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Are there other dimensions beyond our own? Is time travel possible? Can we change the past? Are there gateways to parallel universes? All of us have pondered such questions, but there was a time when scientists dismissed these notions as outlandish speculations. Not any more. Today, they are the focus of the most intense scientific activity in recent memory. In Hyperspace, Michio Kaku, author of the widely acclaimed Beyond Einstein and a leading theoretical physicist, offers the first book-length tour of the most exciting (and perhaps most bizarre) work in modern physics, work which includes research on the tenth dimension, time warps, black holes, and multiple universes. The theory of hyperspace (or higher dimensional space)--and its newest wrinkle, superstring theory--stand at the center of this revolution, with adherents in every major research laboratory in the world, including several Nobel laureates. Beginning where Hawking's Brief History of Time left off, Kaku paints a vivid portrayal of the breakthroughs now rocking the physics establishment. Why all the excitement? As the author points out, for over half a century, scientists have puzzled over why the basic forces of the cosmos--gravity, electromagnetism, and the strong and weak nuclear forces--require markedly different mathematical descriptions. But if we see these forces as vibrations in a higher dimensional space, their field equations suddenly fit together like pieces in a jigsaw puzzle, perfectly snug, in an elegant, astonishingly simple form. This may thus be our leading candidate for the Theory of Everything. If so, it would be the crowning achievement of 2,000 years of scientific investigation into matter and its forces. Already, the theory has inspired several thousand research papers, and has been the focus of over 200 international conferences. Michio Kaku is one of the leading pioneers in superstring theory and has been at the forefront of this revolution in modern physics. With Hyperspace, he has produced a book for general readers which conveys the vitality of the field and the excitement as scientists grapple with the meaning of space and time. It is an exhilarating look at physics today and an eye-opening glimpse into the ultimate nature of the universe.
The major emphasis of this book is on physical mechanisms and sources of the ULF/ELF natural electromagnetic fields noises. In the course of this text, some of these mechanisms of magnetospheric origin will be treated in detail and others in a more sketchy fashion, while the global electromagnetic resonances excited by lightning activity and other sources are the priority. The interested reader is referred to the books cited in the text for details about the ULF/ELF fields of magnetospheric origin. Much emphasis is put on studies of electromagnetic phenomena caused by rock deformation/fracture including the ULF/ELF effects possibly associated with tectonic activity, earthquakes and other natural disasters. One of the challenges of this research is to fully understand electromagnetic effects and physical processes in the rocks deep in the Earth’s crust.
Written by an experienced author and practising teacher the Essentials student book matches the OCR specifications for A2 Physics.
Revised, updated edition of classic work on the physics of lightning covers phenomena, terminology, measurement, photography, spectroscopy, thunder, and more, including reviews of recent research. 140 figures and tables.
"Michigan Sheriff Johannes Spreen went to jail today to defend his beliefs and actions saying 'I'd rather be right than free'." Walter Cronkite, CBS News, May 7, 1977. "I'm inspired by legendary police commissioner and former sheriff Johannes Spreen, whose community-partnership approach encouraged people to work together, and it was successful." Arizona Police Chief Dan Saban. "Johannes Spreen was a police officer extraordinary; a man who helped restructure and develop New York City Police Academy training leading to a college program, a 'West Point' for police officers-now John Jay College for Criminal Justice. Johannes Spreen is a man of enthusiasm, indeed a prophet; always ahead of his time." Rudolph P. Blaum, retired NYPD and co-developer of John Jay College courses. This intimate portrait of former Detroit Police Commissioner and Michigan Sheriff Johannes F. Spreen, forming his attitudes against the rugged tides of experience and events, is a delight to read. The revealing rise of a German immigrant through New York and Michigan police hierarchies adds to our understanding of policing, competitive police turf battles and the criminal forces that drive our nation to the brink in attempting to maintain freedom and peace. Spreen's innovations re-shaped American law enforcement thinking.
"Commissioner Johannes Spreen was a police officer extraordinary; a man who helped restructure and develop New York City Police Academy training leading to a college program, a 'West Point' for officers, now John Jay College for Criminal Justice. Johannes Spreen is a man of enthusiasm, indeed a prophet; always ahead of his time and brought his talent to Detroit as Police Commissioner and later Sheriff of Oakland County." Rudolph P. Blaum, Retired Captain, New York City Police Department, John Jay College, former president American Education Association. This book describes how policing has gradually emphasized law enforcement over the protection of people. It is a compelling book by an innovative and gifted top cop who presents a convincing case for community-oriented policing. This story of policing urban America over several decades covers politics, crime control, leadership, mental and physical conditioning, morals, and rivalries that reduce effectiveness. Besides being a role model for youth, police officers, administrators and policy analysts, Commissioner Spreen used wit and literary brilliance to describe his career and these issues through charming letters to his daughter.