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Author : Susan E. Hamen
Publisher : Lerner Publications (Tm)
Page : 36 pages
File Size : 52,6 Mb
Release : 2018
Category : Inventions
ISBN : 9781512483208
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!
Author : Gordon Greb,Mike Adams
Publisher : McFarland
Page : 259 pages
File Size : 52,8 Mb
Release : 2015-09-11
Category : Performing Arts
ISBN : 9780786483594
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.
Author : G.R.M. Garratt
Publisher : IET
Page : 105 pages
File Size : 55,8 Mb
Release : 1994-06-30
Category : Performing Arts
ISBN : 9780852968451
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.
Author : Susan E. Hamen
Publisher : Lerner Publications ™
Page : 32 pages
File Size : 41,7 Mb
Release : 2018-01-01
Category : Juvenile Nonfiction
ISBN : 9781541522480
You may have heard the story of how Guglielmo Marconi invented the radio, but what if it isn't entirely true? What if the brilliant young inventor Nikola Tesla was working on advancing radio technology at exactly the same time? You'll be captivated by the tale of two invention powerhouses facing off in a race to create the first long-range radio. In a battle filled with successes and setbacks, see how Marconi and Tesla set out to take home the gold. You'll never look at the radio the same way again!
Author : Sungook Hong
Publisher : MIT Press
Page : 267 pages
File Size : 48,6 Mb
Release : 2010-01-22
Category : Technology & Engineering
ISBN : 9780262514194
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.
Author : Victoria Sherrow
Publisher : Enslow Publishing
Page : 0 pages
File Size : 49,8 Mb
Release : 2004
Category : Inventors
ISBN : 0766022803
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.
Author : Marc Raboy
Publisher : Oxford University Press
Page : 432 pages
File Size : 40,7 Mb
Release : 2016-06-28
Category : Technology & Engineering
ISBN : 9780199313600
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.
Author : Susan E. Hamen
Publisher : Stem Smackdown (Alternator Boo
Page : 36 pages
File Size : 55,8 Mb
Release : 2018
Category : Juvenile Nonfiction
ISBN : 9781541512092
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!
Author : Marianne Fedunkiw
Publisher : Crabtree Publishing Company
Page : 36 pages
File Size : 47,7 Mb
Release : 2007
Category : Juvenile Nonfiction
ISBN : 077872817X
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.
Author : T. K. Sarkar,Robert Mailloux,Arthur A. Oliner,M. Salazar-Palma,Dipak L. Sengupta
Publisher : John Wiley & Sons
Page : 577 pages
File Size : 45,8 Mb
Release : 2006-01-30
Category : Technology & Engineering
ISBN : 9780471783015
Important new insights into how various components and systemsevolved Premised on the idea that one cannot know a science withoutknowing its history, History of Wireless offers a lively newtreatment that introduces previously unacknowledged pioneers anddevelopments, setting a new standard for understanding theevolution of this important technology. Starting with the background-magnetism, electricity, light, andMaxwell's Electromagnetic Theory-this book offers new insights intothe initial theory and experimental exploration of wireless. Inaddition to the well-known contributions of Maxwell, Hertz, andMarconi, it examines work done by Heaviside, Tesla, and passionateamateurs such as the Kentucky melon farmer Nathan Stubblefield andthe unsung hero Antonio Meucci. Looking at the story frommathematical, physics, technical, and other perspectives, theclearly written text describes the development of wireless within avivid 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 andapplications of electromagnetic oscillations and waves Wireless telegraphic and telephonic development and attempts toachieve transatlantic wireless communications Wireless telegraphy in South Africa in the early twentiethcentury 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 ofWireless fills in the conventionally accepted story withattention to more specific, less-known discoveries and individuals,and challenges traditional assumptions about the origins and growthof wireless. This allows for a more comprehensive understanding ofhow various components and systems evolved. Written in a clear tonewith a broad scientific audience in mind, this exciting andthorough treatment is sure to become a classic in the field.
Author : Gary L. Frost
Publisher : JHU Press
Page : 207 pages
File Size : 53,7 Mb
Release : 2010-04-01
Category : Technology & Engineering
ISBN : 9780801899133
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.
Author : Margaret Cheney
Publisher : Simon and Schuster
Page : 422 pages
File Size : 46,6 Mb
Release : 2011-11-08
Category : Biography & Autobiography
ISBN : 9781451674866
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.
Author : Mike Adams
Publisher : Springer Science & Business Media
Page : 553 pages
File Size : 49,9 Mb
Release : 2011-10-17
Category : Technology & Engineering
ISBN : 1461404185
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.
Author : Richard Munson
Publisher : W. W. Norton & Company
Page : 320 pages
File Size : 55,5 Mb
Release : 2018-05-22
Category : Biography & Autobiography
ISBN : 9780393635454
Tesla’s inventions transformed our world, and his visions have continued to inspire great minds for generations. Nikola Tesla invented the radio, robots, and remote control. His electric induction motors run our appliances and factories, yet he has been largely overlooked by history. In Tesla, Richard Munson presents a comprehensive portrait of this farsighted and underappreciated mastermind. When his first breakthrough—alternating current, the basis of the electric grid—pitted him against Thomas Edison’s direct-current empire, Tesla’s superior technology prevailed. Unfortunately, he had little business sense and could not capitalize on this success. His most advanced ideas went unrecognized for decades: forty years in the case of the radio patent, longer still for his ideas on laser beam technology. Although penniless during his later years, he never stopped imagining. In the early 1900s, he designed plans for cell phones, the Internet, death-ray weapons, and interstellar communications. His ideas have lived on to shape the modern economy. Who was this genius? Drawing on letters, technical notebooks, and other primary sources, Munson pieces together the magnificently bizarre personal life and mental habits of the enigmatic inventor. Born during a lightning storm at midnight, Tesla died alone in a New York City hotel. He was an acute germaphobe who never shook hands and required nine napkins when he sat down to dinner. Strikingly handsome and impeccably dressed, he spoke eight languages and could recite entire books from memory. Yet Tesla’s most famous inventions were not the product of fastidiousness or linear thought but of a mind fueled by both the humanities and sciences: he conceived the induction motor while walking through a park and reciting Goethe’s Faust. Tesla worked tirelessly to offer electric power to the world, to introduce automatons that would reduce life’s drudgery, and to develop machines that might one day abolish war. His story is a reminder that technology can transcend the marketplace and that profit is not the only motivation for invention. This clear, authoritative, and highly readable biography takes account of all phases of Tesla’s remarkable life.
Author : Gerald Nachman
Publisher : Univ of California Press
Page : 548 pages
File Size : 51,7 Mb
Release : 2000-08-23
Category : Drama
ISBN : 0520223039
Radio broadcasting United States History.