The radio today has been transformed into a gadget that gives you music and sometimes a little bit of news. If you talk to your grandparents you will find that the radio was once an essential part of their lives.
Have you ever wondered how the radio came about? Who invented it? Despite highs and lows, the radio is still a low cost medium and a source of information and entertainment that reaches out to a large number of people around the world.
Radio is a medium of communication that allows people to listen to news, music and other forms of entertainment. The sound you hear on your radio sets are signals transmitted through electromagnetic waves in a radio frequency range.
