Have you ever wondered. * How an ATM verifies your identification and account information and dispenses cash in a matter of seconds? * What, if anything, is abl

The founder of HowStuffWorks.com uses objectivity, logic, and critical thinking to explore the question of God’s reality in an honest way. Does God exist? Usi

Have you ever wondered... How many sheets of paper can be produced from a single tree? Why do FM radio stations end in an odd number? What causes a sonic boom?

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 everyda

From the award-winning Web site visited by more than 2.5 million people every month comes the hardcover reference guide How Stuff Works. This book is a definiti