WHAT'S INSIDE: PERSONAL AUDIO
- MP3 Players
Weird, quirky and even confusing -- that's probably the best way to describe some accessories for the Apple iPod. Can you guess what we rank as most bizarre?
AM radio, FM radio, CB radio, short wave radio, VHF, UHF -- what's it all mean? These are all different chunks of the radio spectrum. Find out all about the thousands of different uses for radio waves.