Eventos
Radio waves had been discoveredMarconi sent a wireless dot and dash signal nine miles across England which sparked a revolutionSoon the Coney Island De Forest station sent 500 words to Ireland. The world was realizing soon that De Forest based his invention on someone else'sAt 21 he was put in charge of procuring innovative technology and explained he had an idea. He believed it was feasible to bring music into all American homes. A radio that would cost $75 and more then 100,00 would be sold in a single yeardeforest took Armstrong to court, but then world war 1 intervene.there were 1400 stations radio ate up material faster than it can be produced. Now American never had to feel alone you could be anywhere you want.David Sarnoff helped forge the first radio network he called it NBC “National Broadcasting Company”.1934 he tried to return the medal of honor which the the institute awarded him 16 years earlier the board of directors' and the institute refused to accept it, as people were standing and cheering tears filled Armstrongs eyes his fellow scientist believed he had been robbed.Períodos
An example of a time span
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