Search results
Results From The WOW.Com Content Network
Ministry of Communications is a Central ministry under the Government of India responsible for telecommunications and postal service. It was carved out of Ministry of Communications and Information Technology on 19 July 2016. It consists of two departments viz. Department of Telecommunications and the Department of Posts .
Snell's law (also known as the Snell–Descartes law, the ibn-Sahl law, [1] and the law of refraction) is a formula used to describe the relationship between the angles of incidence and refraction, when referring to light or other waves passing through a boundary between two different isotropic media, such as water, glass, or air.
La Géométrie. The work was the first to propose the idea of uniting algebra and geometry into a single subject [2] and invented an algebraic geometry called analytic geometry, which involves reducing geometry to a form of arithmetic and algebra and translating geometric shapes into algebraic equations. For its time this was ground-breaking.
About. The two-step flow of communication model hypothesizes that ideas flow from mass media to opinion leaders, and from them to a wider population. It was first introduced by sociologist Paul Lazarsfeld et al. in 1944 [4] and elaborated by Elihu Katz and Lazarsfeld in 1955 [5] and subsequent publications. [6]
Descartes Highlands. Aerial photo of the Descartes Highlands with features and Apollo 16 mission traverses labeled. The Descartes Highlands is an area of lunar highlands located on the near side that served as the landing site of the American Apollo 16 mission in early 1972. The Descartes Highlands is located in the area surrounding Descartes ...
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 ...
Publication. The article was the founding work of the field of information theory. It was later published in 1949 as a book titled The Mathematical Theory of Communication ( ISBN 0-252-72546-8 ), which was published as a paperback in 1963 ( ISBN 0-252-72548-4 ). The book contains an additional article by Warren Weaver, providing an overview of ...
Sea lines of communication (abbreviated as SLOC) is a term describing the primary maritime routes between ports, used for trade, logistics and naval forces. [1] It is generally used in reference to naval operations to ensure that SLOCs are open, or in times of war, to close them. The importance of SLOCs in geopolitics was described in Nicholas ...