The Way Toys Work: The Science Behind the Magic 8 Ball, Etch A Sketch, Boomerang, and More

A Selection of the Scientific American Book Club

Profiling 50 of the world’s most popular playthings—including their history, trivia, and the technology involved—this guide uncovers the hidden science of toys. Discover how an Etch A Sketch writes on its gray screen, why a boomerang returns after it is thrown, and how an RC car responds to a remote control device. Leaving no detail unrevealed, the guide includes original patent-application blueprints and photos of the “guts” of several device...