Radio isn’t out of date, and a lot of people listen to it every day. Marconi, the Italian (71)________ who gave us the radio, probably didn’t invent realize what (72)________ his great invention would have on the world effect in years to come. Radio has, perhaps, had as much influence on the world as any other (73)________ device. Events of universal interest can be communicate reported to the entire globe a few second after they happen, (74)________ explore in remote areas, ships at sea, even astronauts (75)________ the earth are circle able to keep in touch with civilization by means of radio.