Email us for help
Loading...
Premium support
Log Out
Our Terms of Use and Privacy Policy have changed. We think you'll like them better this way.
Radio was first created as a way to send telegraph messages between two people without wires, but soon two-way radio brought voice communication, including Walkie-talkies and eventually mobile phones.
Do you know the difference between AM and FM radio?
Are you familiar with the concept of Modulation?
Get the answers to these questions and learn more about the medium - RADIO
Join Young Media Critics on Tuesday, September 9, 2014 at 5:00 p.m. (EST)