Several years ago there weren't any ways to know news of the other countries or the goverment news. the scientist worked hard to find some inventions that help to develop our life and they invented the early radios , which were heavy to lift .Radio started as wireless telegraphy.And it all began with invention of radio waves, which have capacity to send out speech, music, picture and all other data through air. In th 1950, scientists invented transistors , and radios become much smaller and it has a touch screen.Radio now become a popular medium of portable entertainment and we are more able to listen to the new events around the world and learn other countries cultures .
The Italian inventor and physicist, Guglielmo Marconi .His development of a radio telegraph system led to the esbalishment of many associated companies all over the world.