By Harry Henderson
Milestones in Discovery and Invention is an eight-volume set according to an easy but robust idea-that technological know-how and know-how are critical to people's day-by-day lives when it comes to how they comprehend the area and every different. Combining biography clinical reasoning, and heritage, every one quantity describes the move of medical and technological rules throughout the options that affected society and made extra learn possible.Communications and Broadcasting, Revised variation is an interesting review of 10 people who contributed considerably to the improvement of recent communications. every one bankruptcy comprises correct info at the person's study, accomplishments, moral or specialist stumbling blocks, and lasting contributions and concludes with a chronology and a listing of specific print and net references.The contributors (and their parts of analysis or accomplishment) profiled are: Samuel Morse (the electromagnetic telegraph), Alexander Graham Bell (the telephone), Thomas Edison (sound recording and movement pictures), Guglielmo Marconi (the instant telegraph), Edwin Armstrong (radio broadcasting), Philo Farnsworth (television), Claude Shannon (information theory), Joseph Licklider (the Internet), Tim Berners-Lee (the all over the world Web), Howard Rheingold (virtual communities). Communications and Broadcasting, Revised variation contains forty black-and-white pictures and line illustrations, a word list, a chronology of striking occasions, an inventory of print and net assets, and an index. Milestones in Discovery and Invention is a vital set for college students, academics, and basic readers that offers perception into the human quest for knowing, exploration, andinnovation.
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Extra resources for Communications and Broadcasting: From Wired Words to Wireless Web
B. Morse is born in Charleston, Massachusetts 1819 Danish professor Hans Christian Ørsted discovers electromagnetism 16 Communications and Broadcasting 1832 While returning from studying art in Europe, Morse conceives the idea for an electromagnetic telegraph 1837 Resolved to make his living as an inventor, Morse seeks technical and business help for the invention. , to Baltimore 1850 Skilled telegraph operators learn to receive messages by ear rather than printing them 1854 The United States now has 30,000 miles (48,000 km) of telegraph line 1858 Cyrus Field’s fi rst attempt at a transatlantic telegraph fails 1860 Automatic repeaters extend the range of telegraph land lines by hundreds of miles 1861 The transcontinental telegraph is completed; the telegraph is used for military messages and spying during the Civil War 1866 The fi rst successful transatlantic telegraph line is completed 1872 Morse dies after receiving many honors 1874–76 Thomas Edison, Alexander Graham Bell, and Elisha Gray invent telegraphs that can send multiple messages at the same time 1930 Associated Press closes its last telegraph line 2006 On January 27, Western Union officially discontinues telegraph service (which had not used actual telegraphs for many years) WRITING WITH LIGHTNING 17 Further Reading Books Clarke, Arthur C.
The gold rush of 1849 and its aftermath had brought a need to link the growing population of California with the rest of the Union. In 1860, Congress authorized contracts for completing a telegraph across the nation; work began in May 1861. The effort would be hampered by many difficulties. Since there was no transcontinental railroad yet, workers had to travel by wagon train. Wires and insulators for the western part of the line had to be shipped around Cape Horn at the tip of South America. On the plains, buffalo rubbed their itching backs against the poles and knocked them over.
Accessed on August 28, 2006. Includes information about Morse, a time line, and links to illustrations such as the original patent drawings for the telegraph. Smithsonian Institution. National Museum of American History. ” Available 18 Communications and Broadcasting online. html. Accessed on December 27, 2005. Includes a series of historical photos chronicling the development of communications and information technology from the telegraph to early computers. ” Available online. shtml#contents.