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The essential beginner's guide to string theory The Little Book of String Theory offers a short, accessible, and entertaining introduction to one of the most talked-about areas of physics today. String theory has been called the "theory of everything." It seeks to describe all the fundamental forces of nature. It encompasses gravity and quantum mechanics in one unifying theory. But it is unproven and fraught with controversy. After reading this book, you'll be able to draw your own conclusions about string theory. Steve Gubser begins by explaining Einstein's famous equation E = mc2, quantum mechanics, and black holes. He then gives readers a crash course in string theory and the core ideas b...
The Little Book of String Theory offers a short, accessible, and entertaining introduction to one of the most talked-about areas of physics today. String theory has been called the "theory of everything." It seeks to describe all the fundamental forces of nature. It encompasses gravity and quantum mechanics in one unifying theory. But it is unproven and fraught with controversy. After reading this book, you'll be able to draw your own conclusions about string theory. Steve Gubser begins by explaining Einstein's famous equation E = mc2, quantum mechanics, and black holes. He then gives reade
Dive into a mind-bending exploration of the physics of black holes Black holes, predicted by Albert Einstein’s general theory of relativity more than a century ago, have long intrigued scientists and the public with their bizarre and fantastical properties. Although Einstein understood that black holes were mathematical solutions to his equations, he never accepted their physical reality—a viewpoint many shared. This all changed in the 1960s and 1970s, when a deeper conceptual understanding of black holes developed just as new observations revealed the existence of quasars and X-ray binary star systems, whose mysterious properties could be explained by the presence of black holes. Black ...
This book covers some recent advances in string theory and extra dimensions. Intended mainly for advanced graduate students in theoretical physics, it presents a rare combination of formal and phenomenological topics, based on the annual lectures given at the School of the Theoretical Advanced Study Institute (2001) OCo a traditional event that brings together graduate students in high energy physics for an intensive course of advanced learning. The lecturers in the School are leaders in their fields. The first lecture, by E DOCOHoker and D Freedman, is a systematic introduction to the gaugeOCogravity correspondence, focusing in particular on correlation functions in the conformal case. The ...
Os buracos negros, previstos pela teoria geral da relatividade de Albert Einstein faz mais de um século, há muito intrigam os cientistas e o público com suas propriedades fantásticas. Embora Einstein entendesse que os buracos negros eram soluções matemáticas para suas equações, ele nunca aceitou sua realidade física; um ponto de vista que muitos compartilhavam. Tudo isso mudou nas décadas de 1960 e 1970. Nessa época, estudos revelaram a existência de quasares e sistemas estelares binários de raios X, cujas particularidades misteriosas poderiam ser explicadas pela presença de buracos negros. Desde então, uma compreensão mais profunda sobre os buracos negros se desenvolveu. El...
This paper attempts to jump out of the original interpretation framework of social science and to explain new communication phenomena in a novel way of philosophy of science. The paper believes that the development of the communication revolution, especially the recent information technology revolution, not only makes human being step into an advanced information society but also fundamentally changes the traditional communication methods. So, when traditional communication science is insufficient to interpret novel media phenomena, using the philosophy of science to explain these new communication phenomena is not only feasible but also necessary. This paper thinks that the so-called philosophy of science is the product of "transforming science knowledge into wisdom", including not only the concept and methodology of natural science, but also the humanistic understanding of modern science.
A unified theory embracing all physical phenomena is a major goal of theoretical physics. In the early 1980s, many physicists looked to eleven-dimensional supergravity in the hope that it might provide that elusive superunified theory. In 1984 supergravity was knocked off its pedestal by ten-dimensional superstrings, one-dimensional objects whose v
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Das kleine Buch der Stringtheorie bietet eine knappe und unterhaltsame Einführung in eines der meistdiskutierten Gebiete der modernen Physik. Die Stringtheorie gilt als eine „Theorie für Alles“, mit der sich sämtliche Grundkräfte der Natur beschreiben lassen. Bisher allerdings konnte sie experimentell nicht bestätigt werden, und unter Physikern wird sie sehr kontrovers diskutiert. Dieses Buch gibt Ihnen die Gelegenheit, sich ein eigenes Bild zu machen!