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Communication 5
Communication 5

In the physical age, information is transmitted through a combination of natural media such as the body, eyes, gestures, and mountains, rocks, and trees.

Bi Sheng Invents Movable Type Printing (2 sheets)

In the era of spoken language, upright walking has increased human demand for information transmission methods, which has led to the birth of language.

In the era of writing, with the development of productivity, humans have a demand for information recording, which has led to the emergence of writing.

In 1044, Bi Sheng invented movable type printing. In 1450, the Germanic Gutenberg invented metal movable type printing.

In 1837, American Morse invented the telegraph machine.

In 1857, the transatlantic submarine telegraph cable was completed.

In 1875, Bell invented the first telephone in history.

In 1895, both Russian Popov and Italian Marconi successfully developed a radio receiver.

In 1895, the Lumiere brothers of France premiered their first film in Paris.

In 1912, during the sinking of the Titanic, radio saved over 700 lives.

In the 1920s, radio was introduced.

In the 1920s, British man Baird successfully transmitted television footage and was hailed as the inventor of television.

The outbreak of World War II disrupted the television industry, highlighting the low transmission cost and easy reception characteristics of broadcasting, and the audience once again increased.

In the era of online communication in 1955, the United States released the first military electronic computer in order to meet the needs of the war.

In 1962, the United States launched its first communication satellite, ushering in the era of television satellite transmission.

In 1969, the US military established the ARPANET network with the aim of preventing communication interruptions during attacks.

In 1983, the US Department of Defense divided Apanet into military and civilian networks, gradually expanding into today's Internet.

In 1993, the United States announced a plan to build an information superhighway, integrating computer, telephone, and television media.

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