven passengers boarded two merchant ships accompanied by a British naval vessel and began a transformative voyage across the Atlantic that would last nearly five months. Chronicling their passage in journals, letters, and other accounts, the migrants described the challenges of physical confinement, the experiences of living closely with people from different regions, religions, and classes, and the multi-faceted character of the ocean itself.  Using their specific journey as his narrative arc, Stephen Berry’s A Path in the Mighty Waters tells the broader and heretofore underexplored story of how people experienced their crossings to the New World in the eighteenth century. During this time, hundreds of thousands of Europeans—mainly Irish and German—crossed the Atlantic as part of their martial, mercantile, political, or religious calling. Histories of these migrations, however, have often erased the ocean itself, giving priority to activities performed on solid ground. Reframing these histories, Berry shows how the ocean was more than a backdrop for human events; it actively shaped historical experiences by furnishing a dissociative break from normal patterns of life and a formative stage in travelers’ processes of collective identification. Shipboard life, serving as a profound conversion experience for travelers both spiritually and culturally, resembled the conditions of a frontier or border zone where the chaos of pure possibility encountered an inner need for stability and continuity, producing permutations on existing beliefs.  Drawing on an impressive array of archival collections, Berry’s vivid and rich account reveals the crucial role the Atlantic played in history and how it has lingered in American memory as a defining experience.

Thermodynamic concepts of aggregate states and their phase transitions - veloped during the 19th Century and are now the basis of our contem- rary understanding of these phenomena. Thermodynamics gives an universal, macroscopic description of the equilibrium properties of phase transitions - dependent of the detailed nature of the substances. However understanding the nature of phase transitions at the microscopic level requires a di?erent approach, one that takes into account the speci?cs of the interparticle int- actions. In this book, we lay the groundwork that connects the microscopic phenomena underlying phase changes with the macroscopic picture, but in a somewhat restricted way. We deal only with systems in which electronic excitations are not important, only with atomic systems, and only with - mogeneous systems. We also restrict our analysis to systems in which only pairwise interactions need be included, and, in many parts of the treatment, to systems in which one need consider only the interactions between nearest neighbor atoms. In establishing these restrictions, we can be guided by the solid and liquid states of inert gases and the phase transitions between them, althoughthesubsequentanalysisisrelevantandapplicableforaseriesofother physical systems. To study the behavior of a system of many interacting identical par- cles, we work extensively with its potential energy surface (PES), a surface in a many-dimensional space whose independent variables are the monomer coordinates or some transformation thereof. A central property of any m- tidimensional PES is its large number of local minima.