WHAT'S INSIDE: PERSONAL AUDIO
- MP3 Players
In 2001, Apple introduced the iPod, an MP3 player with unheard-of storage capacity. Today iPods play songs, movies, photo slideshows and games. See if the iPod Touch, Shuffle or Nano is right for you.
The band that radio stations use is completely arbitrary. Learn how that relates to the specific frequency that FM stations use, and why all the FM radio stations in the United States end in an odd number?