Overview: Explains the nature and creation of sound, how it travels through air and water.Serves as a field guide to sounds and how to hear them for everyone who enjoys being out and about.Explains how the hear. .This book explains the nature of sound both as a physical phenomenon and as a sensation, how it travels through air and water, and how the hearing system evolved to convert these vibrations into sensations. Drawing on physics, biology, neuroscience, philosophy, literature, history, anecdote, and personal experience, "Now Hear This" is a wide-ranging exploration of the nature of sound
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