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The Search For Christian Doppler
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Book Synopsis The Search for Christian Doppler by : Alec Eden
Download or read book The Search for Christian Doppler written by Alec Eden and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 143 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is now 150 years ago, on 25th May 1842, that the son of a Salzburg ston emason presented a scientific work "On the coloured light of the double stars and certain other heavenly bodies" at a meeting of the Royal Bo hemian Society of Sciences held in Prague. Christian Andreas Doppler, then professor at the Prague Technical Institute, set a milestone in scien tific history in the meeting room of the Royal Society in the Charles Uni versity, just a few meters from the National Theatre where another genius from Salzburg, Wolfgang Amadeus Mozart, had celebrated his musical triumph with the premiere of his opera Don Giovanni fifty-five years earlier. Doppler's lecture set out in brilliant simplicity what we now call the Doppler principle, which since has found numerous uses in astronomy, which was of primary interest to Christian Doppler. In addition, it has found countless practical applications in physics, navigation, aeronautics, geodesy, medicine, science and technology. In medicine alone, Doppler sonography is now an established diagnostic procedure in the fields of childbirth, cardiology and diseases of the blood vessels, neurology, neuro surgery and vascular surgery, and is continually finding new medical appli cations in today's world of high technology.
Download or read book Galileo Unbound written by David D. Nolte and published by Oxford University Press. This book was released on 2018-07-12 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: Galileo Unbound traces the journey that brought us from Galileo's law of free fall to today's geneticists measuring evolutionary drift, entangled quantum particles moving among many worlds, and our lives as trajectories traversing a health space with thousands of dimensions. Remarkably, common themes persist that predict the evolution of species as readily as the orbits of planets or the collapse of stars into black holes. This book tells the history of spaces of expanding dimension and increasing abstraction and how they continue today to give new insight into the physics of complex systems. Galileo published the first modern law of motion, the Law of Fall, that was ideal and simple, laying the foundation upon which Newton built the first theory of dynamics. Early in the twentieth century, geometry became the cause of motion rather than the result when Einstein envisioned the fabric of space-time warped by mass and energy, forcing light rays to bend past the Sun. Possibly more radical was Feynman's dilemma of quantum particles taking all paths at once — setting the stage for the modern fields of quantum field theory and quantum computing. Yet as concepts of motion have evolved, one thing has remained constant, the need to track ever more complex changes and to capture their essence, to find patterns in the chaos as we try to predict and control our world.
Download or read book Christian Doppler written by Ewald Hiebl and published by Living Edition, STARNA Ges.m.b.H.. This book was released on 2007 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Moving the Stars by : Peter Maria Schuster
Download or read book Moving the Stars written by Peter Maria Schuster and published by Living Edition, STARNA Ges.m.b.H.. This book was released on 2005 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stories of Stroke by : Louis R. Caplan
Download or read book Stories of Stroke written by Louis R. Caplan and published by Cambridge University Press. This book was released on 2022-12-15 with total page 671 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stroke is one of the most important and most feared conditions known to man. The threat of stroke is important to all people. What could be more devastating than to lose the ability to speak, move a limb, stand, talk, see, read, feel write or even think? This book brings together ideas, events and advances – the stories – before and during the 20th Century through the accounts of global experts in the field, many of them having been first-hand witnesses to progress. Focusing on selected stories of stroke, this book offers a readable summary of the most dramatic and extensive changes in knowledge about stroke and in caring for stroke patients. Of interest to anyone interested in neurosciences and for physicians caring for stroke patients, this book informs on moving forward, by looking to how we got to where we are.
Book Synopsis A New Doppler Effect by : Florian Ion Petrescu
Download or read book A New Doppler Effect written by Florian Ion Petrescu and published by BoD – Books on Demand. This book was released on 2012 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Doppler effect (or Doppler shift), named after Austrian physicist Christian Doppler who proposed it in 1842 in Prague, is the change in frequency of a wave for an observer moving relative to the source of the wave. It is commonly heard when a vehicle sounding a siren or horn approaches, passes, and recedes from an observer. The received frequency is higher (compared to the emitted frequency) during the approach, it is identical at the instant of passing by, and it is lower during the recession. The relative changes in frequency can be explained as follows. When the source of the waves is moving toward the observer, each successive wave crest is emitted from a position closer to the observer than the previous wave. Therefore each wave takes slightly less time to reach the observer than the previous wave. Therefore the time between the arrival of successive wave crests at the observer is reduced, causing an increase in the frequency. While they are travelling, the distance between successive wave fronts is reduced; so the waves \\\\\\\"bunch together\\\\\\\". Conversely, if the source of waves is moving away from the observer, each wave is emitted from a position farther from the observer than the previous wave, so the arrival time between successive waves is increased, reducing the frequency. The distance between successive wave fronts is increased, so the waves "spread out". For waves that propagate in a medium, such as sound waves, the velocity of the observer and of the source is relative to the medium in which the waves are transmitted. The total Doppler Effect may therefore result from motion of the source, motion of the observer, or motion of the medium. Each of these effects is analyzed separately. For waves which do not require a medium, such as light or gravity in general relativity, only the relative difference in velocity between the observer and the source needs to be considered.
Book Synopsis Einstein in Bohemia by : Michael D. Gordin
Download or read book Einstein in Bohemia written by Michael D. Gordin and published by Princeton University Press. This book was released on 2020-02-11 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: A finely drawn portrait of Einstein's sixteen months in Prague In the spring of 1911, Albert Einstein moved with his wife and two sons to Prague, the capital of Bohemia, where he accepted a post as a professor of theoretical physics. Though he intended to make Prague his home, he lived there for just sixteen months, an interlude that his biographies typically dismiss as a brief and inconsequential episode. Einstein in Bohemia is a spellbinding portrait of the city that touched Einstein's life in unexpected ways—and of the gifted young scientist who left his mark on the science, literature, and politics of Prague. Michael Gordin's narrative is a masterfully crafted account of a person encountering a particular place at a specific moment in time. Despite being heir to almost a millennium of history, Einstein's Prague was a relatively marginal city within the sprawling Austro-Hungarian Empire. Yet Prague, its history, and its multifaceted culture changed the trajectories of Einstein's personal and scientific life. It was here that his marriage unraveled, where he first began thinking seriously about his Jewish identity, and where he embarked on the project of general relativity. Prague was also where he formed lasting friendships with novelist Max Brod, Zionist intellectual Hugo Bergmann, physicist Philipp Frank, and other important figures. Einstein in Bohemia sheds light on this transformative period of Einstein's life and career, and brings vividly to life a beguiling city in the last years of the Austro-Hungarian Empire.
Book Synopsis Doppler Ultrasound in Obstetrics and Gynecology by : I. Zalud
Download or read book Doppler Ultrasound in Obstetrics and Gynecology written by I. Zalud and published by Springer Science & Business Media. This book was released on 2006-01-16 with total page 625 pages. Available in PDF, EPUB and Kindle. Book excerpt: Expanded and updated edition highlighting current standards and breakthroughs in the technology of Doppler ultrasound Includes latest advances in 3D and color doppler and 4D fetal echocardiography Includes more than 500 illustrations, including more than 150 in color
Book Synopsis Eponyms and Names in Obstetrics and Gynaecology by : Thomas F. Baskett
Download or read book Eponyms and Names in Obstetrics and Gynaecology written by Thomas F. Baskett and published by Cambridge University Press. This book was released on 2019-01-24 with total page 545 pages. Available in PDF, EPUB and Kindle. Book excerpt: Few specialties have a longer or richer eponymous background than obstetrics and gynaecology. Eponyms add a human side to an increasingly technical profession and represent the historic tradition and language of the speciality. This collection aims to perpetuate the names and contributions of pioneers and offer introductory profiles to the founders in whose steps we follow. This third edition includes 26 new entries, as well as expanded detail, illustration and quotation for existing entries. Biographical data and historical and medical context are discussed for each of the 391 names, with reference to 34 countries, reflecting the field's far reaching origins. More than 1700 original references feature, alongside an extensive bibliography of more than 2500 linked references to assist readers searching for more detailed information. This is a volume for physicians, midwives, medical historians, medical ethicists and all those interested in the history and evolution of obstetrical and gynaecological treatment.
Book Synopsis Doppler Ultrasound in Obstetrics and Gynecology by : Dev Maulik
Download or read book Doppler Ultrasound in Obstetrics and Gynecology written by Dev Maulik and published by Springer Nature. This book was released on 2023-02-10 with total page 641 pages. Available in PDF, EPUB and Kindle. Book excerpt: Expanded and updated edition highlighting current standards and breakthroughs in the technology of Doppler ultrasound Includes latest advances in 3D and color doppler and 4D fetal echocardiography Includes more than 500 illustrations, including more than 150 in color
Book Synopsis The Micro-Doppler Effect in Radar, Second Edition by : Victor C. Chen
Download or read book The Micro-Doppler Effect in Radar, Second Edition written by Victor C. Chen and published by Artech House. This book was released on 2019-02-28 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by a prominent expert in the field, this updated and expanded second edition of an Artech House classic includes the most recent breakthroughs in vital sign and gender recognition via micro-radar, as well as covering basic principles of Doppler effect and micro-Doppler effect and describing basic applications of micro-Doppler signatures in radar. The book presents detailed procedures about how to generate and analyze micro-Doppler signatures from radar signals. Readers will learn how to model and animate an object (such as human, spinning top, rotating rotor blades) with movement, simulation of radar returns from the object, and generating micro-Doppler signature. The book includes coverage of the Google project “Soli”, which demonstrated the use of radar micro-Doppler effect to sense and recognize micro motions of human hand gesture for controlling devices. It also discusses noncontact detection of human vital sign (micro motions of breathing and heart beating) using radar, another important application of radar micro-Doppler sensors. Detailed MATLAB source codes for simulation of radar backscattering from targets with various motions are provided, along with source codes for generating micro-Doppler signatures and analyzing characteristics of targets.
Book Synopsis The Micro-doppler Effect in Radar by : Victor C. Chen
Download or read book The Micro-doppler Effect in Radar written by Victor C. Chen and published by Artech House. This book was released on 2011 with total page 309 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Doppler Effect can be thought of as the change in frequency of a wave for an observer moving relative to the source of the wave. In radar, it is used to measure the velocity of detected objects. This highly practical resource provides thorough working knowledge of the micro-Doppler effect in radar, including its principles, applications and implementation with MATLAB codes. The book presents code for simulating radar backscattering from targets with various motions, generating micro-Doppler signatures, and analyzing the characteristics of targets. In this title, professionals will find detailed descriptions of the physics and mathematics of the Doppler and micro-Doppler effect. The book provides a wide range of clear examples, including an oscillating pendulum, a spinning and precession heavy top, rotating rotor blades of a helicopter, rotating wind-turbine blades, a person walking with swinging arms and legs, a flying bird, and movements of quadruped animals.
Book Synopsis A to Z of Physicists, Updated Edition by : Darryl Leiter
Download or read book A to Z of Physicists, Updated Edition written by Darryl Leiter and published by Infobase Holdings, Inc. This book was released on 2019-11-01 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: A to Z of Physicists, Updated Edition focuses not only on the lives and personalities of those profiled, but also on their research and contributions to the field. A fascinating and important element of this work is the attention paid to the obstacles that minority physicists had to overcome to reach their personal and professional goals. Through incidents, quotations, and photographs, the entries portray something of the human face, which is often lost in books on science and scientists. A to Z of Physicists, Updated Edition features more than 150 entries and 51 black-and-white photographs. Culturally inclusive and spanning the whole range of physicists from ancient times to the present day, this is an ideal resource for students and general readers interested in the history of physics or the significant aspects of the personal and professional lives of important physicists. People covered include: Archimedes (ca. 285–212 BCE) Homi Jehangir Bhabha (1909–1966) Pavel Alekseyevich Cherenkov (1904–1990) Marie Curie (1867–1934) George Gamow (1904–1968) Tsung Dao Lee (1926–present) Lise Meitner (1878–1968) Yuval Ne'eman (1925–2006) Johannes Stark (1874–1957) Nikola Tesla (1856–1943) Alessandro Volta (1745–1827) Hideki Yukawa (1907–1981)
Book Synopsis Enchantment Of Urania, The: 25 Centuries Of Exploration Of The Sky by : Massimo Capaccioli
Download or read book Enchantment Of Urania, The: 25 Centuries Of Exploration Of The Sky written by Massimo Capaccioli and published by World Scientific. This book was released on 2024-03-19 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt: Today we know much about the sky: how stars are born, how they live and die, and how the universe as a whole evolves. We have learned of the existence of another type of matter, indifferent to light and yet decisive for the formation of galaxies, and we have a hint of a dark energy that since the last 4.5 billion years has taken over the control of the cosmos. We postulated and then discovered and even photographed black holes and listened to the faint rustle of the space-time ripple produced when these monsters devour each other. We reached these astonishing results (recognized by a bunch of Nobel Prizes and filling every day the media with wonders for the eyes and the mind) by the marriage of physics and astronomy that unified the Earth with the sky and then by the leap forward of science and technology in the Twentieth Century. This rich heritage has ancient roots. It was built by accumulating discoveries with errors, observations with fantasies, myths, and superstitions with flashes of genius, over a span of millennia, since Homo sapiens, turning his eyes to the immutable and perfect sky, began to ask questions.The book is a narration of the answers to these questions that had evolved over time: a progressive path, inserted in the general history, with some second thoughts and many obstacles. This is a saga of men and machines where greatness sometimes mixes with misery and passion often borders on sacrifice and even martyrdom. Why should we know it? Because our current knowledge is the result of these efforts and of the preconceptions that accompanied them.The challenge has been to present this complex and intricate subject without resorting to any formulas, so that it can be accessible to a wide audience of curious people, including high school and university students and in general all those who normally keep themselves informed of scientific things. A rich bibliography has also been added in the appendix for those wishing to learn more on one or more topics.
Book Synopsis The Search for Aliens: A Rough Guide to Life on Other Worlds by : Piers Bizony
Download or read book The Search for Aliens: A Rough Guide to Life on Other Worlds written by Piers Bizony and published by Penguin. This book was released on 2012-05-24 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Search for Aliens: The Rough Guide to Life on Other Worlds is a scientific journey that reaches into our profoundest philosophical and religious desire for answers-and perhaps, also into our deepest dreads. Exobiology, a subject that once seemed nothing more than the realm of science fiction fantasies, is now a thriving professional branch of science, driven by new and startling discoveries on earth as well as by a mass of new data from space probes. This Rough Guide provides the first vivid and completely accessible guide to the most exciting field of modern science: the search for aliens. All the latest research projects are identified, located, and described: everything from radio dishes seeking out intelligent alien signals, to deep oceanic research seeking links between terrestrial organisms and the broader cosmos. It also explores the idea of Panspermia, the notion that asteroids and comets brought biological building blocks to the early earth, which is now firmly on the agenda. Is there any living thing out there? We still don't know, but this book explains why we may be closer than ever to finding out.
Book Synopsis Ultrasound in Medicine by : Francis A. Duck
Download or read book Ultrasound in Medicine written by Francis A. Duck and published by CRC Press. This book was released on 2020-07-14 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultrasound in Medicine is a broad-ranging study of medical ultrasound, including ultrasound propagation, interaction with tissue, and innovations in the application of ultrasound in medicine. The book focuses specifically on the science and technology-the underlying physics and engineering. It examines the most closely related aspects of these basic sciences in clinical application and reviews the success of technological innovations in improving medical diagnosis and treatment. The book bridges the gap between tutorial texts widely available for ultrasound and medical training and theoretical works on acoustics.
Book Synopsis The Enigma of Creation and Destruction by : Arijit Roy
Download or read book The Enigma of Creation and Destruction written by Arijit Roy and published by Author House. This book was released on 2011-10-28 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains some questions that arise in our mind quite frequently. The questions are as follows: 1. Why is everything in this universe changing? 2. What is the reason behind creation and destruction? 3. What is the reason behind birth and death? 4. Where have we come from? 5. What is our destination? 6. Is there any God? If so, where is He and what does He look like? 7. Can God do everything that He wants to? Can He make so big a stone that He cannot lift? 8. Is creation and destruction a resultant of time or nature? An attempt has been made to answer these questions in this book. Since people are interested in the scientific view for answer to any type of question, an effort has been made to answer these questions from a scientific angle.
