If you think of your cell phone as an extension of the radio, you can see the radio as a miracle invention that snowballed into some of the greatest technological gadgets ever created. You take your modern radio everywhere, listen to it while you drive, and even ask it for directions. But in what other ways has the radio helped changed the world of man? You may be surprised.
When radio first came out, it was a brown or black box that people turned on for a few hours at night to hear comical stories and music. It quickly became an advertising medium and was used to sell everything imaginable to the average household. Then one night, millions listened as the world was invaded by aliens – and again, radio changed mankind.
As signals became stronger, the radio evolved into a communication device for ships, planes, …