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Author : Marianne Fedunkiw
Publisher : Crabtree Publishing Company
Page : 36 pages
File Size : 42,5 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 : Susan E. Hamen
Publisher : Lerner Publications ™
Page : 32 pages
File Size : 47,8 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 : William Rupert Maclaurin,R. Joyce Harman
Publisher : Unknown
Page : 352 pages
File Size : 42,9 Mb
Release : 1949
Category : Radio
ISBN : WISC:89053851184
Author : Sungook Hong
Publisher : MIT Press
Page : 267 pages
File Size : 41,9 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 : Gavin Weightman
Publisher : HarperCollins UK
Page : 338 pages
File Size : 42,9 Mb
Release : 2012-03-29
Category : Biography & Autobiography
ISBN : 9780007402250
The intriguing story of how wireless was invented by Guglielmo Marconi – and how it amused Queen Victoria, saved the lives of the Titanic survivors, tracked down criminals and began the radio revolution.
Author : Marianne Fedunkiw
Publisher : Turtleback Books
Page : 128 pages
File Size : 44,8 Mb
Release : 2007-03-01
Category : Juvenile Nonfiction
ISBN : 1417789190
The first successful radio transmission forever changed the way humans communicate, share news, and enjoy entertainment. This comprehensive book combines both the history and technology behind radio through the ages, documenting the earliest experiments with radio waves to the arrival of podcasting.
Author : Gregory Malanowski
Publisher : AuthorHouse
Page : 151 pages
File Size : 40,8 Mb
Release : 2011
Category : Education
ISBN : 9781463437503
The book is not only a history of development of wireless communication, or the radio, as it was later named. It also presents portraits of fascinating visionaries, experimenters and scientists and the stories of their successes and failures. The history begins as a race between inventors, but later becames a race chiefly between corporations. Even today, there are a great number of contradictory opinions and common beliefs regarding the fatherhood of the wireless. At the end of the 19th and the beginning of the 20th centuries, the exchange of information was slow and unreliable. Many talented individuals worked concurrently in different parts of the world, trying to develop the same wireless apparatus and not knowing that they already had competitors. Sometimes, inflated egos undermined their success. Some of the inventors lacked integrity. Legal battles ensued. So, who was the first at the finish line? To determine who was the winner of the race for wireless, or who can be named the "father of the wireless", substantial amounts of historical and political background as well as a thorough analysis of inventions are included in this book. The story is based on published memoirs and papers, encyclopedias, and countless historical and technical materials in the public domain. In many cases it was necessary to filter out the emotional biases (of traditional or national origin) of the source material and to seek the correct chronology of discoveries. The author uses published patents - their dates of issue, technical claims and drawings - as the ultimate source of judgment. In the appendix, "The Vacuum Tube Sound", the author compares the quality of sound amplified by a vacuum tube amplifier with the quality of sound amplified by modern semiconductor amplifiers. What are the differences, if any? The answer may surprise you.
Author : Marc Raboy
Publisher : Oxford University Press
Page : 432 pages
File Size : 53,6 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 : Gavin Weightman
Publisher : Da Capo Press
Page : 336 pages
File Size : 42,8 Mb
Release : 2009-06-16
Category : History
ISBN : 9780786748549
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.
Author : Gayle Worland
Publisher : Capstone Press
Page : 32 pages
File Size : 40,9 Mb
Release : 2000-08
Category : Juvenile Nonfiction
ISBN : 0736845429
Provides an introduction to the history and development of the radio and explains how a radio works. Includes information on some of the scientists and inventors who were influential of the invention of the radio.
Author : W. Rupert Maclaurin
Publisher : Unknown
Page : 304 pages
File Size : 53,8 Mb
Release : 1971
Category : Electronic
ISBN : OCLC:487656726
Author : Gavin Weightman
Publisher : HarperCollins Publishers
Page : 360 pages
File Size : 44,9 Mb
Release : 2003
Category : Biography & Autobiography
ISBN : UOM:39015058089296
Gavin Weightman tells the story of how Guglielmo Marconi invented wireless - and how it amused Queen Victoria, saved the lives of the Titanic survivors, tracked down criminals and began the radio revolution.
Author : Margaret Cheney
Publisher : Simon and Schuster
Page : 422 pages
File Size : 40,7 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 : Victoria Sherrow
Publisher : Enslow Publishing
Page : 0 pages
File Size : 53,9 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 : Lewis Coe
Publisher : McFarland
Page : 204 pages
File Size : 47,5 Mb
Release : 2015-07-25
Category : Performing Arts
ISBN : 9781476621463
In 1873 Scottish physicist James Clerk Maxwell first advanced the idea that there might be electromagnetic waves that were similar to light waves, a startling concept to the scientists of his day. About 13 years later, German physicist Heinrich Hertz demonstrated in his laboratory that electromagnetic radiation did indeed exist. But it was not until after Hertz's death that a young Italian named Guglielmo Marconi got the idea for a practical communications system based on Hertz's work. Marconi was surprised and disappointed that the Italian government was not interested in his newly discovered wireless communications system, and thus he took his equipment to England. From that point on, the wireless became identified with Britain. From these beginnings, wireless radio became the basis of a revolution that has resulted in the satellite communications of today. This history first looks at Marconi's invention and then explores its many applications, including marine radio, cellular telephones, police and military uses, television and radar. Radio collecting is also discussed, and brief biographies are provided for the major figures in the development and use of the wireless.