92) The Radio

Radio is the sending and receiving of electromagnetic waves carrying sound messages.
 With the development in technology , Radio has also developed.Radio is known as one of the best ways for communication.It is also a source of entertainment.
One of the uses of radio in earlier days was to pass orders & communications between armies & navies. 

Radio is also used for commercial purposes too like  news, music, dramas, comedies, variety shows and different other forms of entertainment.

Many of the people use radio for listening music to know what are the latest songs and music groups.