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Radio waves twentieth century
History of radio
Radio waves twentieth century
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Do you know who invented the radio signal? The point of this writing is to explain who Guglielmo Marconi is. He made the first successful long distance wireless telegraph, he invented the magnetic detector, he invented tuned telegraph.
The first way my inventor impacted the world is that he made the first successful long distance wireless telegraph. “Guglielmo Marconi developed, demonstrated and marketed the first successful long distance wireless telegraph” HISTORY.com. Guglielmo Marconi saved many lives because of his radio signal. Guglielmo Marconi invented the radio signal subsequently making it possible for people to communicate from a far distance.
The second way my inventor impacted the world is by inventing tuned telegraphy, therefore
he proved that wireless waves were not affected by the curvature of the earth. “In 1900 he took out his famous patent NO. 7777 for tuned or syntonic telegraphy.” HISTORY.com. He used his system for transmitting the first wireless signals across the atlantic between Poldhu. The third way my inventor impacted the world is that he invented the magnetic detector, additionally inventing the beam system for long distance communication. “His magnetic detector which then became the standard wireless receiver for many years.” nobel prize. He also created the microwave radio beacon for ship navigation. Guglielmo Marconi impacted the world by inventing the first successful long distance wireless telegraph, the magnetic detector, and inventing tuned telegraph. My topic matters because if Guglielmo Marconi did not come up with all of his inventions the nobody on the titanic would have stayed alive.
Wireless begins with a brief discussion of the 1995 centennial of the invention of radio by Marconi and a rebuttal by the British historians who oppose this claim. Using underused or previously overlooked or perhaps ignored resources the author disproves the claims against the originality and ingenuity of Marconi's 1897 patent on wireless telegraphy. While credit is given to several British scientists and engineers and their scientific discoveries and inventions, it was Marconi, a practitioner, who made the first significant breakthrough in practical wireless telegraphy when he "connected one end of the plate of the receiver, and one end of the transmitter, to the earth" (p. 20). Marconi transformed these scientific effects into wireless technologies and then exploited them for commercial purposes. The focus of British scientists and engineers on optical analogies, scientific experimentation and demonstration, and the fear of British national interests becoming monopolized (particularly by a foreigner) are the primary reasons for the dispute surrounding Marconi's patent. (By 1897 it was clear how wireless telegraphy would impact military interests.) The author shows in great detail how British scientists and engineers, namely physicist Oliver Lodge, J. J. Thomson, Minchin, Rollo Appleyard, and Campbell Swinton, deliberately constructed false scientific and social claims to discredit the originality of Marconi's patent.
Radio waves were first discovered in 1887, but radio itself was initially invented by Italian Guglielmo Marconi in 1895 (1). His biggest mentioned success was in 1901, when he managed to broadcast the letter “S” across the Atlantic Ocean (1). However, he focused primarily on point-to-point transmissions, not large scale broadcasts from one point (F). As such, three American inventors - Lee De Forest, Edwin Howard Armstrong, and David Sarnoff - took credit for making radio as it is today a success (F). De Forest was born and raised in Alabama and he thought of everything in terms of patents and eventually held more than 300, but many claimed that he simply stole the inventions of others (2). In 1900, he patented a device to enhance weak signals and in 1902, he formed the De Forest Wireless Telegraph Company (1). In the same year. Reginald Fessenden, a Canadian, invented the “electrolytic detector”, which later became the spade detector that brought De Forest so much fame (F). In 1904, John Fleming invented the oscillation valve, which later became De Forest’s audion, and De Forest won the gold medal at the St. Louis World’s Fair for his “spade detector” (F). De Forest gained quite a bit of fame by broadcasting music live from the Eiffel Tower and from the Metropolitan Opera; however, many believed that this was a scam and that he had actually had the device broadcasting the signal only a few blocks away (F). In 1906, he envisioned bringing music and voices to all American households, but as it turns out Canadian inventor Fessenden had already broadcasted a Christmas greeting and music to the crew of a ship off the coast of Canada on Christmas Eve a year earlier (F). In 1912, Armstrong became prominent by inventing regeneration, wh...
Michelangelo was born in Caprese, Italy on March 6th 1475. His family was politically prominent as his family had large land property. His father was a banker and was looking to his son to engage in his businesses. As a young boy, he has ambitions of becoming a sculptor, but his father was very discouraging of this. He wanted his son to live up to the family name and take up his father’s businesses. Michelangelo became friends with Francesco Granacci, who introduced him to Domenico Ghirlandio(biography.com). Michelangelo and his father got into a series of arguments until eventually they arranged for him to study under Ghirlandaio at the age of thirteen. Ghirlandaio watched Michelangelo work and recognized his talent for the art and recommended him into an apprenticeship for the Medici family palace studio after only one year of at the workshop. The Medici’s were very rich from making the finest cloths. Lorenzo, which was one of the most famous of the family had a soft side for art and is credited for helping the Italian Renaissance become a time of illustrious art and sculpting. At ...
Giovanni Pico della Mirandola was an Italian humanist, philosopher, scholar, Neo-Platonist and writer whose main passion was the reconciliation of philosophy and religion. Giovanni Pico della Mirandola was born on the 24th of February 1463 to a wealthy and illustrious family and died on the 17th of November 1494. Being the youngest son of three boys, Giovanni Pico della Mirandola was mostly outlived by his elder brothers who took on presumably significant roles; his brother Antonio became an imperial army general while Galeotto 1 continued their father’s dynasty. Leaving behind his share of ancestral wealth and principality, he went on to become one of the world’s respected writers after fully devoting himself to studying theology and philosophy (Mirandola, Mirandola, Rigg and More, 1890). This essay discusses the life of Giovanni Pico della Mirandola; his strive towards success and contributions to the Italian renaissance.
Mazzini's Ideas and Inspiration and Attitudes to Change in Italy in 1830s Introduction Guisseppe Mazzini was born in piedmont in Genoa; was a son of a doctor and a professor. He was a depressive and physically frail. In the revolutions of 1820 he became a nationalist. He tried two occupational directions, Medicine but became bored and kept fainting as well as Law that didn't interest him.
The Life of Garibaldi Giuseppe Garibaldi was born in Nice, France in 1807. He spent most of his youth as a sailor on Mediterranean merchant ships. In 1883 he joined Young Italy, the movement organised by the Italian revolutionary Giuseppe Mazzini. He believed that all Italian people should be free and that Italyshould not only be independent, but also an integrated republic. Italyhad been left completely fragmented by the settlements reached at Congress of Vienna in 1815.
Pico della Mirandola was an Italian Philosopher and a humanist. A lot of people would consider Pico della Mirandola an ideal man of the Italian Renaissance. Pico really helped the Renaissance, he made a huge impact on a lot of other philosophers, and a lot of other philosophers influenced him. Pico della Mirandola once stated,“Whatever seeds each man cultivates will grow to maturity and bear in him their own fruit. If they be vegetative, he will be like a plant.”(BrainyQuote). Pico della Mirandola was the biggest influence on Renaissance philosophy because of his book, Oration on the Dignity of Man, his 900 theses, and his religious impact.
Around the time of the thirteenth and fourteenth centuries, Europe was a place in need of inspiration. Marco Polo, a merchant, and still a simple man, was this source of inspiration. He was an ordinary boy during his childhood, living a similar life to the other boys his age. Although his intentions might not have been as significant as his impact, he was very influential. Marco Polo served as an influence to many later explorers. Whether it was through his book, The Travels of Marco Polo, which focused mainly on descriptions of spices and commercial goods and many other interesting trade items he encountered in his travels, he sparked an interest and desire of not only Europe, but later explorers as well . Marco Polo was viewed to have had definite charm and also having much capability. He has also proven that he was a tough man. This is evident because of the many voyages he survived, which included occurrences of bandit ambushes, disease, and not to mention the fatigue of the travel. There have been many who believe that Marco Polo was not intellectually equipped, meaning that he was not a very educated man, as no European probably was at the time . But as always, there is of course some speculation on the many aspects of the life of Marco Polo. Many people have their own beliefs of whom the real Marco Polo was and what he accomplished. There will be mention on some of the alleged negative, yet also positive aspects of his life. Despite all the accusations or assumptions of Marco Polo, history was affected as a result of his existence. He still remains an important figure in history.
Samuel Morse contributed many things to American society. In 1832 when returning from Europe from a period of art study on the ship Sully, Samuel overheard a conversation about the newly discovered electromagnets and came up with the idea of an electric telegraph. By 1835 he had his first telegraph model working in the New York University building. In 1837, he acquired two partners to help him develop his telegraph. Leonard Gale and Alfred Vail were the two men that he chose. They applied for a patent in 1837 for the telegraph, which included the dot and dash code.
Dante Alighieri's Influence on Italian Culture. Dante Alighieri was a very well known and influential poet in early literature. He was not only a poet, he was also a philosophical thinker, an active politician, and a religious visionary'; (Holmes 1). Dante was born in Florence in 1265, into the Guelph political party, one of the two main parties in Florence. The Guelphs were aristocrats and nobles.
There are many famous people in world history. Some of them have changed history while history has changed others. When it comes to Marco Polo, he changed history. He was fearless, he never turned back from his journey no matter how dangerous it was. He was also a very curious person, he would always want to find new places and discover new things. Whenever he had met a new civilization he would write down all the interesting facts about those civilizations into one book. He then published the book for all people to see. The book impacted every civilization all around the world because people in some civilizations would start to follow other customs that they weren’t accustomed to follow. Before the book all the civilizations knew about was their own customs, but now they can try new things rather than the same things over and over again.
In proposing that he was the first inventor, Leibniz states that "it is most useful that the true origins of memorable inventions be known, especially of those that were conceive not by accident but by an effort of meditation. The use of this is not merely that history may give everyone his due and others be spurred by the expectation of similar praise, but also that the art of discovery may be promoted and its method become known through brilliant examples.”
Edison invented and improved upon things that changed our world. Some of the things he invented, he did by himself. Some he did with other people. Just about all his inventions are still around today and are commonly used. It was important to Edison that he created and invented things that people could use in their everyday life.
Many inventions revolutionized society and one example is the telephone, which was introduced to society in 1876. The inventor, Alexander Graham Bell developed this idea and the telephone made him famous because communication would never be the same after the development of the telephone. The telephone made an incredible impact on society. The impact could be seen through the quickness of communication, business, easier communication in wars, and some negative effects too.
Every invention ever known to man had pioneers or people who contributed to the creation of the product. Radio had many pioneers that allowed for its creation and their names are Heinrich Hertz, Nikola Tesla, Ernst Alexander, Edwin Armstrong, Guglielmo Marconi, Lee DeForest, Frank Conrad, Reginald Fessenden, and Edward Armstrong. It all started with a German physicist named Heinrich Hertz who in 1884 proved that you could transmit and receive electric waves wirelessly. Hertz thought that the work he had done had no use whatsoever but little did he know that what he done is considered the fundamental building block of radio, and that is the reason why every frequency measurement is named after him (Short). In that same year a Serbian-American inventor named Nikola Tesla came to the U.S and sold patents to his inventions to a man named George Westinghouse. After that Tesla established his own lab which is where he built the tesla coil , an induction coil that is still used in radio today (Short). The next progression of radio focused on more than just the transmission of waves, the new focus was transmission of speech. The first to begin to add speech into the radio mix was Ernst Alexander, a Sweden born inventor who developed the first alternator to make speech transmission possible (Short). This was so new to the s...