Ages 8 to 14 years. The first successful radio transmission forever changed the way humans communicate, share news, and enjoy entertainment. This comprehensive book combines both the history and technology behind radio through the ages, documenting the earliest experiments with radio waves to the arrival of podcasting. Other topics include: how people communicated information before radio; Reginald Fessenden's first voice transmission; early radio stations and the advent of commercials; ham radio operators; the Golden Age of radio broadcasting; radios in daily life, including shortwave, Citizens Band, satellite, and digital radio.