Are robots aware they're robots?: World Book answers your questions about technology

How does GPS work? How do mirrors work? How does a light bulb work? We at World Book answer all of your technologyrelated questions-and not only questions about how things work. Answer Me This, World Book answers questions about such topics as oceans, outer space, and animals, too. We help you make sense of the world with informative and funny answers. Well . . . at least we think they are funny.