-
Heinrich Hertz made it possible for radio waves to exist in nature.
-
Gugliemo Marconi invented Radio while experementing in his parents' attic to transmit Morse code.
-
Marconi set up a link spanning 14 kilometers of The Bristol Channel.After this,Marconi put many demonstrations and gave lectures.
-
Lee Deforest used electromagnetic radiation to AM Radio
-
The day someone could be heard by Radio-equipped ships within heard several miles
-
People were too late to save the titanic because the radio signal.
-
Many attempts for radio at the war started in 1916,but the final situation didn't happen until the 1920's.
-
FM was born
-
Rock n roll was born
-
Russia launched the 1st satellite into orbit,took 96 mins. to circle the earth.
-
Telestar became the first live transatlantic television to transmit live signals
-
Youtube was born
