https://padlet.com/dasmendhardrick/m0txo76sjw9i Made by Dasmend Hardrick en-us 2017-03-07 19:08:27 UTC 2025-05-14 13:56:20 UTC hello@padlet.com dasmendhardrick https://padlet.com/dasmendhardrick/m0txo76sjw9i/wish/158466677 2017-03-07 19:12:25 UTC https://padlet.com/dasmendhardrick/m0txo76sjw9i/wish/158466677 dasmendhardrick https://padlet.com/dasmendhardrick/m0txo76sjw9i/wish/158469890 2017-03-07 19:20:20 UTC https://padlet.com/dasmendhardrick/m0txo76sjw9i/wish/158469890 dasmendhardrick https://padlet.com/dasmendhardrick/m0txo76sjw9i/wish/158471463 Telegraphy requires that the method used for encoding the message be known to both sender and receiver. Such methods are designed according to the limits of the signalling medium used. The use of smoke signals, beacons, reflected light signals, and flag semaphore signals are early examples. In the 19th century, the harnessing of electricity led to the invention of electrical telegraphy. The advent of radio in the early 20th century brought about radiotelegraphy and other forms of wireless telegraphy. In the Internet age, telegraphic means developed greatly in sophistication and ease of use, with natural language interfaces that hide the underlying code, allowing such technologies as electronic mail and instant messaging]]> 2017-03-07 19:24:29 UTC https://padlet.com/dasmendhardrick/m0txo76sjw9i/wish/158471463 dasmendhardrick https://padlet.com/dasmendhardrick/m0txo76sjw9i/wish/158472195 Contrary to the extensive definition used by Chappe, Morse argued that the term telegraph can strictly be applied only to systems that transmit and record messages at a distance. This is to be distinguished from semaphore, which merely transmits messages. Smoke signals, for instance, are to be considered semaphore, not telegraph. According to Morse, telegraph dates only from 1832 when Pavel Schilling invented one of the earliest electrical telegraphs]]> 2017-03-07 19:26:21 UTC https://padlet.com/dasmendhardrick/m0txo76sjw9i/wish/158472195 dasmendhardrick https://padlet.com/dasmendhardrick/m0txo76sjw9i/wish/158764777 2017-03-08 18:24:36 UTC https://padlet.com/dasmendhardrick/m0txo76sjw9i/wish/158764777 dasmendhardrick https://padlet.com/dasmendhardrick/m0txo76sjw9i/wish/158765766 A wire picture or wire photo was a newspaper picture that was sent from a remote location by a facsimile telegraph. A diplomatic telegram, also known as a diplomatic cable, is the term given to a confidential communication between a diplomatic mission and the foreign ministry of its parent country.^[4][5] These continue to be called telegrams or cables regardless of the method used for transmission.]]> 2017-03-08 18:27:17 UTC https://padlet.com/dasmendhardrick/m0txo76sjw9i/wish/158765766 dasmendhardrick https://padlet.com/dasmendhardrick/m0txo76sjw9i/wish/158767738 The creater of the telegraph]]> 2017-03-08 18:32:28 UTC https://padlet.com/dasmendhardrick/m0txo76sjw9i/wish/158767738 dasmendhardrick https://padlet.com/dasmendhardrick/m0txo76sjw9i/wish/158768270 An electrical telegraph was independently developed and patented in the United States in 1837 by Samuel Morse. His assistant, Alfred Vail, developed the Morse code signalling alphabet with Morse]]> 2017-03-08 18:33:39 UTC https://padlet.com/dasmendhardrick/m0txo76sjw9i/wish/158768270 dasmendhardrick https://padlet.com/dasmendhardrick/m0txo76sjw9i/wish/158768548 The Electric Telegraph. ... In collaboration with Gale and Vail, Morse eventually produced a single-circuit telegraph that worked by pushing the operator key down to complete the electric circuit of the battery. This action sent the electric signal across a wire to a receiver at the other end.]]> 2017-03-08 18:34:18 UTC https://padlet.com/dasmendhardrick/m0txo76sjw9i/wish/158768548