Most people know what a microwave is, but do we really know what goes on in there? Trace the workings of a microwave from the wall socket to the magnetron tube to a warm meal. See how excited molecules create heat that cooks food, and discover why some foods explode while others don't. And what about aluminum foil - can it go in the microwave? Are microwaves really safe to use? Understand the answers to these questions as well as how to use power levels and other common microwave features.