Download or read book Who Invented the Radio written by Susan E. Hamen and published by Lerner Publications (Tm). This book was released on 2018 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: The story of how Nikola Tesla and Guglielmo Marconi faced off in a race to invent the radio will have readers at the edge of their seats!
Download or read book Charles Herrold Inventor of Radio Broadcasting written by Gordon Greb and published by McFarland. This book was released on 2015-09-11 with total page 259 pages. Available in PDF, EPUB and Kindle. Book excerpt: Still broadcasting today, the world's first radio station was invented by Charles Herrold in 1909 in San Jose, California. His accomplishment was first documented in a notarized statement written by him and published in the Electro-Importing Company's 1910 catalog: "We have given wireless phone concerts to amateur wireless men throughout the Santa Clara Valley." Being the first to "broadcast" radio entertainment and information to a mass audience puts him at the forefront of modern day mass communication. This biography of Charles Herrold focuses on how he used primitive technology to get on the air. Today it is a 50,000-watt station (KCBS, in San Francisco). The authors describe Herrold's story as one of early triumph and final failure, the story of an "everyman," an individual who was an innovator but never received recognition for his work and, as a result, died penniless. His most important work was done between 1912 and 1917, and following World War I, he received a license and operated station KQW for several years before running out of money. Herrold then worked as a radio time salesman, an audiovisual technician for a high school, and a janitor at a local naval facility, still telling anyone who would listen to him that he was the father of radio. The authors also consider some other early inventors, and the directions that their work took.
Download or read book The Early History of Radio written by G.R.M. Garratt and published by IET. This book was released on 1994-06-30 with total page 105 pages. Available in PDF, EPUB and Kindle. Book excerpt: Radio was as much the culmination of the work of a series of scientists in the 19th Century, starting with Faraday, as it was an invention by Marconi. This book aims to illustrate the contributions made by these scientists and show how each was dependent upon the work and ideas of his predecessors; Faraday, Henry, Maxwell, Hughes, Fitzgerald, Hertz, Lodge and Marconi.
Download or read book Guglielmo Marconi written by Victoria Sherrow and published by Enslow Publishing. This book was released on 2004 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Guglielmo Marconi is one of the most important inventors of the modern age. Prior to Marconi's work, telegraph signals had to be transmitted through electric wires, but in 1895, Marconi successfully sent the first telegraph signals through the air. In 1901, Marconi transmitted the first wireless communication across the Atlantic Ocean. For his groundbreaking work with wireless transmissions, Marconi was awarded the Nobel Prize for physics in 1909. In addition to the development of radio, Marconi would also do pioneering work with short waves and microwaves. Marconi was born in Bologna, Italy. As a child, Marconi demonstrated a strong interest in science. Although he failed the University of Bologna entrance exam, he decided to continue pursuing scientific studies on his own. In addition to the Nobel Prize he later earned, Marconi also won many other honors for his revolutionary work in electronic communication. Book jacket.
Download or read book Wireless written by Sungook Hong and published by MIT Press. This book was released on 2010-01-22 with total page 267 pages. Available in PDF, EPUB and Kindle. Book excerpt: A new look at the early history of wireless communication. By 1897 Guglielmo Marconi had transformed James Clerk Maxwell's theory of electromagnetic waves into a workable wireless telegraphy system, and by 1907 Lee de Forest had invented the Audion, a feedback amplifier and oscillator that opened the way to practical radio transmission. Fifteen years after Marconi's invention, wireless had become an essential means of communication, as well as a hobby for many. This book offers a new perspective on the early days of wireless communication. Drawing on previously untapped archival evidence and recent work in the history and sociology of science and technology, it examines the substance and context of both experimental and theoretical aspects of engineering and scientific practices in the first years of this technology. It offers new insights into the relationship between Marconi and his scientific advisor, the physicist John Ambrose Fleming (inventor of the vacuum tube). It includes the full story of the infamous 1903 incident in which Marconi's opponent Nevil Maskelyne interfered with Fleming's public demonstration of Marconi's syntonic (tuning) system at the Royal Institution by sending derogatory messages from his own transmitter. The analysis of the Maskelyne affair highlights the struggle between Marconi and his opponents, the efficacy of early syntonic devices, Fleming's role as a public witness to Marconi's private experiments, and the nature of Marconi's "shows." It also provides a rare case study of how the credibility of an engineer can be created, consumed, and suddenly destroyed. The book concludes with a discussion of de Forest's Audion and the shift from wireless telegraphy to radio.
Download or read book Marconi written by Marc Raboy and published by Oxford University Press. This book was released on 2016-06-28 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: A little over a century ago, the world went wireless. Cables and all their limiting inefficiencies gave way to a revolutionary means of transmitting news and information almost everywhere, instantaneously. By means of "Hertzian waves," as radio waves were initially known, ships could now make contact with other ships (saving lives, such as on the doomed S.S. Titanic); financial markets could coordinate with other financial markets, establishing the price of commodities and fixing exchange rates; military commanders could connect with the front lines, positioning artillery and directing troop movements. Suddenly and irrevocably, time and space telescoped beyond what had been thought imaginable. Someone had not only imagined this networked world but realized it: Guglielmo Marconi. As Marc Raboy shows us in this enthralling and comprehensive biography, Marconi was the first truly global figure in modern communications. Born to an Italian father and an Irish mother, he was in many ways stateless, working his cosmopolitanism to advantage. Through a combination of skill, tenacity, luck, vision, and timing, Marconi popularized--and, more critically, patented--the use of radio waves. Soon after he burst into public view at the age of 22 with a demonstration of his wireless apparatus in London, 1896, he established his Wireless Telegraph & Signal Company and seemed unstoppable. He was decorated by the Czar of Russia, named an Italian Senator, knighted by King George V of England, and awarded the Nobel Prize for Physics--all before the age of 40. Until his death in 1937, Marconi was at the heart of every major innovation in electronic communication, courted by powerful scientific, political, and financial interests. He established stations and transmitters in every corner of the globe, from Newfoundland to Buenos Aires, Hawaii to Saint Petersburg. Based on original research and unpublished archival materials in four countries and several languages, Raboy's book is the first to connect significant parts of Marconi's story, from his early days in Italy, to his groundbreaking experiments, to his protean role in world affairs. Raboy also explores Marconi's relationshps with his wives, mistresses, and children, and examines in unsparing detail the last ten years of the inventor's life, when he returned to Italy and became a pillar of Benito Mussolini's fascist regime. Raboy's engrossing biography, which will stand as the authoritative work of its subject, proves that we still live in the world Marconi created.
Download or read book Signor Marconi s Magic Box written by Gavin Weightman and published by Da Capo Press. This book was released on 2009-06-16 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: The world at the turn of the twentieth century was in the throes of "Marconi-mania"-brought on by an incredible invention that no one could quite explain, and by a dapper and eccentric figure (who would one day win the newly minted Nobel Prize) at the center of it all. At a time when the telephone, telegraph, and electricity made the whole world wonder just what science would think of next, the startling answer had come in 1896 in the form of two mysterious wooden boxes containing a device one Guglielmo Marconi had rigged up to transmit messages "through the ether." It was the birth of the radio, and no scientist in Europe or America, not even Marconi himself, could at first explain how it worked -- it just did. And no one knew how far these radio waves could travel, until 1903, when a message from President Theodore Roosevelt to the king of England flashed from Cape Cod to Cornwall clear across the Atlantic.Here is a rich portrait of the man and his era-and a captivating tale of science and scientists, business and businessmen. There are stories of British blowhards, American con artists-and Marconi himself: a character par excellence, who eventually winds up a virtual prisoner of his worldwide fame and fortune.
Download or read book Early FM Radio written by Gary L. Frost and published by JHU Press. This book was released on 2010-04-01 with total page 207 pages. Available in PDF, EPUB and Kindle. Book excerpt: The commonly accepted history of FM radio is one of the twentieth century’s iconic sagas of invention, heroism, and tragedy. Edwin Howard Armstrong created a system of wideband frequency-modulation radio in 1933. The Radio Corporation of America (RCA), convinced that Armstrong’s system threatened its AM empire, failed to develop the new technology and refused to pay Armstrong royalties. Armstrong sued the company at great personal cost. He died despondent, exhausted, and broke. But this account, according to Gary L. Frost, ignores the contributions of scores of other individuals who were involved in the decades-long struggle to realize the potential of FM radio. The first scholar to fully examine recently uncovered evidence from the Armstrong v. RCA lawsuit, Frost offers a thorough revision of the FM story. Frost’s balanced, contextualized approach provides a much-needed corrective to previous accounts. Navigating deftly through the details of a complicated story, he examines the motivations and interactions of the three communities most intimately involved in the development of the technology—Progressive-era amateur radio operators, RCA and Westinghouse engineers, and early FM broadcasters. In the process, Frost demonstrates the tension between competition and collaboration that goes hand in hand with the emergence and refinement of new technologies. Frost's study reconsiders both the social construction of FM radio and the process of technological evolution. Historians of technology, communication, and media will welcome this important reexamination of the canonic story of early FM radio.
Download or read book History of Wireless written by T. K. Sarkar and published by John Wiley & Sons. This book was released on 2006-01-30 with total page 683 pages. Available in PDF, EPUB and Kindle. Book excerpt: Important new insights into how various components and systems evolved Premised on the idea that one cannot know a science without knowing its history, History of Wireless offers a lively new treatment that introduces previously unacknowledged pioneers and developments, setting a new standard for understanding the evolution of this important technology. Starting with the background-magnetism, electricity, light, and Maxwell's Electromagnetic Theory-this book offers new insights into the initial theory and experimental exploration of wireless. In addition to the well-known contributions of Maxwell, Hertz, and Marconi, it examines work done by Heaviside, Tesla, and passionate amateurs such as the Kentucky melon farmer Nathan Stubblefield and the unsung hero Antonio Meucci. Looking at the story from mathematical, physics, technical, and other perspectives, the clearly written text describes the development of wireless within a vivid scientific milieu. History of Wireless also goes into other key areas, including: The work of J. C. Bose and J. A. Fleming German, Japanese, and Soviet contributions to physics and applications of electromagnetic oscillations and waves Wireless telegraphic and telephonic development and attempts to achieve transatlantic wireless communications Wireless telegraphy in South Africa in the early twentieth century Antenna development in Japan: past and present Soviet quasi-optics at near-mm and sub-mm wavelengths The evolution of electromagnetic waveguides The history of phased array antennas Augmenting the typical, Marconi-centered approach, History of Wireless fills in the conventionally accepted story with attention to more specific, less-known discoveries and individuals, and challenges traditional assumptions about the origins and growth of wireless. This allows for a more comprehensive understanding of how various components and systems evolved. Written in a clear tone with a broad scientific audience in mind, this exciting and thorough treatment is sure to become a classic in the field.
Download or read book Lee de Forest written by Mike Adams and published by Springer Science & Business Media. This book was released on 2011-10-17 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt: The life-long inventor, Lee de Forest invented the three-element vacuum tube used between 1906 and 1916 as a detector, amplifier, and oscillator of radio waves. Beginning in 1918 he began to develop a light valve, a device for writing and reading sound using light patterns. While he received many patents for his process, he was initially ignored by the film industry. In order to promote and demonstrate his process he made several hundred sound short films, he rented space for their showing; he sold the tickets and did the publicity to gain audiences for his invention. Lee de Forest officially brought sound to film in 1919. Lee De Forest: King of Radio, Television, and Film is about both invention and early film making; de Forest as the scientist and producer, director, and writer of the content. This book tells the story of de Forest’s contribution in changing the history of film through the incorporation of sound. The text includes primary source historical material, U.S. patents and richly-illustrated photos of Lee de Forest’s experiments. Readers will greatly benefit from an understanding of the transition from silent to audio motion pictures, the impact this had on the scientific community and the popular culture, as well as the economics of the entertainment industry.
Download or read book Raised on Radio written by Gerald Nachman and published by Univ of California Press. This book was released on 2000-08-23 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt: Radio broadcasting United States History.
Download or read book Tesla written by Margaret Cheney and published by Simon and Schuster. This book was released on 2011-11-08 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this “informative and delightful” (American Scientist) biography, Margaret Cheney explores the brilliant and prescient mind of Nikola Tesla, one of the twentieth century’s greatest scientists and inventors. In Tesla: Man Out of Time, Margaret Cheney explores the brilliant and prescient mind of one of the twentieth century's greatest scientists and inventors. Called a madman by his enemies, a genius by others, and an enigma by nearly everyone, Nikola Tesla was, without a doubt, a trailblazing inventor who created astonishing, sometimes world-transforming devices that were virtually without theoretical precedent. Tesla not only discovered the rotating magnetic field -- the basis of most alternating-current machinery -- but also introduced us to the fundamentals of robotics, computers, and missile science. Almost supernaturally gifted, unfailingly flamboyant and neurotic, Tesla was troubled by an array of compulsions and phobias and was fond of extravagant, visionary experimentations. He was also a popular man-about-town, admired by men as diverse as Mark Twain and George Westinghouse, and adored by scores of society beauties. From Tesla's childhood in Yugoslavia to his death in New York in the 1940s, Cheney paints a compelling human portrait and chronicles a lifetime of discoveries that radically altered -- and continue to alter -- the world in which we live. Tesla: Man Out of Time is an in-depth look at the seminal accomplishments of a scientific wizard and a thoughtful examination of the obsessions and eccentricities of the man behind the science.
Download or read book The Portable Radio in American Life written by Michael Brian Schiffer and published by University of Arizona Press. This book was released on 2022-04-19 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this fascinating history of the portable radio, Michael Schiffer shows how this invention is as American as apple pie. Along the way, he tells how technology has responded to consumer preference, how corporate "cryptohistory" has made us believe the Japanese invented the radio, and how the spread of the portable radio mirrors that of other technologies. More than 400 photographs make this book both a definitive resource and a delightful browse.
Download or read book That s the Way It Is written by Charles L. Ponce de Leon and published by University of Chicago Press. This book was released on 2016-09-09 with total page 331 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ever since Newton Minow taught us sophisticates to bemoan the descent of television into a vast wasteland, the dyspeptic chorus of jeremiahs who insist that television news in particular has gone from gold to dross gets noisier and noisier. Charles Ponce de Leon says here, in effect, that this is misleading, if not simply fatuous. He argues in this well-paced, lively, readable book that TV news has changed in response to broader changes in the TV industry and American culture. It is pointless to bewail its decline. "That s the Way It Is "gives us the very first history of American television news, spanning more than six decades, from Camel News Caravan to Countdown with Keith Oberman and The Daily Show. Starting in the latter 1940s, television news featured a succession of broadcasters who became household names, even presences: Eric Sevareid, Walter Cronkite, David Brinkley, Peter Jennings, Brian Williams, Katie Couric, and, with cable expansion, people like Glenn Beck, Jon Stewart, and Bill O Reilly. But behind the scenes, the parallel story is just as interesting, involving executives, producers, and journalists who were responsible for the field s most important innovations. Included with mainstream network news programs is an engaging treatment of news magazines like "60 Minutes" and "20/20, " as well as morning news shows like "Today" and "Good Morning America." Ponce de Leon gives ample attention to the establishment of cable networks (CNN, and the later competitors, Fox News and MSNBC), mixing in colorful anecdotes about the likes of Roger Ailes and Roone Arledge. Frothy features and other kinds of entertainment have been part and parcel of TV news from the start; viewer preferences have always played a role in the evolution of programming, although the disintegration of a national culture since the 1970s means that most of us no longer follow the news as a civic obligation. Throughout, Ponce de Leon places his history in a broader cultural context, emphasizing tensions between the public service mission of TV news and the quest for profitability and broad appeal."
Download or read book Inventing the Radio written by Marianne Fedunkiw and published by Crabtree Publishing Company. This book was released on 2007 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discusses the history of radios and radio waves and how they are used to make our lives better, how they work, and who invented the radio equipment.
Download or read book Cognitive Radio Architecture written by Joseph Mitola, III and published by John Wiley & Sons. This book was released on 2006-09-14 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt: An exciting new technology, described by the one who invented it This is the first book dedicated to cognitive radio, a promising new technology that is poised to revolutionize the telecommunications industry with increased wireless flexibility. Cognitive radio technology integrates computational intelligence into software-defined radio for embedded intelligent agents that adapt to RF environments and user needs. Using this technology, users can more fully exploit the radio spectrum and services available from wireless connectivity. For example, an attempt to send a 10MB e-mail in a zone where carrier charges are high might cause a cognitive radio to alert its user and suggest waiting until getting to the office to use the LAN instead. Cognitive Radio Architecture examines an "ideal cognitive radio" that features autonomous machine learning, computer vision, and spoken or written language perception. The author of this exciting new book is the inventor of the technology and a leader in the field. Following his step-by-step introduction, readers can start building aware/adaptive radios and then make steps towards cognitive radio. After an introduction to adaptive, aware, and cognitive radio, the author develops three major themes in three sections: Foundations Radio Competence User Domain Competence The book makes the design principles of cognitive radio more accessible to students of teleinformatics, as well as to wireless communications systems developers. It therefore embraces the practice of cognitive radio as well as the theory. In particular, the publication develops a cognitive architecture that integrates disparate disciplines, including autonomous machine learning, computer vision, and language perception technologies. An accompanying CD-ROM contains the Java source code and compiled class files for applications developed in the book. In addition, for the convenience of the reader, Web resources introducing key concepts such as speech applications programmer interfaces (APIs) are included. Although still five to ten years away from full deployment, telecommunications giants and research labs around the world are already dedicating R&D to this new technology. Telecommunications engineers as well as advanced undergraduate and graduate students can learn the promising possibilities of this innovative technology from the one who invented it. Note: CD-ROM/DVD and other supplementary materials are not included as part of eBook file.
Download or read book Radio Voices written by Michele Hilmes and published by U of Minnesota Press. This book was released on 1997 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: Looks at the history of radio broadcasting as an aspect of American culture, and discusses social tensions, radio formats, and the roles of African Americans and women
