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Propaganda. (book) Propaganda, a book written by Edward Bernays in 1928, incorporated the literature from social science and psychological manipulation into an examination of the techniques of public communication. Bernays wrote the book in response to the success of some of his earlier works such as Crystallizing Public Opinion (1923) and A ...
A glass ceiling is a metaphor usually applied to people of marginalized genders, used to represent an invisible barrier that prevents an oppressed demographic from rising beyond a certain level in a hierarchy. [1]
Free-space optical communication (FSO) is an optical communication technology that uses light propagating in free space to wirelessly transmit data for telecommunications or computer networking. "Free space" means air, outer space, vacuum, or something similar. This contrasts with using solids such as optical fiber cable.
A communications system or communication system is a collection of individual telecommunications networks systems, relay stations, tributary stations, and terminal equipment usually capable of interconnection and interoperation to form an integrated whole. The components of a communications system serve a common purpose, are technically ...
Harold Adams Innis (November 5, 1894 – November 8, 1952) was a professor of political economy at the University of Toronto and the author of seminal works on Canadian economic history and on media and communication theory. He helped develop the staples thesis, which holds that Canada's culture, political history and economy have been ...
The Political Economy of Communications is a branch of communication studies or media studies which studies the power relations that shape the communication of information from the mass media to its public. [1] PEC (Political Economy of Communications) analyzes the power relations between the mass media system, information and communications ...
Optical communication. A naval signal lamp, a form of optical communication that uses shutters and is typically employed with Morse code (2002) Optical communication, also known as optical telecommunication, is communication at a distance using light to carry information. It can be performed visually or by using electronic devices.
The history of communication itself can be traced back since the origin of speech circa 100,000 BCE. [1] The use of technology in communication may be considered since the first use of symbols about 30,000 years BCE. Among the symbols used, there are cave paintings, petroglyphs, pictograms and ideograms. Writing was a major innovation, as well ...