-
the prehispanic man is transmitted by means of grunts and sounds
-
Egyptians represent ideas by symbols
-
Romans used torches on a type of optical telegraphic system
-
Communication through written messages led by men on foot
-
Electricity discovery (lightning rod) by Benjamin Franklin in the U.S.
-
Telegrafo first way to communicate electrically
-
Telegraph wiring of the transatlantic telegraph
-
James Clark Maxwell writes the treatise on electromagnetic waves
-
Alexander Graham Bell invents telephony
-
Thomas Edison develops the first carbon phone transmitter
-
Thomas Edison invents Phonograph was one of the earliest ways to listen to music
-
Heinrinch Hertz checks Maxwell's theory
-
Invention of the radio Marconi invents the radio
-
First computer a German called Korand Suze creates the first computer called Z2
-
First artificial satellite the USSR launches the first artificial satellite called Sputnik
-
Birth of the internet The United States gives life to the internet founded by Advanced Research
-
First cell phone with analog technology is created in U.S.
-
The analogue television was turned off to make way for Digital Television in The United States
-
The internet has been developed to make the homeworks easier in the life, also is a tool for communicate between the people. In the actually there are differents types of social networks today.
