How stuff works

From the award-winning Web site visited by more than 2.5 million people every month comes How Stuff Works, the definitive guide to the inner workings of everyday items. In this fun and infinitely informative guide, Marshall Brain and staff of "stuff" experts at How Stuff Works, Inc. unravel the mysteries of more than 135 intriguing topics. You'll be fascinated by the world around you! In Marshall Brain's trademark easy-to-understand language, complemented by beautiful full-color illustrations, you'll discover the basic mechanisms behind everything from toasters to turbochargers, dieting to…