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