An Unplanned Roundtrip recounts author Arthur O. Klein's transition from life in a middle class Jewish home in prewar 1930s Vienna to a new life as an American citizen after serving in the U.S. Army Counter Intelligence Corps in 1947. Beginning with the entry of Adolf Hitler into Vienna in March 1938, Klein's memoir details the subsequent separation of his family in August 1938 as he and his father were forced to leave his mother and sister and flee to Luxembourg and their eventual reunion in September 1939. Klein describes moving through France, Spain, Portugal and Cuba before arriving in the U.S. in early 1945, where he was immediately drafted into the U.S. Army. His memoir includes a description of his training as a Special Agent of the U.S. Army Counter Intelligence Corps and of his eventual discharge after a serious car accident in West Germany in December 1946.
An Unplanned Roundtrip recounts author Arthur O. Klein's transition from life in a middle class Jewish home in prewar 1930s Vienna to a new life as an American citizen after serving in the U.S. Army Counter Intelligence Corps in 1947. Beginning with the entry of Adolf Hitler into Vienna in March 1938, Klein's memoir details the subsequent separation of his family in August 1938 as he and his father were forced to leave his mother and sister and flee to Luxembourg and their eventual reunion in September 1939. Klein describes moving through France, Spain, Portugal and Cuba before arriving in the U.S. in early 1945, where he was immediately drafted into the U.S. Army. His memoir includes a description of his training as a Special Agent of the U.S. Army Counter Intelligence Corps and of his eventual discharge after a serious car accident in West Germany in December 1946.
Arthur Holly Compton was one of the great leaders in physics of the twentieth century. In this volume, Robert S. Shankland, who was once a student of Compton's, has collected and edited the most important of Professor Compton's papers on X-rays—the field of his greatest achievement—and on other related topics. Compton entered the field of X-ray research in 1913 and carried on active work until the 1930s, when he began to specialize in cosmic rays. During the years when Compton was an active leader in X-ray research, he made many notable contributions which are reflected in the papers presented here. He was the first to prove several important optical properties of X-rays, including scattering, complete polarization, and total reflection. He was also the first, with his student R. L. Doan, to use ruled gratings for the production of X-ray spectra. Professor Compton's greatest discovery, for which he was awarded a Nobel Prize in 1927, was the Compton Effect. This was the outgrowth of experiments he had initiated during a year at Cambridge in 1919-20. He did the major portion of these experiments at Washington University in St. Louis during the period 1920-24. His work demonstrated that in the scattering of X-rays by electrons, the radiation behaves like corpuscles, and that the interaction between the X-ray corpuscles and the electrons in the scatter is completely described by the principles of the conservation of energy and momentum for the collisions of particles. In his introduction, Professor Shankland gives a historical account of the papers, narrates Professor Compton's early scientific career, and shows how he arrived at a quantum explanation of the Compton scattering after eliminating all classical explanations.
This book presents a string-theoretic approach to new ideas in particle physics, also known as Physics Beyond the Standard Model, and to cosmology. The concept of Naturalness and its apparent violation by the low electroweak scale and the small cosmological constant is emphasized. It is shown that string theory, through its multitude of solutions, known as the landscape, offers a partial resolution to these naturalness problems as well as suggesting more speculative possibilities like that of a multiverse. The book is based on a one-semester course, as such, it has a pedagogical approach, is self-contained and includes many exercises with solutions. Notably, the basics of string theory are introduced as part of the lectures. These notes are aimed at graduate students with a solid background in quantum field theory, as well as at young researchers from theoretical particle physics to mathematical physics. This text also benefits students who are in the process of studying string theory at a deeper level. In this case, the volume serves as additional reading beyond a formal string theory course.
Early Childhood Education spans the human life from birth to age 8. Infants and toddlers experience life more holistically than any other age group. Social, emotional, cognitive, language, and physical lessons are not learned separately by very young children. Adults who are most helpful to young children interact in ways that understand that the child is learning from the whole experience, not just that part of the experience to which the adult gives attention. Although early childhood education does not have to occur in the absence of the parent or primary caregiver, this term is sometimes used to denote education by someone other than these the parent or primary caregiver. Both research in the field and early childhood educators view the parents as an integral part of the early childhood education process. Early childhood education takes many forms depending on the theoretical and educational beliefs of the educator or parent. Other terms those are often used interchangeably with "early childhood education" are "early childhood learning", "early care" and "early education". Much of the first two years of life are spent in the creation of a child's first "sense of self" or the building of a first identity. Because this is a crucial part of children's makeup-how they first see themselves, how they think they should function, how they expect others to function in relation to them, early care must ensure that in addition to carefully selected and trained caregivers, links with family, home culture, and home language are a central part of program policy. If care becomes a substitute for, rather than a support of, family, children may develop a less-than-positive sense of who they are and where they come from because of their child care experience. This book presents the latest research in this vital field.
PCT, Spin and Statistics, and All That is the classic summary of and introduction to the achievements of Axiomatic Quantum Field Theory. This theory gives precise mathematical responses to questions like: What is a quantized field? What are the physically indispensable attributes of a quantized field? Furthermore, Axiomatic Field Theory shows that a number of physically important predictions of quantum field theory are mathematical consequences of the axioms. Here Raymond Streater and Arthur Wightman treat only results that can be rigorously proved, and these are presented in an elegant style that makes them available to a broad range of physics and theoretical mathematics.
In addition to expanding and clarifying a number of sections of the first edition, it generalizes the analysis that eliminates the noncausal pre-acceleration so that it applies to removing any pre-deceleration as well. It also introduces a robust power series solution to the equation of motion that produces an extremely accurate solution to problems such as the motion of electrons in uniform magnetic fields.
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