Inventionsof people inthe 20 th and 21 stcentury
20th Century Communication - from the Latin . «Communicatio» - which means message transmission and of «communicare» - do general , talk , communicate, communicate , transmit . Communication emerged as an independent object of the social sciences in connection with the development of technical communication , particularly radio in the 20- ies.XX century , and later with the development of technology in general , in particular television, computers , and besides - with the development of big business and the processes of globalization . Development of the theory of communication associated with the development of cybernetics , computer science, semiotics , with the increasing complexity of mathematics and engineering sciences .First Department of Communications was opened about 50 years. US.