Again the rest of the students and myself were given the choice of three briefs to choose from. I chose to take on another animation project. The task is to create at least a minute long animation to go alongside a BBC Radio 4 broadcast. There were four to choose from and I chose the one titled 'The birth of Radio'.
I listened to all four but this one appealed to me the most because it spoke of social historical changes, which I always find fascinating. It goes over and brings into context: the Industrial Revolution, the British Empire, the first of radio technology, Victorian England, Thomas Hardy and even the French Revolution! Its main topic point is to do with 'wireless telegraphy' and its inventor, Guglielmo Marconi.
Here is the radio broadcast and some background knowledge to do with 'wireless telegraphy', Guglielmo Marconi and other elements related:
http://www.bbc.co.uk/programmes/p010qnhc
'Wireless Telegraphy', sourced from Wikipedia
Wireless telegraphy is a historical term used today to apply to early radio telegraph communications techniques and practices, particularly those used during the first three decades of radio (1887 to 1920) before the term radio came into use.
Wireless telegraphy originated as a term to describe electrical signalling without the electric wires to connect the end points. The intent was to distinguish it from the conventional electric telegraph signalling of the day that required wire connection between the end points. The term was initially applied to a variety of competing technologies to communicate messages encoded as symbols, without wires, around the turn of the 20th century, but radio emerged as the most significant.
Wireless telegraphy rapidly came to mean Morse code transmitted with Hertzian waves (electromagnetic waves) decades before it came to be associated with the term radio. Radio-telephony by 1920's began to displace radio telegraphy for many applications and was the basis of public broadcasting. Radio-telegraphy continued to be used for point-to-point business, governmental, and military communication, and evolved into radioteletype networks. Wireless telegraphy is still used widely today by amateur radio hobbyists where it is commonly referred to as radiotelegraphy, continuous wave, or just CW.
Guglielmo Marconi, sourced from Wikipedia
Guglielmo Marconi (25 April 1874 – 20 July 1937) was an Italian inventor, known for his pioneering work on long distance radio transmission and for his development of Marconi's law and a radio telegraph system. Marconi is often credited as the inventor of radio, and he shared the 1909 Nobel Prize in Physics with Karl Ferdinand Braun "in recognition of their contributions to the development of wireless telegraphy". As an entrepreneur, businessman, and founder of the The Wireless Telegraph & Signal Company in Britain in 1897, Marconi succeeded in making a commercial success of radio by innovating and building on the work of previous experimenters and physicists. In 1924, he was ennobled as a Marchese.
By 1897, Guglielmo Marconi conducted a series of demonstrations with a radio system for signalling for communications over long distances. Marconi is said to have read, while on vacation in 1894, about the experiments that Hertz did in the 1880's. Marconi also read about Tesla's work. It was at this time that Marconi began to understand that radio waves could be used for wireless communications. Marconi's early apparatus was a development of Hertz’s laboratory apparatus into a system designed for communications purposes. At first, Marconi used a transmitter to ring a bell in a receiver in his attic laboratory. He then moved his experiments out-of-doors on the family estate near Bologna, Italy, to communicate farther. He replaced Hertz’s vertical dipole with a vertical wire topped by a metal sheet, with an opposing terminal connected to the ground. On the receiver side, Marconi replaced the spark gap with a metal powder coherer, a detector developed by Edouard Branly and other experimenters. Marconi transmitted radio signals for about a mile at the end of 1895.
Industrial Revolution, sourced from Wikipedia
By 1897, Guglielmo Marconi conducted a series of demonstrations with a radio system for signalling for communications over long distances. Marconi is said to have read, while on vacation in 1894, about the experiments that Hertz did in the 1880's. Marconi also read about Tesla's work. It was at this time that Marconi began to understand that radio waves could be used for wireless communications. Marconi's early apparatus was a development of Hertz’s laboratory apparatus into a system designed for communications purposes. At first, Marconi used a transmitter to ring a bell in a receiver in his attic laboratory. He then moved his experiments out-of-doors on the family estate near Bologna, Italy, to communicate farther. He replaced Hertz’s vertical dipole with a vertical wire topped by a metal sheet, with an opposing terminal connected to the ground. On the receiver side, Marconi replaced the spark gap with a metal powder coherer, a detector developed by Edouard Branly and other experimenters. Marconi transmitted radio signals for about a mile at the end of 1895.
Industrial Revolution, sourced from Wikipedia
The Industrial Revolution was the transition to new manufacturing processes that occurred in the period from about 1760 to some time between 1820 and 1840. This transition included going from hand production methods to machines, new chemical manufacturing and iron production processes, improved efficiency of water power, the increasing use of steam power and development of machine tools. The transition also included the change from wood and other bio-fuels to coal. The Industrial revolution began in Britain and within a few decades spread to Western Europe and the United States.
The Industrial Revolution marks a major turning point in history; almost every aspect of daily life was influenced in some way. Most notably, average income and population began to exhibit unprecedented sustained growth. In the words of Nobel Prize winner Robert E. Lucas, Jr., "For the first time in history, the living standards of the masses of ordinary people have begun to undergo sustained growth ... Nothing remotely like this economic behaviour is mentioned by the classical economists, even as a theoretical possibility."
British Empire, sourced from Wikipedia
The British Empire comprised the dominions, colonies, protectorates, mandates and other territories ruled or administered by the United Kingdom. It originated with the overseas possessions and trading posts established by England between the late 16th and early 18th centuries. At its height, it was the largest empire in history and, for over a century, was the foremost global power. By 1922 the British Empire held sway over about 458 million people, one-fifth of the world's population at the time. The empire covered more than 33,700,000 km2(13,012,000 sq mi), almost a quarter of the Earth's total land area. As a result, its political, legal, linguistic and cultural legacy is widespread. At the peak of its power, the phrase "the empire on which the sun never sets" was often used to describe the British Empire, because its expanse across the globe meant that the sun was always shining on at least one of its territories.
Telegraph, sourced from Wikipedia
An electrical telegraph is a telegraph that uses electrical signals, usually conveyed via telecommunication lines or radio. The electromagnetic telegraph is a device for human-to-human transmission of coded text messages.
The electrical telegraph, or more commonly just 'telegraph', superseded optical semaphore telegraph systems, such as those designed by Claude Chappe for the French military, and Friedrich Clemens Gerke for the Prussian military, thus becoming the first form of electrical telecommunications. In a matter of decades after their creation, electrical telegraph networks permitted people and commerce to almost instantly transmit messages across both continents and oceans, with widespread social and economic impacts.
Phonograph, sourced from Wikipedia
The phonograph, record player, or gramophone (from the Greek: γράμμα, gramma, "letter" and φωνή, phōnē, "voice"), is a device introduced in 1877 for the recording and reproduction of sound recordings. The recordings played on such a device generally consist of wavy lines that are either scratched, engraved, or grooved onto a rotating cylinder or disc. As the cylinder or disc rotates, a stylus or needle traces the wavy lines and vibrates to reproduce the recorded sound waves.
The phonograph was invented in 1877 by Thomas Edison. While other inventors had produced devices that could record sounds, Edison's phonograph was the first to be able to reproduce the recorded sound. His phonograph originally recorded sound onto a tinfoil sheet phonograph cylinder, and could both record and reproduce sounds.
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